STC Series TRI-LOK Oval Power Clamps User's Guide
Contents
1.2. Y QOREPL 10 00071 seues Y 104 1 21 secos oozes 4000 4005552 aoozee en s EU 9 EU 769810 ONIO 1 _________ 5 817900 AldN 8 dvo GNA 6921700 900 Wav SAIC 66 10 1 5 Nid 1 Wav 8 999810 SnH INDOWWaV EN ozi GOL p Nooosrz nooseez NOOZEE 46 e 0006 wooseez woozees s4 z 100091 1009 Toozees 49 m yooseez wO0ztt ost o rooosrz rooseez roozees 46 e 90009v 9ooseez 00 02 rg 200081 400566 soozees 500 o z 200092 Soosees do0ztt 46 g 900092 aooseez aoozeez 2 g 200092 2006667 ooozeez 49 Mp sooosre 800666 8000857 4 e vooosrz vooseez voozeez 406 Ed AVS Hod vILD duelo siaquinn Ajquessy 164 s ds dwej9 80810 39078 304115 981610 008 NOLSId 8080 NOLSId 10161 MAYS ONILNNOW 6080 YOLVALOV 0616 JldN 8 AdO8 10 2 ALO 2 a E E 2 S E N d E LJ tr
3. 135 Nm 100 ft Ibs Weldments or other mounting provided for the clamp must be of sufficient rigidity to allow consistent delivery of the force required by the application N A A M S Style Mounting 082006 BTM CORPORATION 300 DAVIS ROAD MARYSVILLE MI 48040 Tel 810 364 4567 Fax 810 364 6178 www btmcorp com d User s Guide BTM STC Model Tri Lok Clamps 3 1 Optional Adjustable Dowel Mounting Kit BTM s adjustable dowel kit allows precise adjustment of the clamp arms closed position after mounting by means of a lockable eccentric dowel which rotates the clamp 1 29 relative to a second pivot dowel The slot insert is press fit in the clamp body with the slot oriented toward the pivot dowel Adjusting the Threaded Tapered Plug Expands Slot Hex Head Adjust Position Press Fit Knurl Expansion Slot Eccentric Pin Slot Insert Adjustable Dowel Kit eccentric pin rotates the clamp relative to the mount Optional Pivot Dowel Slot Insert Align Slot Adjustable Hae Toward pivot Dowel Dowel Kit 4 Welding Clamp Arms Remove the clamp arm before welding on it or attach the ground cable directly to the arm so as not to pass current through the bearings of the clamp mechanism 5 Removal and Remounting of the Clamp Arm Warning Discon
4. ROAD MARYSVILLE MI 48040 Tel 810 364 4567 Fax 810 364 6178 www btmcorp com User s Guide BTM STC Model Tri Lok Clamps Warning Always disconnect air and electrical supply lines before working on or around power clamps Introduction Thank you for selecting BTM s patented STC model power clamp Our goal is to provide our customers with the best value in power clamps available This User s Guide is intended to help you get the most value from the product please read it through carefully If you have questions call BTM at 810 364 4567 For service issues call our service pager at 810 340 3500 to leave a message and we will promptly return your call 1 The TRI LOK Mechanism BTM s patented TRI LOK Mechanism can be used as a clamp or a precision back up and eliminates over center clamps Ti Ways of using the TRI LOK mechanism Toggle Clamp Slide three point lock Link Mechanism does not unlock if air pressure is lost This surface repeats its position with a high degree of accuracy Standard throughout the life ofthe unit Clamp Arms Toggle Clamp When used as a toggle clamp the arm is shimmed so that the TRI LOK mechanism is not engaged The locking takes place within the linkage 082006 BTM CORPORATION 300 DAVIS ROAD MARYSVILLE MI 48040 Tel 810 364 4567 Fax 810 364 6178 www btmcorp com User s Guide BTM STC Model Tri Lok Clamp
