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Southbend SB1021 User's Manual

1. Rubber blade Uus c seem tiem EE Hardened Steel Tungsten Bad UPPE cesta dU ots een eM ag Cast Iron Dody LOOT CRM TP a Steel lor X Cast Iron Wheel Cover CE BDED saate atu cn dE Niger o aa ats e Uu Cast Aluminum Wheel Cover LOWET e Pre Formed Steel Wheel eirca la NR OT Shielded and Permanently Lubricated RR D Nm m Urethane Other Related Information Wheel Diane er airs cates lacs SEREDER aE ie Kane ssa eae 14 Electric Blade 220V 2 0 PMU Volla ecinan ees eR a a a keane aa eee 220V Other Specifications Comiti O O ene tee ner fete Taiwan 1 perd Number Location ID Label on Upper Wheel Door en 1 Hour Features Allen Bradley Controls Welding Station for Joining Blade Ends Includes Blade Cutter Electric Welder w Clamp Annealer and Grinder Infinitely Variable Cutting Speeds Lower Wheel Cleaning Brush Work Light Chip Blower Rubber Bonded Saw Wheels South Bend Lathe Co Model SB1021 SB1022 SAFETY For Machines Mfg Since 8 09
2. Precision Ground Cast Iron ij Balanced Cast Iron iic X A Rubber Dudes NO i asa cies aa uet ub equis tM MM MI Dd RISE Hardened Steel Tungsten MO UDOT ERR T E E Cast Iron Body LOW OF MERCED Steel SIS Cast Iron Masc Cover Bir eid NR Tt Cast Aluminum Wheel COvor LOWET T m Pre Formed Steel Wheel BearingS suse EI UU Un EU IM T NER Court Japanese NSK Shielded and Permanently Lubricated SUNT Urethane Other Related Information Wheel DiameteT m 14 Electrice Blade Vy Cl d F enda ad enai aiias 220V 2 0 Anneanne Volane sos sso EET 220V Other Specifications Couns OLOT TI ENTRE Taiwan A ar m E 1 Serial Number LOCATON ID Label on Upper Wheel Door
3. TRANSFORMER Model S 034 005 1 Class B Capacity 110VA 1 Ph 50 60Hz Primary Voltage OV 110V 220V D anD 9 ca gt 65 D3 JEDA 15 9 OF 605 sies 9 O3 vs dos 13 69 2 1 HD U E To Welding Unit Control Panel Ground 220 VAC L15 15 PLUG as recommended For Phase Coverter Wild Wire If Used South Bend Lathe Co 47 Model SB1021 SB1022 Ex 5 t n me For Machines Mfg Since 8 09 Electrical Component Pictures Figure 47 Motor Overload Re Figure 48 Control Panel amp Welder s Lamp Figure 50 Electrical Box 48 South Bend Lathe Co For Machines Mfg Since 8 09 PARTS Model SB1021 SB1022 Lower Frame 47 South Bend Lathe Co 49 Model SB1021 SB1022 Lower Frame Parts List REF PART DESCRIPTION REF PART DESCRIPTION 1 LV oO2UM SET SCREW M8 1 25 X 25 PWO3M FLAT WASHER GMM 2 26 3 27 4 28 29 8 50 7 5 52 35 2 56 57 7 56 G 59 6 40 7 1 E a2
4. 24 Blade CEO 24 Blade Break In svedese ee ne ee 24 Blade Speed 25 Chip Inspection 25 Positioning Guide POSE asa 26 Adjusting Blade 26 TINT A AOC Ec 28 blade Welding 28 1 32 Maintenance 1 32 COD E EEE 32 Dressing Grinding Wheel 32 Labi cal OU MR 33 VBE TC 34 Speed Hub Belts assesses 94 Sprocket Drive Belt EUSEB E PUTA 94 Air Pulp ates 34 Dressing Rubber 34 SERVICE 35 Blade Tracking 35 TP ALE Calibration 95 Guide Post Alignment eere 86 Pinion Gear Backlash 0 37 Leadscrew End Play E etat od 37 TROUBLESHOOTING rennen 38 ELECTRIC Dn 42 Electrical Safety Instructions 42 Wiring 48 SB1021 2 Control Panel amp Welding Unit 44 SB1021 110V Electrical Panel Motor amp Cord 45 SB1021 220V Electrical Panel Moto
5. M a J MODEL SB1021 SINGLE PHASE MODEL SB1022 THREE PHASE x OWNER S MANUAL South Bend Lathe Co Hundreds of Thousands of Lathes Sold With a Tradition of Quality Since 1906 Copyright August 2009 For Machines Mfg Since 8 09 Scope of Manual This manual helps the reader understand the machine how to prepare it for operation how to control it during operation and how to keep it in good working condition We assume the reader has a basic understanding of how to operate this type of machine but that the reader 1s not familiar with the controls and adjustments of this specific model As with all machinery of this nature learning the nuances of operation is a process that happens through training and experience If you are not an experienced operator of this type of machinery read through this entire manual then learn more from an experienced operator schooling or research before attempting operations Following this advice will help you avoid serious personal injury and get the best results from your work Manual Feedback We ve made every effort to be accurate when documenting this machine However errors sometimes happen or the machine design changes after the documentation process so the manual may not exactly match your machine If a difference between the manual and machine leaves you in doubt contact our customer service for clarification We highly value customer feedback on our manuals I
6. eee 11 Things You ll Need sss sss 11 11 Cleaning amp Protecting eere 12 LOCA RETE UT Um m 13 14 Leveling amp Mounting eere 14 14 Bolting to Concrete 1 15 Machine MountS s sese 15 E e SUI 15 Ihitial 1 15 Inspections amp Adjustments 15 Power ConneebIOBou ncs teres tta Pd rS v S Eas 16 220V Conversion for 1021 16 SB1021 110V Prewired Power Source 16 SB1021 220V Power Source 16 SB1022 220V 3 Phase Power Source 16 MRCS I ER TU UM 17 OPERATION dide dle n Co Fi igna 18 Operation 1 18 Controls secari ER Sa es 19 Blade Selection sess 20 Blade F Cri 0 00 Y Ls osos 20 Blade IRSE UTE 20 Blade Width esis 20 CU NT 21 21 Blade Pitch TPD 22 Blade r 28 Blade Tensioning sass 23 Blade Breaka E advert i ne 24 Blade Care amp Break In
7. lu COT QT TT 1 Hour Features Allen Bradley Controls Welding Station for Joining Blade Ends Includes Blade Cutter Electric Welder w Clamp Annealer and Grinder Infinitely Variable Cutting Speeds Lower Wheel Cleaning Brush Work Light Chip Blower Rubber Bonded Saw Wheels South Bend Lathe Co 5 Model SB1021 SB1022 INTRODUCTION For Machines Mfg Since 8 09 Machine Specifications P O Box 2027 Bellingham WA 98227 U S A PHONE 360 734 1540 South Bend Lathe Co www southbendlathe com Model SB1022 14 Variable Speed Vertical Metal Cutting Bandsaw Product Dimensions NG A E cucu 697 lbs Length IgE PETS DE o 22 x 36 x 67 Foot Print Lengeth Width TRITT m 16 x 31 Shipping Dimensions buo Wood Bn ECT Machine bold EET T 926 lbs OR e ner ene T nanan TEN MEUM OE ME 77 x 42 x 29 Electrical Required Power deeasbanssiebowsaousteatesees 220V 3 Phase SILC N DS D E ET Magnetic Contactor with Thermal Overload Relay SAE RTT TET
8. GD 0 6A E M 3450 RPM e n 60 Hz Number Of Speeds 1 Power A SO Be cesena ani rr a N Er EAA E Direct Drive DEAT aE E E Sealed and Lubricated South Bend Lathe Co For Machines Mfg Since 8 09 INTRODUCTION Model SB1021 SB1022 Main Specifications Operation Information Number of Blade Speedo T TOT TURNS ET Variable Blade Speed B Ong 88 884 FPM Blade Size Hague enema Vg v9 Blade Length Range siiwsesscsssesicnesscencossenesnssacahenesedeonseeesdeseieuasdsesdesenaesesaecevevencbevannanassesnpesvaneoedenvensesadeosecseoes 118 119 Cutting Capacity Maximum 0 1G i e T Cutting Capacity Lem or Blade us iot nube eere ib aE 14 Table Information EI bli AME Tr o 15 Left Right 10 Forward Back ms 22Vs W x 19 L x 1 Thick Floor to Table PISIS soci oe xe des wo 3914 Construction DLE E EM M DUI MEME PUN Precision Ground Cast Iron WY BCS Bs NN T eeee Balanced Cast Iron WEES EPEA
9. Standard or Raker Variable Pitch VP Variable Pitch Positive Rake Hook or Claw Skip or Skip Tooth Figure 12 Bandsaw blade tooth types Variable Pitch VP Varying gullet depth and tooth spacing a 0 rake angle excellent chip removing capacity and smooth cutting Variable Pitch with Positive Rake Varying gullet depth and tooth spacing a positive rake angle better chip formation and aggressive cutting Hook or Claw Wide gullets round or flat equally spaced teeth positive rake angle and fast cut with good surface finish Skip or Skip Tooth Wide flat gullets a 0 rake angle equally spaced teeth and recommended for non ferrous materials South Bend Lathe Co 21 Model SB1021 SB1022 OPERATION For Machines Mfg Since 8 09 Blade Pitch TPD 3 Refer to the Material Shapes row and find The chart below is a basic starting point for the shape of the material to be cut choosing teeth per inch TPI for variable pitch blades and standard raker set bi metal blades HSS blades However for exact specifications of bandsaw blades that are correct for your operation contact the blade manufacturer 4 Inthe applicable row read across to the right and find the box where the row and column intersect Listed in the box is the minimum TPI recommended for the variable tooth pitch blades TO SE E Dade pie 5 The Cutting Speed Rate Recommendation section of the chart offers guideline
10. 45 22 46 22 7 24 48 50 South Bend Lathe Co Model SB1021 SB1022 For Machines Mfg Since 8 09 Drive System 106 105 SB1021 Only 154 4 2 105 174 Wo 179 173 0 0 0 0 0 1e 2 4 D a4 15 186 S3 X OO N X 182 178 f 170 166 A E 168 1625 165b 151 P 51 South Bend Lathe Co Hj p eo O E D Un 09 on Qo Model SB1021 SB1022 Drive System Parts List REF PART DESCRIPTION REF PART 100 PSB1021100 GREASE FITTING 159 05 4 00 45 07 uc 08 46 o 50 12 52 53 na 54 5 55 ne 56 57 E 58 19 59 20 i 2 6 22 i 25 i 24 i 125 6 126 6 27 6 128 6 29 6 150 7 E 7 152 7 28 7 154 7 2 7 EIE 7 EIE 7 ZE 7 EE 7 EE E EE 8 EE 8 ZE 8 155 8 156 8 157 8 158 E 52 South Bend Lathe Co DESCRIPTION FCAFO4M CAP SCREW M1O 1 5 X 55 For Machines Mfg Since 8 09 PARTS Model SB1021 SB1022 Upper Frame 205 252 EM 275 274 C 269 South Bend Lathe Co 53 Model SB1021 SB1022 Upper Frame Parts List REF PART DESCRIPTION REF PART 201 PWO3M FLAT WASHER GMM 244 561021244 202 225 208 246 204 247 206 248 207 249 208 250 209 25 20 25 21 25 22 25 215 25 za 25 26 25 27 25 28 25 20 26 220 26 22 262 222 262 225 2
11. Adjust the blade tracking back to normal South Bend Lathe Co For Machines Mfg Since 8 09 Symptom Blade dulls prematurely or metal sticking to the blade Loud repetitious noise coming from machine Ticking sound when the saw is running Blade wears on one side or shows overheating Vibration when operating or cutting Possible Cause Blade is improperly broken in The blade gullets are loading up with chips The blade TPI is too fine for the thick workpiece and the teeth load up and overheat The workpiece has hard spots welds or scale Pulley set screws or keys are missing or loose Motor fan is hitting the cover V belts are defective Blade weld contacting blade guides Blade weld may be failing The blade guides are worn or mis adjusted The blade support is inadequate Wheels are not coplanar Dull or incorrect blade Blade is bell mouthed Loose or damaged blade Worn wheel bearing Wheels are not coplanar Wheel tires worn or incorrectly installed Bent or dull blade Wheels out of balance Loose machine component Belt has a high spot Bandsaw blade wheel 1s bent or out of balance TROUBLESHOOTING Model SB1021 SB1022 Possible Solution Replace blade and complete blade break in procedure Use a blade that has larger gullets to carry out material Use a coarser tooth blade adjust feed rate adjust blade speed make sure the brush
12. put ENTS MAINTENANCE OR SERVICE REF PART DESCRIPTION REF PART DESCRIPTION OOO PSB1021600 MACHINE ID LABEL 561021 606 PSB1021606 SPEED CHANGE NOTICE LABEL 600 507 606 502 609 605 06 604 ai 200 ai AWARNING The safety labels provided with your machine are used to make the operator aware of the machine hazards and ways to prevent injury The owner of this machine MUST maintain the original location and readability of these safety labels If any label is removed or becomes unreadable REPLACE that label before using the machine again Contact South Bend Lathe Co at 360 734 1540 or www southbendlathe com to order new labels 60 South Bend Lathe Co WARRANTY Warranty This quality product is warranted by South Bend Lathe Company to the original buyer for one year from the date of purchase This warranty does not apply to consumable parts or defects due to any kind of misuse abuse negligence accidents repairs alterations or lack of maintenance We do not reimburse for third party repairs In no event shall we be liable for death injuries to persons or property or for incidental contingent special or consequential damages arising from the use of our products We do not warrant or represent that this machine complies with the provisions of any law act code regulation or standard of any domestic or foreign government industry or authority In no event shall South Bend s liability under
13. E ITT 1 A a Figure 30 Blade welded joint examples If the weld is satisfactory continue to Step 12 If the weld is NOT satisfactory begin again at Step 2 AWA H N 12 Place the blade in the welding clamps with Light generated during the welding process the weld centered between the clamps and could cause serious eye damage To reduce re tighten the lock levers your risk always use eye protection approved for welding when using the blade welder Note The welding operation leaves the blade joint brittle Annealing allows the material A CAUTION to cool in gradual manner giving the weld Burning sparks may be thrown in all Figure 29 Blade ends in correct position for welding strength and flexibility When annealing the blade is heated until it turns a specific color that is determined by the blade material The annealing process is unsuccessful blade breaks easily if the weld is not heated enough or if it is heated too much For best results contact the blade manufacturer for the proper annealing color directions while welding Protect yourself from injury by not welding near flammables and wearing spark resistant clothing gloves Keep fire extinguishing equipment readily available 9 Press and release the welding button The blade ends will be welded together 10 Rotate the lock levers down to release the welding clamps then rotate the clamping pressu
14. Figure 21 Blade guide assembly upper assembly shown without blade for clarity South Bend Lathe Co OPERATION Model SB1021 SB1022 Note The blade guides must be adjusted far enough back so that they are behind the tooth gullets when the blade is deflected back against the blade support 7 Usea 3mm hex wrench to loosen the button head cap screws that secure the upper blade guard to allow access to the blade support cap screw in the next step 8 Usea 5mm hex wrench to loosen the blade guide cap screws see Figure 21 9 Fold a crisp dollar bill in half and place it over the blade between the blade guides and the blade as shown in Figure 22 Figure 22 Using a dollar bill to set blade guide spacing blade guide cover removed for clarity 10 Lightly pinch the dollar bill against the blade with the blade guides re position the air nozzle 1f necessary then re tighten the blade guide cap screws Note The goal is to position the blade guides as close as possible to the blade without touching it 11 Secure the upper blade guide then re install the lower blade guard cover 97 Model SB1021 SB1022 Tilting Table The bandsaw table tilts 15 to the left and 15 to the right for basic cut angles and 10 to the front and 10 to the back for feed angles When used together compound angled cuts can be made To tilt the table left or right 1 DISCONNECT BANDSAW FROM POWER 2 Use an 8m
15. Understanding Risks of Machinery Operating all machinery and machining equipment can be dangerous or relatively safe depending on how it is installed and maintained and the operator s experience common sense risk awareness working conditions and use of personal protective equipment safety glasses respirators etc The owner of this machinery or equipment is ultimately responsible for its safe use This responsibility includes proper installation in a safe environment personnel training and usage authorization regular inspection and maintenance manual availability and comprehension application of safety devices integrity of cutting tools or accessories and the usage of approved personal protective equipment by all operators and bystanders The manufacturer of this machinery or equipment will not be held liable for injury or property damage from negligence improper training machine modifications or misuse Failure to read understand and follow the manual and safety labels may result in serious personal injury including amputation broken bones electrocution or death The signals used in this manual to identify hazard levels are defined as follows A A Death or catastrophic A U TI O Moderate injury or fire harm WILL occur MAY occur AW A H N l N G Death or catastrophic N TI C E Machine or property harm COULD occur damage may occur Machine Safety Owner s Manual All machinery and 3 Tr
16. Blade installed backwards Dull blade missing teeth Blade too wide for size of radius being cut The blade speed is wrong The blade tracking is wrong For Machines Mfg Since 8 09 Possible Solution Reduce feed rate or increase blade speed Tighten V belts Replace V belts Install a blade with more suitable TPI or different style of teeth Replace blade adjust guides and tracking Replace blade Use a blade with at least 2 teeth contacting the material at all times Clean wheels and increase blade tension Use applicable cutting fluid Replace the run capacitor Reduce feed rate or decrease blade TPI Adjust blade tracking Install new blade and regularly remove tension from blade when not in use Replace blade re secure the workpiece from shifting Replace or dress rubber tires Adjust wheels so they are parallel and aligned Increase blade tension Adjust blade guides Install correct blade for machine Tighten the blade guide as close to the workpiece as possible Clean wheel tires Swap two power incoming power leads see Page 47 Decrease the feed rate Feed workpiece straight into the blade Install a blade with more suitable TPI or different style of teeth Check blade rotation as described in test and reverse blade if necessary Replace blade Install a smaller width blade or increase blade tension Adjust feed rate and cutting speed as required
17. V4 between the bottom of the assembly and the workpiece Note The blade guide assembly can be lowered to within 2 2 of the table surface e Using a blade with a lumpy or improperly finished braze or weld e Continuously running the bandsaw when not in use e Leaving the blade tensioned when not in use e Using the wrong blade pitch TPI for the workpiece thickness The general rule of thumb is to have no fewer than two teeth in contact with the workpiece at all times during cutting 22 A OPERATION For Machines Mfg Since 8 09 Blade Care amp Break In Blade Care A bandsaw blade is a delicate piece of steel that is subjected to tremendous strain A bandsaw blade will last longer if you give it fair treatment and always use the appropriate feed rate for your operation Be sure to select blades with the proper width set type and pitch for each application The wrong blade will produce unnecessary heat and have a shortened life A clean blade will perform much better than a dirty blade Dirty or gummed up blades pass through the cutting material with much more resistance than clean blades This extra resistance also causes unnecessary heat Blade Break In The tips and edges of a new blade are extremely sharp Cutting at too fast of a feed rate can fracture these tips and edges causing the blade to quickly become dull Properly breaking in a blade allows these sharp edges to wear properly without frac
18. Extension Cords Using an incorrectly sized extension cord may decrease the life of electrical components on your machine Note About 3 Phase Power SB1022 Only DO NOT use a static phase converter to create 3 phase power it can quickly decrease the life of electrical components on your machine If you must use a phase converter only use a rotary phase converter and connect the wild wire to the correct power connection terminal shown in the wiring diagram on Page 47 220V Conversion for SB1021 Wiring diagrams are provided on Pages 44 and 46 in this manual showing the Model SB1021 wired for both 110V and 220V Refer to these diagrams when following this procedure To convert the Model SB1021 to operate on 220V 1 DISCONNECT BANDSAW FROM POWER 2 Rewire the motor for 220V as shown in the diagram on the inside of the motor junction box If there is not a diagram in the junction box use the motor wiring diagram in this manual see Page 46 AG PREPARATION For Machines Mfg Since 8 09 3 Locate the power transformer in the electrical panel see Page 48 Figure 50 and remove the wire attached to the 110V terminal and connect it to the 220V terminal 4 Turn the dial on the overload relay see Page 48 Figure 50 from 14A for 110V to for 220V 5 Locate the welding transformer in the control panel see Page 48 Figure 49 Remove the wire connected to the 2 terminal and move it to the 5 terminal remo
19. Lathe Co For Machines Mfg Since 8 09 OPERATION Model SB1021 SB1022 Note Excessive blade contact with the wheel Blade Cha nges flange during operation could lead to blade AWAR NING and wheel damage Always disconnect power to the machine when changing blades Failure to do this may result in serious personal injury 6 Re tension the blade refer to the following Blade Tensioning section 1 Rotate the top wheel clockwise by hand several times to make sure the blade tracks evenly without wandering across the wheel surface A CAUTI O N Note If the blade wanders across the wheel All saw blades are and away from the flange the wheel dangerous and may cause alignment may need to be adjusted Refer personal injury To reduce to Blade Tracking on Page 35 for detailed the risk of being injured instructions wear leather gloves when handling saw blades 8 Adjust the upper and lower blade guides refer to Adjusting Blade Guides on To replace the blade Page 26 1 DISCONNECT BANDSAW FROM POWER 9 Close and secure the upper and lower wheel doors 2 Openthe upper and lower wheel doors release tension on the blade and move the blade guides away from the blade B a d e Ten amp on n 3 Puton heavy gloves then slide the blade off the upper and lower wheels around the N E To prolong blade life release the tension blade post and through the table slit on the blade 1f the ma
20. T8 T4 Tila T5 110 VAC L MOTOR 5 15 PLUG 110V Prewired South Bend Lathe Co 45 Model SB1021 SB1022 ELECTRICAL For Machines Mfg Since 8 09 SB1021 220V Electrical Panel Motor amp Cord 3 ELECTRICAL PANEL A 1 TRANSFORMER Capacity 1 vn n 50 60Hz 3 Primary Voltage KD 2 OV 110V 220V Gn ae 1 Model S 034 005 1 c 18 inl O 19 clv 116 U W X 69 T e U W 5 GND Gn I Is E SS 6 3t T To Welding Unit Control Panel 4 EE 2 2 Ground Bk Wt Hot Neutral 1 amp Indicates areas requiring 220 VAC MOTOR changes when 6 15 PLUG 220V converting to Prewired 220V BE ai 46 South Bend Lathe Co For Machines Mfg Since 8 09 ELECTRICAL Model SB1021 SB1022 SB1022 220V Electrical Panel Motor amp Cord 3 ELECTRICAL PANEL
21. amp Thin Chip Color Silver Brown or Blue Brown or Blue Silver or Light Brown Blade Speed Figure 16 Chip inspection chart Feed Pressure Good Decrease Decrease Decrease Slightly South Bend Lathe Co Other Actions Check Blade Pitch Check Blade Pitch Check Blade Pitch 95 Model SB1021 SB1022 Positioning Guide Post The guide post assembly is used for two purposes 1 To properly position the blade guard to protect the operator from the exposed blade between the workpiece and the upper wheel housing and 2 to position the upper blade guides close to the workpiece for maximum blade support To properly position the guide post 1 DISCONNECT BANDSAW FROM POWER 2 Hold the guide post knob with one hand and loosen the guide post lock knob with the other Figure 17 Guide Post Knob T a Guide Post Figure 17 Guide post assembly 3 Position the bottom of the upper blade guides approximately above the workpiece then re tighten the lock knob to secure the A CAUTION All saw blades are dangerous and may cause personal injury To reduce the risk of being injured wear leather gloves when handling saw blades 96 OPERATION For Machines Mfg Since 8 09 Adjusting Blade Guides The blade guides provide side to side and rear support to keep the blade straight while cutting The blade guides and the rear support have tungsten s
22. belts if possible 7 Replace worn pulley key and shaft and realign 8 Adjust replace centrifugal switch 9 Replace motor bearings or replace motor 10 Connect wild wire to correct leg must avoid transformer or sensitive electronics South Bend Lathe Co For Machines Mfg Since 8 09 Symptom Possible Cause Machine stalls or slows when operating Too much pressure when feeding workpiece Motor is wired out of phase SB1022 only Workpiece is warped and binding blade Blade is not correct for material being cut Belt s slipping Motor overheated Run capacitor at fault SB1021 only Pulley or sprocket slipping on shaft Motor connection wired incorrectly Contactor has poor contacts Centrifugal switch at fault SB1021 only Motor at fault Handwheel has excessive backlash endplay binds or 18 difficult to move 1 Leadscrew is dirty or lacks proper lubrication 2 Pinion gears out of adjustment 3 Bearing or leadscrew collar is worn or loose 4 Linkage bolts pins and holes are loose or worn 5 Leadscrew or leadscrew nut worn 1 Pointer or scale not calibrated or loose table Cuts are not square or the intended angle is incorrect 2 Table guide post is loose or out of alignment TROUBLESHOOTING Model SB1021 SB1022 Possible Solution Reduce pressure when feeding workpiece Swap two power incoming power leads see Page 47 Fabricate a
23. glare or strobe effects that may distract or impede the operator must be eliminated PREPARATION Model SB1021 SB1022 Weight Load Refer to the Machine Specifications for the weight of your machine Make sure that the surface upon which the machine is placed will bear the weight of the machine additional equipment that may be installed on the machine and the heaviest workpiece that will be used Additionally consider the weight of the operator and any dynamic loading that may occur when operating the machine Space Allocation Consider the largest size of workpiece that will be processed through this machine and provide enough space around the machine for adequate operator material handling or the installation of auxiliary equipment With permanent installations leave enough space around the machine to open or remove doors covers as required by the maintenance and service described in this manual A CAUTION Children or untrained people may be seriously injured by this machine Only install in an access restricted location Power connection 4 IN O Q 37 Figure 1 Clearances South Bend Lathe Co 13 Model SB1021 SB1022 PREPARATION For Machines Mfg Since 8 09 Lifting amp Moving Leveling amp Mounting Generally you can either bolt your machine AWA N G to the floor or mount 1t on machine mounts This machine and its Although not required we recommend
24. hex wrench to loosen both pinion gear locking set screws Figure 44 just enough to adjust the pinion gears Gears Figure 44 Location of pinion gears 3 Slide the pinions closer together and tighten the set screws If excess backlash still exists refer to the Leadscrew End Play section then proceed to Step 4 Note Make sure that the set screws remain aligned with the flats on the shaft If one or both setscrews do not return to their original depth in the pinion gear after tightening the alignment has probably been lost and needs to be corrected 4 Clean and grease the pinion gears and the leadscrew then reinstall the access panel South Bend Lathe Co Leadscrew End Play If you notice that the leadscrew has end play and the variable speed handwheel has excess backlash after the pinion gear lash has been set you can adjust the lead screw collars as an additional measure to reduce the backlash To adjust the lead screw collars to reduce backlash 1 DISCONNECT BANDSAW FROM POWER 2 Remove the rear lower access panel and use a 4mm hex wrench to loosen both collar locking set screws just enough to adjust the collars Figure 45 Figure 45 Leadscrew adjustment locations 3 Slide the right hand leadscrew collar against the support boss and tighten the set screws If excess backlash still exists at the handwheel you may have to readjust the pinion gear lash replace the leadscrew half n
25. is working Replace the blade with a special blade for cutting hardened materials Inspect keys and set screws Replace or tighten if necessary Adjust fan cover mounting position tighten fan or shim fan cover Replace V belts Grind blade weld down smaller Cut and reweld the blade or replace the blade Re adjust or replace the blade guides Tighten the blade guide as close to the workpiece as possible Adjust wheels so they are parallel and aligned Replace blade Install new blade Tighten or replace blade Check replace wheel bearing Adjust wheels so they are parallel and aligned Replace or dress rubber tires Replace blade Replace wheels Tighten loose component Replace adjust the V belt Check and replace for bad wheel or bearing South Bend Lathe Co 41 Model SB1021 SB1022 ELECTRICAL For Machines Mfg Since 8 09 Electrical Safety Instructions These pages are accurate at the time of printing In the constant effort to improve however we may make changes to the electrical systems of future machines Study this section carefully If you see differences between your machine and what is shown in this section call Technical Support at 360 734 1540 for assistance BEFORE making any changes to the wiring on your machine 1 E E Shock Hazard It is extremely dangerous to perform electrical or wiring tasks while the machine is connected to the power source Touching electrified p
26. lubrication Figure 35 System lubrication points South Bend Lathe Co 33 Model SB1021 SB1022 ES n N E For Machines Mfg Since 8 09 V Belts To ensure optimum power transfer from the motor to the blade the V belts must be in good condition and operate under proper tension Check V belt tension at least every three months more often if the bandsaw is used daily V belts stretch with use and must be periodically re tensioned Replace the V belts if they are cracked frayed or badly worn Refer to Figure 38 to identify V belt locations Eeft might Speed Pulley4Belts Figure 38 System belt and pulley layout To check tension replace the V belts 1 DISCONNECT BANDSAW FROM POWER 2 Remove the rear motor access panel 3 Push the center of each V belt with moderate force When tensioned correctly there should be approximately 74e of deflection DO NOT overtighten the belts or the bearings will wear prematurely Speed Hub Belts Rotate the speed handle left or right until the belts are loose Roll the belts off the pulleys to replace them If you get them mixed up when replacing the belt on the left 1s the larger of the two 34 Note When the machine 15 started the belts will automatically adjust to the correct tension Sprocket Drive Belt Use a 17mm wrench and loosen the tensioner hex bolt Next use a 6mm hex wrench to loosen the three intermediate pulley retain
27. near moving blades We also equipped this bandsaw with variable speed so you can precisely control cutting results for the type of blade installed and type of material being cut This is a great feature to have when doing precision cutting Aside from features we designed this machine to be extremely solid and durable We used heavy gauge steel for the wheel doors ridiculously thick table trunnions and frame castings USA made Allen Bradley electronics and Japanese made NSK ball bearings 2 South Bend Lathe Co For Machines Mfg Since 8 09 INTRODUCTION Model SB1021 SB1022 Identification Blade Tension Handwheel Operation Guide Post Controls Elevation Knob Electrical Control Box Welding Blade Shear mm Grinder E Table Trunnions Variable Speed Handwheel Re Front View o f Rear View AWARNING AWARNING Serious personal injury could occur if Untrained users have an increased risk you connect the machine to power before of seriously injuring themselves with this completing the setup process DO NOT machine Do not operate this machine until connect power until instructed to do so later you have understood this entire manual and in this manual received proper training South Bend Lathe Co 3 Model SB1021 SB1022 INTRODUCTION For Machines Mfg Since 8 09 Machine Specifications P O Box 2027 Bellingham WA 98227 U S A PHONE 360 734 1540 South Bend Lathe Co www so
28. switch 2 Replace transformer 1 Use welder as outlined in operations section and practice on scrap blades see Page 28 2 Repair wiring or replace welding switch 3 Replace welder transformer South Bend Lathe Co 39 Model SB1021 SB1022 Symptom Machine or blade bogs down in the cut Blade tracks incorrectly or comes off wheels The cut is crooked the blade wanders slow cuts or shows overheating on one side of the cut or the blade 40 TROUBLESHOOTING Possible Cause Excessive load on the blade V belts loose belt squeals at times V belts worn and slips Blade is loading up Blade is dull wanders and gets pinched in the cut Blade is dull The blade TPI is too coarse for the thin workpiece Blade is loose Material requires cutting fluid The run capacitor is at fault SB1021 only Feed rate is too fast Blade is not tracking correctly Blade is bell mouthed Blade is dull wanders and gets pinched in the cut Rubber tire on wheel is damaged glazed or worn Wheels are not coplanar Blade tension is too loose Blade guides need adjustment Incorrect blade for bandsaw The blade has insufficient support Wheel tires are loaded with metal shavings Blade spinning backwards due to machine being wired out of phase SB1022 only The feed pressure is too high Too much side pressure when feeding workpiece Blade is loading up
29. that you parts are heavy Serious secure the machine to the floor and level it while personal injury may occur doing so Because this is an optional step and if safe moving methods are floor materials may vary hardware for securing not used To reduce the the machine to the floor is not included risk of a lifting or dropping injury ask others for help and use power equipment NOTICE We strongly recommend securing your machine to the floor if it is hardwired to the Use a forklift to lift the machine off the pallet power source Consult with your electrician to and onto a suitable location using the lifting eye ensure compliance with local codes shown in Figure 2 Leveling Leveling machinery helps precision components such as bed ways remain straight and flat during the lifespan of the machine Components on an unleveled machine may slowly twist due to the dynamic loads placed on the machine during operation For best results use a precision level that is at least 12 long and sensitive enough to show a distinct movement when a 0 003 shim approximately the thickness of one sheet of standard newspaper is placed under one end of the level Figure 2 Lifting location See the figure below for an example of a high precision level Figure 3 Example of a precision level 14 South Bend Lathe Co For Machines Mfg Since 8 09 Bolting to Concrete Floors Lag screws and anchors or anchor studs bel
30. the blade is moving downward toward the table If so the motor is running in the correct direction Proceed to Step 7 e Ifthe blade is moving in the upward direction out of the table stop the machine immediately It is likely wired out of phase To correct this problem disconnect the machine from the power source and switch any two incoming power wires at the main terminal block refer to Figure 50 on Page 48 Adjust the blade speed through the full range of operation The speed should change as you make the adjustments Press the STOP button the green motor light will go out and the bandsaw will stop Turn the work lamp and the welding lamp ON and OFF Turn the grinder ON and OFF 17 Model SB1021 SB1022 Operation Overview The purpose of the operation section 1s to familiarize you with the basic controls terminology capabilities and adjustments that are necessary to use this machine To better understand the remaining parts of this section please take a moment to read this overview AWARNING To reduce the risk of serious injury when using this machine read and understand this entire manual before beginning any operations To complete a typical operation the operator does the following 1 Examines the workpiece to make sure it is suitable for cutting 2 Checks to make sure blade tension is correct and the blade guides are positioned correctly 3 Marks the cut line on the wo
31. weld Test the strength and flexibility of the weld by bending the blade in an arc similar to that of the bandsaw wheels The blade should bend in a smooth circular rounded shape rather than a pointed fold see Figure 31 Correct Not Correct Cut and reweld Figure 31 Correct blade weld bend for strength and flexibility 31 Model SB1021 SB1022 ES n IN For Machines Mfg Since 8 09 Maintenance Schedule AWARNING Always disconnect machine from power before performing maintenance or serious personal injury may result For optimum performance from your machine follow this maintenance schedule and refer to any specific instructions given in this section Daily e Check correct loose mounting bolts Check correct damaged or dull saw blade Check correct worn or damaged wires Clean protect table Clean metal chips from upper and lower wheel areas and empty the chip chute e Correct any other unsafe condition Monthly e Check for V belt tension damage or wear e Lubricate tension leadscrews and guide post rack e Remove the blade and clean the wheels Yearly e Open rear lower cover inspect belts and tighten all fasteners see Page 34 Cleaning Use a brush and a shop vacuum to remove chips and other debris from the machine Keep the table rust free with regular applications of a high quality anti rust product Once a month remove the blade and thoroughly clea
32. 0v SB1022 57 Model SB1021 SB1022 i oO gt z dz TN Be Welder amp Control Panel 996 A zog 8 OG GEG ECG a PA veo E Uoc v9G Da coc i wD gS amp UIK y 7 J LO Q AX Ly h ZA 7 j 77 Q S 4 T 4 _ Zi Td 2 O AQ ES a 9 D 009 30G LLG Ole 60G 6 P 4f 0 BIN LOG PO Pa e Q 9 47 AS at bs Oy o OG S ig GOG OG 9 COG South Bend Lathe Co 58 Model SB1021 SB1022 For Machines Mfg Since 8 09 Welder amp Control Panel Breakdown REF PART DESCRIPTION REF PART DOO PSB1021500 CAM 5355 P5B10219035 50 556 502 557 505 545 504 Zr 505 545 506 547 507 2 508 549 509 560 50 555 zi 554 Bu 555 5 566 54 567 516 566 516 559 57 500 516 56 519 562 520 565 52 564 522 565 525 56 524 567 525 569 526 570 527 57 528 572 529 575 550 574 53 575 552 576 555 577 554 58 DESCRIPTION TOGGLE SWITCH South Bend Lathe Co 59 Model SB1021 SB1022 PARTS For Machines Mfg Since 8 09 Machine Labels 600 MODEL 5810232 Awan Only change speeds when the machine is running
33. 64 224 265 225 266 226 267 227 268 228 269 229 270 230 27 25 272 252 273 255 274 254 275 255 276 256 277 257 278 258 279 259 280 240 281 242 282 243 283 54 South Bend Lathe Co OO OPIOID DESCRIPTION For Machines Mfg Since 8 09 Model SB1021 SB1022 Table amp Tensioning System South Bend Lathe Co 55 Model SB1021 SB1022 For Machines Mfg Since 8 09 Table amp Tensioning System Parts List 1 50 50 50 50 50 50 50 50 50 50 PART OAT 5 QO o O 51 2 Ol DESCRIPTION PS5B1021300 TABLE 52 52 52 52 53 53 53 53 53 53 54 316 Z 57 Z 316 Z PART PR26M RE O2 TH Or B O ro SI olo SINIO DESCRIPTION INT RETAINING RING 52MM 320 546 521 547 522 348 525 549 524 360 56 South Bend Lathe Co Model SB1021 SB1022 For Machines Mfg Since 8 09 Electrical Cabinet REF 400 401 401 402 405 404 40D 406 407 408 409 410 400 PART DESCRIPTION P5B1021400 DOOR South Bend Lathe Co REF 411 412 415 414 415 416 417 416 419 420 420 PART DESCRIPTION Fop1021411 HINGE FIN 507 PHLP HD SCR M4 7 X amp 5 1021415 WIKE LOOM FOPIO21419 WIKE LOOM PSB1021420 AB 100 C16 400 110V 551021 561022420 CONT AB 100 CO9 400 11
34. DSAW FROM POWER 2 Make sure the blade tracking and tension are set correctly 3 Using a 6mm hex wrench loosen the trunnion cap screws Figure 40 Trunnion Screws v N Cut Angle Scale Feed Angle Scale Figure 40 Location of table scales 4 Place a machinist s square on the table and against the side of the blade as shown in Figure 41 Machinlst s Square Figure 41 Checking that table is perpendicular to blade Model SB1021 SB1022 SERVICE For Machines Mfg Since 8 09 5 Tilt the table until the blade and table top are perpendicular then tighten the trunnion cap screws 6 Loosen the scale pointer for the cut angle scale on the trunnion and point 1t to zero 7 Loosen the feed angle cap screw and place the machinist s square against the back of the blade 8 Position the table perpendicular to the blade 9 Tighten the feed angle cap screws 10 Loosen the pointer for the feed angle scale and point it to zero The table and blade are now calibrated Guide Post Alignment If the blade guide post does not raise and lower exactly parallel with the blade the clearances between the blade guides and blade will change as the guide post 1s moved causing rubbing wear and blade deflection Blade guide clearance must stay the same when the guide post is raised and lowered along its full length of travel To align the guide post 1 DISCONNECT BANDSAW FROM POWER 2 Make s
35. E E M 220V rege bore MIRA Recommended Cord 16 Gauge 4 Wire 300VAC Recommended Plug TE T NEMA 115 15 Recommended Circuit Size ws Un sett akute assa ase a 2E PE UP ME De Sapa eb 15 Motors Main jl C c AE E E TEFC Capacitor Start Induction Horn IUD qo RUNE T T et ae ow vata sen suet wees evans EE OOE 1 HP bii EEI E E A EN EE EEE ATA I EE E EA AAA PAE E NA E EN 220V PRASE E Three f NN T m 3A OPOE Eae 1725 RPM B rl m M 60 Hz Number 1 Fower Trane T ae E EE A ETE A E EA Belt Drive D ar E E edt n tpe Shielded and Permanently Lubricated Grinder NS oes TT P Open Drip Proof Induction PROP SEO WOU as ctm DI MUI D MEM HP e 110V PUTE ts eco ass ts sos she E Single te A direc te
36. Note clean off thick coats of rust preventative on flat surfaces such as beds or tables use a PLASTIC paint scraper to scrape off the majority of the coating before wiping it off with your rag Do not use a metal scraper or it may scratch the surface 4 Repeat Steps 2 3 as necessary until clean then coat all unpainted surfaces with a quality metal protectant or light oil to prevent rust South Bend Lathe Co For Machines Mfg Since 8 09 Location Physical Environment The physical environment where your machine is operated is important for safe operation and longevity of parts For best results operate this machine in a dry environment that is free from excessive moisture hazardous or flammable chemicals airborne abrasives or extreme conditions Extreme conditions for this type of machinery are generally those where the ambient temperature 1s outside the range of 41 104 F the relative humidity is outside the range of 20 95 non condensing or the environment is subject to vibration shocks or bumps Electrical Installation Place this machine near an existing power source Make sure all power cords are protected from traffic material handling moisture chemicals or other hazards Make sure to leave access to a means of disconnecting the power source or engaging a lockout tagout device Lighting Lighting around the machine must be adequate enough that operations can be performed safely Shadows
37. To reduce the risk of electrocution or burns never touch any metal part of the welding station or blade during welding or annealing To weld the ends of blade together 1 Turn the bandsaw motor OFF 2 Place the blade evenly against the back of the blade shear and firmly pull the handle down to square off the blade end see Figure 24 Figure 24 Using the blade shear to cut the blade South Bend Lathe Co For Machines Mfg Since 8 09 Note To make a proper blade weld the ends of the blade must be evenly butted together during the welding process If necessary use the grinder to square up the ends or remove any teeth that are in the welding zone see Figs 25 26 aime Figure 25 Using the grinder to square up the blade end Welding Zone Grind Off Figure 26 Blade ends and welding zone NOTICE For good metal to metal contact between the welding clamps and the blade make sure the blade material and the clamps are free from any debris or flash before each use 3 To ensure correct electrical continuity while welding use mineral spirits to clean off all oil and debris from the first 6 of each end of the blade 4 Setthe clamping pressure to 0 with the clamping pressure dial Figure 29 South Bend Lathe Co OPERATION Model SB1021 SB1022 5 Loosen the welding clamps by pulling the lock levers down 6 Position the back of one blade end evenly against the back of the we
38. ained Supervised Operators Only machining equipment presents serious Untrained users can seriously injure injury hazards to untrained users To themselves or bystanders Only allow reduce the risk of injury anyone who uses trained and properly supervised personnel THIS item MUST read and understand to operate this item Make sure safe this entire manual before starting operation instructions are clearly understood If electrically powered use 2 Personal Protective Equipment Operating padlocks and master switches and remove or servicing this item may expose the user start switch keys to prevent unauthorized to flying debris dust smoke dangerous use or accidental starting chemicals or loud noises These hazards can result in eye injury blindness long 4 Guards Covers Accidental contact with term respiratory damage poisoning moving parts during operation may cause cancer reproductive harm or hearing loss severe entanglement impact cutting Reduce your risks from these hazards or crushing injuries Reduce this risk by by wearing approved eye protection keeping any included guards covers doors respirator gloves or hearing protection installed fully functional and positioned for maximum protection 8 South Bend Lathe Co For Machines Mfg Since 8 09 SAFETY Model SB1021 SB1022 5 10 Entanglement Loose clothing gloves neckties jewelry or long hair may get caught in moving parts causing entanglement amputa
39. al injury Examples are chains cables round or oblong shaped workpieces workpieces with internal or built in moving or rotations parts etc Clearing Chips Metal chips can easily cut skin even through a piece of cloth Avoid clearing chips by hand or with a rag Use a brush or vacuum to clear metal chips South Bend Lathe Co For Machines Mfg Since 8 09 Preparation Overview The purpose of the preparation section is to help you prepare your machine for operation The typical preparation process is as follows 1 Unpack the machine and inventory the contents of the box crate 2 Clean the machine and its components 3 Identify an acceptable location for the machine and move it to that location 4 Level the machine and either bolt it to the floor or place it on mounts 5 Assemble the loose components and make any necessary adjustments or inspections to ensure the machine 15 ready for operation 6 Connect the machine to the power source 7 Test run the machine to make sure it functions properly and is ready for operation PREPARATION Model SB1021 SB1022 Things You ll Need During the setup process operation and maintenance of your machine you ll need the following items For Lifting e A forklift or other power lifting device rated for the weight of the machine e Lifting Strap or Chain rated for at least 1000 lbs For Power Connection e A qualified electrician to ensure a safe and c
40. arts will result in personal injury including but not limited to severe burns electrocution or death For your own safety disconnect machine from the power source before servicing electrical components or performing any wiring tasks Wire Connections connections must be tight to prevent wires from loosening during machine operation Double check all wires disconnected or connected during any wiring task to ensure tight connections Modifications Using aftermarket parts or modifying the wiring beyond what is shown in the diagram may lead to unpredictable results including serious injury or fire Motor Wiring The motor wiring shown in these diagrams is current at the time of printing but it may not match your machine Always use the wiring diagram inside the 5 Circuit Requirements Connecting the machine to an improperly sized circuit will greatly increase the risk of fire To minimize this risk only connect the machine to a power circuit that meets the minimum requirements given in this manual Capacitors Inverters Some capacitors and power inverters store an electrical charge for up to 10 minutes after being disconnected from the power source To reduce the risk of being shocked wait at least this long before working on capacitors Wire Component Damage Damaged wires or components increase the risk of serious personal injury fire or machine damage If you notice that any wires or components are damaged
41. ce between efficiency and minimized exposure to toxic fumes or chemicals Before cleaning gather the following e Disposable rags e Cleaner degreaser certain citrus based degreasers work extremely well and they have non toxic fumes e Safety glasses amp disposable gloves Note Automotive degreasers mineral spirits or WDe40 can be used to remove rust preventative Before using these products though test them on an inconspicuous area of a painted area to make sure they will not damage it AWARNING Gasoline and petroleum products have low flash points and can explode or cause fire if used for cleaning Avoid using these products to remove rust preventative 2419 PREPARATION For Machines Mfg Since 8 09 A CAUTION Many cleaning solvents are toxic if inhaled Minimize your risk by only using these products in a well ventilated area NOTICE Avoid chlorine based solvents such as acetone or brake parts cleaner that may damage painted surfaces Always follow the manufacturer s instructions when using any type of cleaning product Basic steps for removing rust preventative 1 Put on safety glasses and disposable gloves 2 Coat all surfaces that have rust preventative with a liberal amount of your cleaner or degreaser and let them soak for a few minutes 3 Wipe off the surfaces If your cleaner or degreaser is effective the rust preventative will wipe off easily
42. chine will be idle 4 Install a new blade in reverse order for an extended period of time 5 Position the back edge of the blade so that it is next to but not against the flange of the top wheel see Figure 14 Proper blade tension reduces the risk of blade breakage and improves cutting performance To correctly tension the blade 1 DISCONNECT BANDSAW FROM POWER 2 Turn the blade tension handwheel until you feel an average amount of resistance and the handwheel wants to stop Then turn the handwheel an additional 2 turn Figure 14 Back edge of blade next to wheel flange South Bend Lathe Co 28 Model SB1021 SB1022 Blade Breakage Many conditions may cause a bandsaw blade to break Blade breakage 1s unavoidable 1n some cases since it is the natural result of the peculiar stresses that bandsaw blades must endure Blade breakage 1s also due to avoidable circumstances Avoidable blade breakage is most often the result of poor care or judgment on the part of the operator when mounting or adjusting the blade or support guides The most common causes of blade breakage are e Faulty alignment or adjustment of the blade guides e Forcing or twisting a wide blade around a tight radius e Feeding the workpiece too fast e Dull or damaged teeth e Over tensioned blade e blade guide assembly set too high above the workpiece Adjust the top blade guide assembly so that there is approximately Ve
43. de Terminology i 43 W 2 Figure 9 Bandsaw blade terminology A Kerf The amount of material removed by the blade during cutting B Tooth Set The amount each tooth is bent left or right from the blade C Gauge The thickness of the blade D Blade Width The widest point of the blade measured from the tip of the tooth to the back edge of the blade E Tooth Rake The angle of the tooth face from a line perpendicular to the length of the blade F Gullet Depth The distance from the tooth tip to the bottom of the curved area gullet G Tooth Pitch The distance between tooth tips H Blade Back The distance between the bottom of the gullet and the back edge of the blade I Blade Pitch or TPI The number of teeth per inch measured from gullet to gullet 90 OPERATION For Machines Mfg Since 8 09 Blade Length Measured by the blade circumference blade lengths are usually unique to the brand of your bandsaw and the distance between the wheels Model Blade Length Range 2105681022 1184 119 Blade Width Measured from the back of the blade to the tip of the blade tooth the widest point blade width is often the first consideration given to blade selection Blade width dictates the largest and smallest curve that can be cut as well as how accurately it can cut a straight line generally the wider the blade the straighter it will cut Model Blade Width Ran
44. e When tracking correctly the blade rides next to but not against the wheel flange The tracking 1s controlled by adjusting the upper wheel To adjust the upper wheel for blade tracking 1 DISCONNECT BANDSAW FROM POWER 2 Make sure the blade guides are adjusted away from the blade so they will not interfere with the change of blade position 3 Ensure that the blade is correctly tensioned 4 Using a 6mm hex wrench loosen the four locking cap screws Figure 39 Adjustment Set Screw Wheel Housing O _ Locking M Screw Figure 39 Wheel alignment 5 Useabmm hex wrench to adjust the four set screws Figure 39 to tilt the upper wheel in or out and bring blade tracking back to normal Only adjust each screw in small increments 6 Rotate the upper wheel by hand a couple times in the normal direction of rotation Verify that the blade tracks next to but not against the wheel flange Repeat Steps 5 6 if necessary until the blade tracks correctly 7 Tighten the locking cap screws and recheck the tracking to make sure it did not change If 1t did repeat Steps 4 7 8 Adjust the blade guides back to their correct position South Bend Lathe Co Table Calibration To ensure the accuracy of angle cuts and compound angle cuts the scale pointers must point to zero when the table is perpendicular or 90 to the blade To calibrate the table to zero 1 DISCONNECT BAN
45. f this hazard by verifying that all fastening devices are properly secured and items attached to spindles have enough clearance to safely rotate South Bend Lathe Co 11 12 13 14 15 16 Chuck Keys or Adjusting Tools Tools used to adjust spindles chucks or any moving rotating parts will become dangerous projectiles if left in place when the machine is started Reduce this risk by developing the habit of always removing these tools immediately after using them Work Area Clutter and dark shadows increase the risks of accidental injury Only operate this item in a clean non glaring and well lighted work area Properly Functioning Equipment Poorly maintained damaged or malfunctioning equipment has higher risks of causing serious personal injury compared to those that are properly maintained To reduce this risk always maintain this item to the highest standards and promptly repair service a damaged or malfunctioning component Always follow the maintenance instructions included in this documentation Unattended Operation Electrically powered equipment that 15 left unattended while running cannot be controlled and is dangerous to bystanders Always turn the power OFF before walking away Health Hazards Certain cutting fluids and lubricants or dust smoke created when cutting may contain chemicals known to the State of California to cause cancer respiratory problems birth defects or other
46. f you have a moment please share your experience using this manual What did you like about it Is there anything you would change to make it better Did it meet your expectations for clarity professionalism and ease of use South Bend Lathe Inc C o Technical Documentation Manager P O Box 2027 Bellingham WA 98227 Email manuals southbendlathe com Updates For your convenience any updates to this manual will be available to download free of charge through our website at www southbendlathe com Customer Service We stand behind our machines If you have any service questions parts requests or general questions about the machine feel free to contact us South Bend Lathe Co P O Box 2027 Bellingham WA 98227 Phone 360 734 1540 Parts Department 417 886 2954 Fax 360 676 1075 International Fax 360 734 1639 USA Only Email cs southbendlathe com Table of Contents INTRODUCTION sittin 2 About This Machine 2 oes ee pen SDSS 2 PCAC Mere 2 Ident ERR REDE Dv REPE ERE 9 Machine Specifications 4 SAFETY fece 8 8 Understanding Risks of Machinery 8 Basic Machine Safety esee 8 Additional Metal Cutting Bandsaw Safety 10 PREPARATION isi cian dv ora a cR 11 Preparation Overview
47. ge DIO 6 0 Always pick the blade width that best suits your operation Curve Cutting Use the chart in Figure 10 to choose the correct blade for curve cutting Determine the smallest radius curve that will be cut on your workpiece and use the corresponding blade width The list below shows the minimum radius that can be cut by each blade width Figure 10 Blade width radii South Bend Lathe Co For Machines Mfg Since 8 09 Tooth Set Three common tooth sets are alternate wavy and raker see Figure 11 Each removes material in a different manner to make the kerf in the workpiece Alternate Teh heir ey Wavy E Kaker Am rim rim rn Figure 11 Bandsaw blade tooth sets Alternate An all purpose arrangement of bending the teeth evenly left and right of the blade Generally used for milder metals Wavy Generally three or more teeth in a group that are bent one way followed by a non set tooth and then a group bent the other way Recommended for straight cuts in thin metals or thin wall tubing Raker Three teeth in a recurring group one bent left next one bent right and then a non set tooth The raker set 1s 1deal for most contour cuts Tooth Type The most common tooth types are described below and illustrated in Figure 12 Standard or Raker Equally spaced teeth set at a 0 rake angle Recommended for all purpose use OPERATION Model SB1021 SB1022
48. ing cap screws so the belt is loose Replace the sprocket drive belt Re tighten the intermediate hub and adjust the tensioner hub to tension the new belt Air Pump Belt Use a 10mm wrench to loosen the pump mounting bolts replace the belt and tension it by positioning the air pump then tighten the mounting bolts Note Make sure that when tightened the pump pulley is aligned with the motor drive pulley Dressing Rubber Tires As the bandsaw ages the rubber tires on the wheel may need to be redressed if they become hardened or glazed over Dressing the rubber tires improves blade tracking and reduces vibration blade lead If the rubber tires become too worn then blade tracking will become extremely difficult At that point redressing will no longer be effective and the rubber tires must be replaced To redress the rubber tires 1 DISCONNECT BANDSAW FROM POWER 2 Puton heavy gloves and remove the blade 3 Usea brush and shop vacuum to clean any chips from the rubber tires 4 Hold a piece of 100 grit sandpaper against the rubber tire and rotate the wheel by hand Only redress the rubber enough to expose a fresh rubber surface a Check surface area of tire to ensure a uniformly sanded surface South Bend Lathe Co For Machines Mfg Since 8 09 SERVICE Model SB1021 SB1022 Blade Tracking A blade that 1s tracking correctly runs cooler reduces wear and tear on the machine and increases cutting performanc
49. jig for better workpiece control Use the correct blade for the operation Refer to Blade Selection section beginning on Page 20 Tension replace belt s ensure pulleys are aligned Let cool clean motor and reduce workload Test repair replace Replace pulley and key or set screw Replace shaft if worn Review wiring diagram on motor cover correct wire connections Test all legs for power test field coil and replace if at fault Adjust replace centrifugal switch if available Test for shorted windings bad bearings and repair or replace 1 Clean and lubricate the leadscrew see Page 33 2 Re adjust pinion gears to reduce backlash see Page 37 3 Replace bearing or readjust leadscrew collar see Page 37 4 Replace linkage bolts pins and re bush any worn pin holes 5 Replace leadscrew or leadscrew nut 1 Zero table to blade and realign scale pointers see Page 35 Tighten any loose fasteners 2 Tighten any loose hardware or lock levers Align the guide post see Page 36 Grinder does not 1 Wiring or ON OFF switch at fault 1 Repair wiring or replace grinder switch work 2 Motor at fault 2 Replace motor Work lamp or 1 Bulb wiring or switch at fault welding lamp does not work 2 Transformer is at fault Welder is inoperative or welds poorly 1 Operator error 2 Wiring or welding switch at fault 3 Welder transformer at fault 1 Replace bulb repair wiring replace
50. lding clamp so that the end is midway between the two clamps then rotate the lock lever as far up as possible to hold the blade end in place see Figure 27 OLS Wi 2 a Ar CAPACITY oi WELDER pp s lani gias Figure 27 Blade end properly position in welding clamp and locked in place 7 Use the illustration in Figure 28 and set the correct clamping pressure setting for width of the blade Note The clamping pressure presses the blade ends together to help form a strong weld The pressure scale is an approximation only If you have difficulty getting satisfactory welds experiment by increasing or decreasing this pressure Above Ys Blade 4 3a Blade un W Pressure Dial Up to 4 Blade Figure 28 Blade clamping settings 99 Model SB1021 SB1022 OPERATION For Machines Mfg Since 8 09 8 Place the other blade end in the opposite 11 Inspect the weld The welded joint should be welding clamp and position it so that it even across the width of the blade with no evenly butts up against the opposing blade gaps see Figure 30 end then lock it in place by rotating the lock lever all the way up as shown in Figure 29 Note For a good blade weld it is critical that the d o E blade ends evenly butt up against each other without overlap gaps or misalignment T F L A lii nnealing P i OM l b ol j d I S X 1 7 LTS
51. lectric Sal ee _ Indicates area requiring z changes when converting to o a EN 220V 3 44 South Bend Lathe Co Model SB1021 SB1022 For Machines Mfg Since 8 09 SB1021 110V Electrical Panel Motor amp Cord ELECTRICAL PANEL TRANSFORMER Model S 034 005 1 Class B Capacity 110VA 1 Ph 50 60Hz Primary Voltage OV 110V 220V p H H Q3 SE ct 2 gt Or eB Mes an m Qs moi 2 4 1 2 3 4 R T e 31 2 1 5 6 7 8 9 J 10 tt J 12 GND 3 R 6 3 dy 1 a imi s T Te To Welding Unit Control Panel
52. ls of this machine A Motor Light Lights when the ON button is pressed and there is power to the machine On Button Turns the bandsaw motor ON Off Button Turns the bandsaw motor OFF Clamping Pressure Dial Sets the correct amount of pressure for pressing the ends of the blades against each other Welding Clamp Holds a segment of the bandsaw blade to be welded Lock Lever Secures bandsaw blade for welding operations when rotated up Grinder Switch Turns grinding wheel ON and OFF Shear Lever Cuts the bandsaw blade Welding Button Activates the process of fusing the two blades together Annealing Button Heats up the blade joint then allows it to cool in a gradual manner to establish weld strength Welder s Lamp Switch Illuminates welding station when turned ON Figure 6 Front controls South Bend Lathe Co 19 OPERATION Model SB1021 SB1022 L Variable Speed Handwheel Adjusts blade speed from 88 to 384 FPM Figure 7 Variable speed handwheel Blade Tensioning Handwheel Increases or decreases blade tension when rotated Guide Post Elevation Knob Raises or lowers the guide post and upper blade guide assembly Guide Post Lock Knob Secures the guide post and upper blade guide assembly in position Figure 8 Blade controls Model SB1021 SB1022 Blade Selection Selecting the right blade for the cut requires a knowledge of various blade characteristics Bla
53. lubrication points yourself and provide additional lubrication if necessary Refer to Lubrication on Page 33 for specific details Inspections amp Adjustments The following list of adjustments were performed at the factory before your machine was shipped e Blade Guide Adjustment Page 26 e V Belt Adjustment Page 34 e Table Calibration Page 35 e Blade Tracking Page 35 e Guide Post Alignment Page 36 Be aware that machine components can shift during the shipping process Pay careful attention to these adjustments as you test run your machine If you find that the adjustments are not set according to the procedures in this manual or your personal preferences re adjust them 415 Model SB1021 SB1022 Power Connection AWARNING Electrocution or fire may occur if machine is ungrounded incorrectly connected to power or connected to an undersized circuit Use a qualified electrician to ensure a safe power connection Once your machine is set up and assembled as previously described in this manual it is ready to be connected to the power source Use the information in this section to determine the power source requirements needed to operate this machine If your existing power source does not meet the stated requirements consult with a qualified electrician about running a new circuit Note About
54. m wrench to loosen the two cap screws on the cut angle trunnion underneath the rear of the table see Figure 23 Cap Screws Cut Angle Tilt Scale f Feed Angle Tilt Scale One Shown Figure 23 Table tilt adjustment controls 3 Using the cut angle tilt scale adjust the angle of the table for your operation then re tighten the cap screws To tilt the table forward or backward 1 DISCONNECT BANDSAW FROM POWER 2 Use a 6mm hex wrench to loosen both sets of cap screws on the two feed angle tilt scale brackets see Figure 23 3 Using the two scales adjust the angle of the table for cutting a compound angle then re tighten the cap screws 98 OPERATION For Machines Mfg Since 8 09 Blade Welding Being able to quickly and safely weld a bandsaw blade comes in handy for the following situations e To re join a blade that has been purposely cut for making an internal contour cut e To repair a broken blade that is still sharp and useful e To make a new blade from a roll of bulk blade banding Your metal cutting bandsaw is equipped with a blade welder that uses electrical current to heat and fuse the blade ends together This process will leave the joint brittle so an annealer 1s also included to give the blade strength and flexibility AWARNING The electric current that flows through the blade welder during operation could cause serious personal injury or death
55. n all metal chips or oil from the wheel surfaces Redress the rubber tires if the become glazed When cleaning the wheel areas empty and clean the chip chute and brush Figure 32 39 Chip Chute Figure 32 Lower wheel and chip chute Dressing Grinding Wheel Periodically dress the grinding wheel to square it up and renew the abrasive surface Dressing is done in the same manner as a typical grinding operation but using a diamond tipped dressing tool see Figure 33 Figure 33 Example of diamond dressing tools South Bend Lathe Co For Machines Mfg Since 8 09 ES IN i TE Model SB1021 SB1022 If the table becomes difficult to tilt position Lu br ication it so that you can brush a thin coat of multi purpose grease on the trunnion sliding surfaces see Figure 36 then move back and forth to distribute The bearings on your bandsaw are factory lubricated and sealed Leave them alone unless they need to be replaced When needed brush a light coat of multi purpose grease on the blade tension leadscrew Figure 34 Trunnion Sliding Surfaces Figure 36 Trunnion lubrication The sliding surfaces on the guide post may occasionally need to be lubricated with a light machine oil if the movement becomes stiff Figure 34 Upper wheel leadscrew lubrication Use multi purpose grease and a light machine oil where in Figure 35 Fitting Ld Figure 37 Guide post
56. ode compliant connection to the power source Refer to Page 16 for details For Assembly e Cotton Rags Mineral Spirits Safety Glasses Oil Can with any General Machine Oil Blade Tension Tool Grease Gun with any API GL 2 Grease Stiff Grease Brush Phillips Screwdriver 2 Floor Mounting Hardware As Needed Hex Wrench 5mm Hex Wrench 6mm Combo Wrench Z2 or Ratchet and 1 2 Socket Unpacking This item was carefully packaged to prevent damage during transport If you discover any damage please immediately call Customer Service at 360 734 1540 for advice You may need to file a freight claim so save the containers and all packing materials for possible inspection by the carrier or its agent South Bend Lathe Co 11 Model SB1021 SB1022 Cleaning amp Protecting The unpainted surfaces are coated at the factory with a heavy duty rust preventative that prevents corrosion during shipment and storage The benefit of this rust preventative is that it works very well The downside is that 1t can be time consuming to thoroughly remove Be patient and do a careful job when cleaning and removing the rust preventative The time you spend doing this will reward you with smooth sliding parts and a better appreciation for the proper care of the unpainted surfaces Although there are many ways to successfully remove the rust preventative we have cleaned thousands of machines and found the following process to be the best balan
57. oded wires fix loose connections Replace switch Wire motor correctly refer to inside junction box cover or manual Replace start capacitor Test all legs for power test field coil and replace if at fault Adjust replace centrifugal switch Test for shorted windings bad bearings and repair or replace 1 Move machine closer to the power source or use a larger gauge or shorter extension cord 2 Connect wild wire to the machine power supply terminal that is not part of the contactor field coil power supply circuit 3 Contact your power company to fix the power supply Machine operates 1 Power connections wired out of 1 Swap two power incoming power leads see Page in reverse phase SB1022 only 47 Machine has excessive vibration or noise 1 Motor fan rubbing on fan cover 2 Motor or table is loose 3 V belt s loose 4 Guide post lock lever is loose 5 Machine incorrectly mounted on floor 6 V belt s worn or damaged 7 Pulley loose or not in alignment shaft bent 8 Centrifugal switch out of adjustment at fault SB1021 only 9 Motor bearings worn or damaged 10 Phase converter if used wild wire incorrectly connected SB1022 only 38 1 Fix replace fan cover replace loose or damaged fan 2 Tighten any loose fasteners 3 Tighten V belt s 4 Tighten the lock lever 5 Level shim base tighten adjust mounting hardware or feet 6 Replace V belt s Use link
58. ow are two popular methods for securing machinery to a concrete floor We suggest you research the many options and methods for securing your machine and choose the best one for your specific application Lag Screw and Anchor Figure 4 Common types of fasteners for bolting machinery to concrete floors Machine Mounts Machine mounts are rubber pads mounted to a threaded stud which can be fastened to the bottom of the machine Machine mounts offer certain advantages such as ease of installation vibration dampening and easy leveling They also make it easier to relocate the machine later on The disadvantage of machine mounts 1s that the machine can shift or move over time For this reason electrical codes may limit their use if the machine 1s hardwired to the power source Also mounts may reduce the total surface area of machine to floor contact depending on the design of the machine Figure 5 Typical machine mount South Bend Lathe Co PREPARATION Model SB1021 SB1022 Assembly This machine comes pre assembled from the factory However tension has been removed from the blade for shipping purposes Before operating the machine for the first time you MUST make sure the blade is properly tensioned Refer to the Blade Tensioning procedure on Page 28 for instructions about how to do this Initial Lubrication Your machine was lubricated at the factory but we strongly recommend that you inspect all
59. r amp Cord 46 SB1022 220V Electrical Panel Motor amp Cord 47 Electrical Component Pictures 48 PARTS 49 TIO WOR 49 Drive SYSLOG oen eee eee 51 UPO eea 53 Table amp Tensioning System 55 Electrical Cabinet 57 Welder amp Control Panel 58 Machine LabelS sass 60 WARRANTY amp 61 Model SB1021 SB1022 About This Machine Capabilities This 14 Metal Cutting Bandsaw allows you to make exterior and interior contoured or straight cuts To better understand these capabilities imagine making a doughnut out of 1 steel plate The outside circular shape can be easily cut by moving the workpiece around the blade using a pre drawn line as a cutting guide Cutting the inside hole would normally be a difficult task with a bandsaw But this machine makes it easy First the bandsaw blade is cut with the built in blade shear A hole slightly larger than the blade is then drilled into the center of the workpiece so the blade can be threaded through the hole The ends of the blade are then clamped into the built in welder welded back together annealed and ground flat with the built in grinder Once the blade is re installed on the wheels it can then be used to cut the interior hole and complete
60. re dial to 0 30 South Bend Lathe Co For Machines Mfg Since 8 09 13 Press and hold the annealing button until the weld zone turns the appropriate color then release the button Note If you cannot get the proper annealing 14 15 16 color from the blade manufacturer use the recommendations below as a baseline and experiment from there Carbon Steel Dull Cherry Red Carbon Steel Hard Back Blue Bi Metal Orange High Speed Steel Dull Cherry Red Repeat Step 13 three to four more times allowing the weld to cool for about 30 seconds between each repetition Each time reduce the amount of time you press the anneal button to reduce the amount of heat successively Allow the blade to cool then re inspect the weld Grind away the weld bead on the top and bottom of the joint so that the blade is flat and will run smoothly on the wheels and between the blade guides Note Make sure not to grind the teeth or blade body or overheat the blade during erinding this will weaken the blade A small amount of ticking 1s acceptable during cutting operations South Bend Lathe Co OPERATION 17 18 Model SB1021 SB1022 Re clamp the blade in the welding clamps with the Joint centered then repeat the annealing process twice more Each time gradually reduce the amount of time you anneal the
61. reproductive harm Minimize exposure to these chemicals by wearing approved personal protective equipment and operating in a well ventilated area Difficult Operations Attempting difficult operations with which you are unfamiliar increases the risk of injury If you experience difficulties performing the intended operation STOP Seek an alternative method to accomplish the same task ask a qualified expert how the operation should be performed or contact our Technical Support for assistance Model SB1021 SB1022 SAFETY For Machines Mfg Since 8 09 Additional Metal Cutting Bandsaw Safety 1 10 Blade Condition Do not operate with a dull cracked or badly worn blade they can break during use or greatly decrease cutting performance Inspect blades for cracks and missing teeth before each use Blade Replacement Wear gloves to protect hands and safety glasses to protect eyes when replacing the blade When replacing blades make sure teeth face forward and down toward the table in the direction of blade travel Workpiece Handling Your hands can be cut or drawn into the blade during operation if the workpiece moves unexpectedly Always keep your hands a safe distance away from the moving blade Welding And Grinding Safety The welding station can be hazardous if used incorrectly and without proper personal protection Always wear welding approved gloves eye protection and clothing when welding blades Touching an
62. ricated Grinder ib T PEATE I ANA AE EE OP P Open Drip Proof Induction PA LL asses HP bu 110V NET Single D Wan e E TERT E S E 0 6A e E E EAA E um 3450 RPM d PEE EIEE INE IE EAE EE E AEA E IEE N E E E EEE EA 60 Hz Number UF Speed 1 Power AEQ IOP Direct Drive Boae NITE Sealed and Lubricated South Bend Lathe Co For Machines Mfg Since 8 09 INTRODUCTION Model SB1021 SB1022 Main Specifications Operation Information MNamber ol Plade Ce Variable Blade Speed ee ee eee 88 884 BINE IO B SEIL caeci d opu DNU E IM GENRE C Yn Blade Length Range HER 118 119 Cutting Capacity Maxim m Cutie inh AMI e M IMs M Le Und bM e TUAE SUD VIMUS T Cutting Capacity Len 147 Table Information Loe M 15 Left Right 10 Forward Back p NN 22 4 W x 19 L x 1 Thick Fooro Tabe Rd RITE 89 Construction LD
63. rkpiece AWARNING Workpieces that cannot be stabilized from unexpected movement should not be cut with a vertical metal bandsaw due to the increased risk of the operator s hands slipping into the blade Examples are chains cables balls or workpieces with built in moving parts 18 OPERATION 6 For Machines Mfg Since 8 09 Adjusts the upper blade guide height to approximately above the workpiece for maximum blade support Puts on safety glasses and rolls up sleeves or secures any clothing or hair that could get entangled with moving parts AWARNING Loose hair clothing or jewelry could get caught in machinery and cause serious personal injury Keep these items away from moving parts at all times to reduce this risk AWARNING During operation small metal chips may become airborne leading to serious eye injury Wear safety glasses to reduce this risk Turns the bandsaw ON and adjusts blade speed for the type of material being cut Presses the workpiece against the blade using light and even pressure and following the cut line with the blade Depending on the workpiece material the operator may squirt a small amount of cutting fluid at the cutting area to keep it from overheating and smoking Turns the bandsaw OFF South Bend Lathe Co For Machines Mfg Since 8 09 Controls Refer to Figures 6 8 and the following descriptions to become familiar with the basic contro
64. s for various metals given in feet per minute FPM Choose the speed closest to the number shown in the chart 1 Measure the material thickness This measurement is the length of cut taken from where the tooth enters the workpiece sweeps through and exits the workpiece 2 Refer to the Material Width Diameter row of the blade selection chart in Figure 13 and read across to find the workpiece thickness you need to cut Material Width Diameter Teeth Per Inch TPI for Variable Pitch Blades Material Shapes TOOTH SELECTION 2 5 CUTTING SPEED RATE RECOMMENDATION Speed FPM Speed FPM Speed FPM Speed FPM Material M Min Material M Min Material M Min Material M Min Carbon 196 3554 Tool Steel 203 Alloy 111 321 Free Machining 150 203 Steel 60 108 7 62 Steel 34 98 Stainless Steel 46 62 Angle 180 220 High Speed 75 118 Mold Steel 246 Gray 105 225 Oteel 54 67 Tool Steel 25 36 75 Cast Iron 33 75 Thin 180 220 Cold Work 954215 Water Ductile 65 85 Hardened Austenitic 54 67 20 26 Tube 24 167 29 CP Tool Steel Cast Iron AOI LAG Aluminum 2204534 Hot Work 203 Stainless eb Malleable 521 Alloy 67 163 Tool Steel 62 Steel 26 Cast Iron 98 Copper 229 482 Oil Hardened 205 215 CR Stainless 25 205 ieee 220 Alloy 70 147 Tool Steel 62 65 Steel 26 62 67 Figure 13 General guidelines for blade selection and speed chart 22 South Bend
65. teel facing to reduce wear on the guides Properly adjusted blade guides are essential to making accurate cuts If the blade guides rub the blade at either the top or bottom of the blade follow the guide post alignment procedure on Page 36 for adjusting the guide post parallel with the blade To properly adjust the upper and lower blade guides 1 DISCONNECT BANDSAW FROM POWER 2 Make sure the bandsaw blade is properly tensioned Page 23 and the guide post is locked 3 Usea Phillips head screwdriver to remove the flange screws that secure the lower blade guide cover then remove the cover to access the cap screws in the next step 4 Usea5mm hex wrench to loosen the cap screws that secure the blade guide bracket and blade support see Figures 18 19 Blade Support Cap Screw Figure 18 Upper blade guides and bracket South Bend Lathe Co For Machines Mfg Since 8 09 Blade Supponi Screw x Blade Guide Bracket Cap Screw Figure 19 Lower blade guides and bracket 5 Position the blade guides so that they are approximately behind the tooth gullets see Figure 20 then re tighten the blade guide bracket cap screw Blade Guide Figure 20 Blade guides positioned approximately 1 6 behind tooth gullets 6 Slide the blade support see Figure 21 up to but not touching the back of the blade then re tighten the blade support cap screw Blade Guide Cap Screws Blade Support
66. teps have been completed the machine and its safety features must be tested to ensure correct operation If you discover a problem with the operation of the machine or its safety components do not operate it further until you have resolved the problem Note Refer to Troubleshooting on Page 38 for solutions to common problems that occur with all metal bandsaws If you need additional help contact our Tech Support at 360 734 1540 AWARNING To reduce the risk of serious injury when using this machine read and understand this entire manual before beginning any operations To test run your machine 1 Read and follow the safety instructions at the beginning of the manual take required safety precautions and make sure the machine is set up and adjusted properly 2 Clear away all tools and objects used during assembly and preparation 3 Make sure the blade is properly tensioned and the blade guides are positioned correctly for detailed instructions refer to Blade Tensioning on Page 23 and Adjusting Blade Guides on Page 26 South Bend Lathe Co PREPARATION 4 5 Model SB1021 SB1022 Connect the machine to the power source Push the ON button The green motor light will illuminate and the motor will start Verify that the machine 1s operating correctly When operating correctly the machine runs smoothly with little or no vibration or rubbing noises Note For three phase models verify that
67. the doughnut shape After completion the blade is sheared again to remove it from the workpiece Aside from the above capabilities this machine can also be used for straight cuts in sheets too large to fit in the vise of a horizontal metal cutting bandsaw For example if you needed to cut a 24 x 24 sheet of 1 steel in half you can clamp a straightedge to the bandsaw table then guide the sheet along the straightedge to make a nice straight cut Cutting this same size of stock on a horizontal bandsaw would require a very large machine On the other hand if you need to resaw an 8 x 8 billet into a series of 1 thick plates clamp a straightedge 1 away from the blade raise the blade guides to accommodate the height of the billet and each cut you make will produce an 8 x 1 plate Both of these types of straight cuts can also be made with the table tilted to 15 which creates a beveled cut INTRODUCTION For Machines Mfg Since 8 09 Features Now that you know the basics of what this machine can do take a minute to consider its features This machine is equipped with a built in air blower near the blade guides This feature keeps metal chips away from the cutting area so you can accurately follow pre drawn cutting lines without metal chips getting in the way An adjustable work lamp is also provided above the table to eliminate shadows from the work area This is a great feature when doing close up work
68. this warranty exceed the original purchase price paid for this machine Any legal actions brought against South Bend Lathe Company shall be tried in the State of Washington County of Whatcom This is the sole written warranty for this machine Any and all warranties that may be implied by law including any merchantability or fitness for any purpose are hereby limited to the duration of this warranty To take advantage of this warranty contact us by mail or phone to give us the details of the problem you are having Thank you for your business and continued support South Bend Lathe Co South Bend Lathe Co P O Box 2027 Bellingham WA 98227 PHONE 360 734 1540 Administrative Offices FAX 360 676 1075 International FAX 360 734 1639 USA only southbendlathe com Printed In Taiwan TRCRBLTSJB12079
69. tion crushing or strangulation Reduce this risk by removing securing these items so they cannot contact moving parts Mental Alertness Operating this item with reduced mental alertness increases the risk of accidental injury Do not let a temporary influence or distraction lead to a permanent disability Never operate when under the influence of drugs alcohol when tired or otherwise distracted Safe Environment Operating electrically powered equipment in a wet environment may result in electrocution operating near highly flammable materials may result in a fire or explosion Only operate this item in a dry location that is free from flammable materials Electrical Connection With electically powered equipment improper connections to the power source may result in electrocution or fire Always adhere to all electrical requirements and applicable codes when connecting to the power source Have all work inspected by a qualified electrician to minimize risk Disconnect Power Adjusting or servicing electrically powered equipment while it is connected to the power source greatly increases the risk of injury from accidental startup Always disconnect power BEFORE any service or adjustments including changing blades or other tooling Secure Workpiece Tooling Loose workpieces cutting tools or rotating spindles can become dangerous projectiles if not secured or if they hit another object during operation Reduce the risk o
70. turing thus keeping the blade sharp longer To properly break in a new blade 1 Choose the correct speed for the blade and material of the operation 2 Reduce the feed pressure by half for the first 50 100 in of material cut 3 To avoid twisting the blade when cutting adjust the feed pressure when the total width of the blade is in the cut 4 Usethe Chip Inspection Chart on Page 25 to ensure that the optimal blade speed and feed rate are being used South Bend Lathe Co For Machines Mfg Since 8 09 OPERATION Blade Speed Chart Use the blade speed chart in Figure 15 to determine an appropriate speed to start with then examine the chips once you start cutting to determine which way to adjust the speed or your feed rate Material Thickness Alloy Steel 1 90 Model SB1021 SB1022 Dry Cutting Speed FPM 1 2 Castiron 90 125 160 Low Carbon Steel 90 125 160 Medium Carbon Steel 75 100 125 Figure 15 Dry cutting blade speed chart Chip Inspection Chart The best method for evaluating the cutting speed and feed rate for an operation 1s to inspect the chips created by the cut Refer to the chip inspection chart below for chip inspection guidelines Chip Appearance Chip Description Thin amp Curled Hard Thick amp Short Hard Strong amp Thick Hard Strong amp Thick Hard amp Thin Straight amp Thin Powdery Curled Tight
71. ure the blade tracking and tension are set correctly 3 Lower the blade guide post to the bottom of its travel and lock it in place 4 Adjust the blade guides as described on Page 26 5 Unlock the post just enough to allow it to slide move it all the way up then examine the clearances between the blade and blade guides to see if they changed If these clearances changed beyond your acceptable tolerances the blade guide receiver Figure 42 can be adjusted to fix this condition Guide Post Receiver Figure 42 Guide post system Using a 6mm hex wrench loosen the four guide post receiver cap screws Figure 43 m Jes Screws Figure 43 Guide post alignment controls Using a 5mm hex wrench adjust the four set screws to tilt the blade guide receiver in the required direction Tighten the cap screws and recheck blade guide clearance along the guide post path of travel Repeat this procedure if necessary to fine tune the guide post travel to acceptable tolerances 36 South Bend Lathe Co For Machines Mfg Since 8 09 SERVICE Model SB1021 SB1022 Pinion Gear Backlash During the life of the machine the variable speed handwheel may develop extra backlash due to normal wear of the pinion gears If this lash becomes unacceptable use this procedure to reduce the backlash To reduce the pinion gear backlash 1 DISCONNECT BANDSAW FROM POWER 2 Remove the rear lower access panel and use a 4mm
72. ut or replace worn bolts or linkage Figure 45 3 5 eadscrew 1 P 2 EN aJ 2 Figure 46 Linkage location and parts 4 Reinstall the access panel 207 Model SB1021 SB1022 TROUBLESHOOTING For Machines Mfg Since 8 09 Troubleshooting If you need replacement parts or if you are unsure how to do any of the solutions given here feel free to call us at 360 734 1540 Symptom Possible Cause 1 Power supply switched off has incorrect voltage Machine does not start 2 Blown fuse tripped circuit breaker at main panel 3 Plug or receptacle is corroded or mis wired 4 Thermal overload relay has tripped 5 Break or short in wiring or loose connections 6 Motor ON OFF switch at fault 7 Motor connection wired incorrectly 8 Start capacitor blown or at fault 9 Contactor not energized has poor contacts 10 Centrifugal switch at fault 11 Motor at fault 1 Extension cord if used is causing voltage drop Main motor chatters during startup or during 2 Phase converter if used wild wire operation connected wrong 3 Power supply has incorrect voltage on one or more legs Possible Solution Switch power supply on verify voltage Correct the cause of overload then reset replace fuse or breaker Clean retighten contacts correct the wiring Allow relay motor to cool If necessary press reset button inside switch Trace replace broken or corr
73. uthbendlathe com Model SB1021 14 Variable Speed Vertical Metal Cutting Bandsaw Product Dimensions N r E E E A 697 lbs W iden ble E BE 22 x 36 x 671 Foot Print Leneth Width 16 x 31 Shipping Dimensions Wood I DUNT HO H ER Machine CTUM ETT E RHRR 926 lbs Lenet MN ce oa E ERS haaa eee asc comune TT x 42 x 29 Electrical Required Power Source RETIRER m 110 220V Single Phase BU E E E E O Magnetic Contactor with Thermal Overload Relay SWIC Voa E 110 220V Included Pus EE aE NEMA 5 15 Recommended GC ESEREN A oR 15 Motors Main jh T O TEFC Capacitor Start Induction HP RN 110 220V ERE E O Single 6A 220V 12A 110V IC TP t T 1725 RPM E 60 Hz OO e iab E 1 Power Transe einiino sink apate S ia oa ore ie Belt Drive Shielded and Permanently Lub
74. ve the wire connected to the 4 terminal and move it to the 7 terminal 6 The machine is now wired for 220V SB1021 110V Prewired Power Source Full Load Amp Draw 13 6 Amps Permissible Voltage Range 99 1 Single Phase ITOquoD 60 Hz Minimum Circuit Size 20 Amps Included PIS NEMA 5 15 Minimum Extension Cord Size 14 AWG Maximum Extension Cord Length 50 ft SB1021 220V Power Source Full Load Amp Draw 6 8 Amps Permissible Voltage Range 198V 242V Uds Single Phase Frequency sccsicnrnitovasscsaedecdsectcoisatentidedeceasaeeenase 60 Hz Minimum Circuit Size 15 Amps Recommended Plug Receptacle NEMA 6 15 Minimum Extension Cord Size 14 AWG Maximum Extension Cord Length 50 ft SB1022 220V 3 Phase Power Source Full Load Amp Draw 3 6 Amps Permissible Voltage Range 198V 242V 3 Phase BOQ UICC e 60 Hz Minimum Circuit Size 15 Amps Recommended Plug Receptacle NEMA L15 15 Minimum Extension Cord Size 16 AWG Maximum Extension Cord Length 50 ft South Bend Lathe Co For Machines Mfg Since 8 09 Test Run After all preparation s
75. while performing a wiring task replace those wires or components before completing the task Experiencing Difficulties If you are experiencing difficulties understanding the information included in this section contact South Bend Lathe Co Model SB1021 SB1022 For Machines Mfg Since 8 09 Wiring Overview CONTROL PANEL See Page 44 and Figure 48 9 WELDER S LAMP WELDING UNIT See Page 44 and Figure 49 3 ELECTRICAL PANEL See Page 47 and Figure 50 See Page 47 and Figure 47 a 7 Ng May Represent Multiple Wires ip BLACK PINK WHITE wi nue em YELM BROWN GRAY 5y ORANGE auos YELLOW NOTIC g The photos and diagrams included in this section are best viewed in color You can m see them in color at www southbendlathe com South Bend Lathe Co 43 Model SB1021 SB1022 For Machines Mfg Since 8 09 SB1021 2 Control Panel amp Welding Unit NEN 7 UPPER DOOR 7 N MO ES LIMIT SWITCH SRI 4 4 0 wu 5 WORK LAMP i w SWITCH LOWER DOOR LIMIT SWITCH Power Lamp Welder s ON OFF CONTROL PANEL 9 WELDING UNIT Welding Button p N3 CHD Ore 220V Transformer 115 230V 2KVA Ya Chang E
76. y metal parts of the blade welder or machine when activating the welder could lead to electrocution Welding near flammables could cause a fire Hot Surfaces Be aware that touching hot workpieces or chips after welding grinding or cutting can cause burns Cutting Fluid Safety This machine is designed for dry cutting operations Flood type cutting fluid setups should not be used because the machine is not waterproof 4 10 11 Magnesium Fire Hazard Use EXTREME CAUTION if cutting magnesium Using the wrong cutting fluid or overheating the material could lead to an extremely hot fire that 1s difficult to extinguish Additionally do not allow magnesium swarf or dust to pile up around the machine and only dispose of the waste using approved methods Entanglement Hazards Always keep the blade guard correctly positioned and wheel doors closed and secured when bandsaw is in operation Loose clothing Jewelry long hair and work gloves can be drawn into working parts Maintenance Service inspections adjustments and maintenance are to be done with the power OFF and the plug pulled from the outlet Wait for all moving parts to come to a complete stop Unstable Workpieces Workpieces that cannot be supported or stabilized without a vise or jig should not be cut on a vertical metal cutting bandsaw because they can unexpectedly move while cutting and draw the operator s hands into the blade causing serious person

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