5. To GM Spec CC 002 16 General Specifications PATENTED TRILOK MECHANISM STANDARD N A A M S MOUNTING SEALED MECHANISM LUBRICATED FOR LIFE OF CLAMP BODY CONSTRUCTED FROM AIRCRAFT ALUMINUM HARD COATED TO RC 70 FOR EXCELLENT WEAR CHARACTERISTICS PIN ARM DRIVE FOR VERSATILE ARM POSITIONING amp SIMPLIFIED ARM CHANGE ACCESS TO MANUALLY UNLOCK CLAMP LINKAGE EQUIVALENT BORE SIZES 52 0mm 2 00 62 0mm 2 50 amp 82 0mm 3 25 DIA EASILY ADJUSTABLE ARM OPENING 30 45 60 75 90 105 120 MAXIMUM CYLINDER STROKE FOR 120 ARM OPENING 5 52 70 28mm 2 77 STC62 93 1mm 3 66 STC82 118 8mm 4 68 APPROX WEIGHT WITHOUT ARMS STC52 3 8 kg 8 4 lbs STC62 5 7 kg 12 6 Ibs STC82 13 6 kg 30 0 Ibs OPERATING PRESSURE 2 75 TO 7 BARS 40 TO 100 PSI LUBRICATED OR NON LUBRICATED COMPRESSED AIR USE FLOW CONTROLS TO REDUCE IMPACT HOLDING TORQUE STC52 290 N m 214 ft lbs WITHOUT AIR STC62 450 N m 330 ft lbs STC82 745 550 ft lbs CLAMPING TORQUE STC52 89 5 N m 66 ft lbs 5 5 BARS 80 PSI AT HUB STC62 257 6 N m 190 ft lbs 5 5 BARS 80 PSI STC82 496 2 N m 366 ft lbs 5 5 BARS 80 PSI CLAMP INTERCHANGABILITY TOLERANCE 0 15 CLAMP TO CLAMP ARM REPEATABILITY IN CLOSED POSITION x0 3 FIGURE 1 FIGURE 2 CLAMP INTERCHANGEABILITY TOLERANCE ARM POSITION CYCLIC REPEATABILITY Dowels 5 D 001 3 Mounting Surface 7 Pivot Point Body to Mounting Surface Arm Mo
6. 03 STCUG STC Series TRI LOK Power Clamps User s Guide CORPORATION Standard Products amp Automation Division www btmcorp com 6 User s Guide BTM STC Model Tri Lok Clamps P Table of Contents 1 The TRIELOK Mechanism ca ea ee vade ue SE Page 1 2 Howto Read the Label ien ene eue ta teed 2 3 Mounting the clamp amp Adjustable Dowel Kit 2 3 4 Welding on the Clamp 2 2 2 1 1 1 1 3 5 Removal and Remounting the Clamp Arm 3 6 Arm Mounting Features 222 4 2 4 TASE MUERE 4 8 Cushion Adjustment amp Fixed 4 9 How to Change the Rear Cushion Degrees of Rotation 5 10 S Ko 5 11 Proper Application Specifications 6 7 12 Manual Unlock uie eter ae E uei i e es 8 13 Buy OIT PIOESOU ED cl dea ee 8 14 Ordering spare ea ge ede ko ni ba a edie es nean a eds wean 8 TOS COITIDOTIBDIS uei ker plua paca a ES REPRE 9 11 16 General specifications gode ei ca e tubo x kg Eee eo E D 12 reu rii qnc P nc pP 13 082006 BTM CORPORATION 300 DAVIS
7. 6 6 z e woso dV ONS 1 z ra ES EN E E E woal ELA 700291 700762 100622 002951 3001562 0 2 6 roozsrz 00zsrz 00 lt 6 400259 soozeez 400 3o0zsv S00zeez aoozeez 264 2 2 aaa ele 9 WW ATG 6080 ONO 9 SNH INNON WV 4 297810 0 197810 Ed ZEL6L0 210 X 98 X 002 H3HSVM 117100 waa HH I VEOS9L 35018 34115 0692 000 9 200 66 200766 8002094 800 66 8009667 Lwoozsrz 00 66 woorec Jo Buiued z MOd uod avs iuedo didN 88 9 1 149253 Ajquiassy WLA 9 N S 815 2 E 2 E N Y Tt br o0 tr 22 gt gt gt e lt i lt e gt lt Z 5 o A a4 gt e BTM Tri Lok Power Clamp BIM Specification Compliance
8. ARM STC82 92 000 x LINE PRESSURE BARS 55 x LINE PRESSURE PSI po e NEWTONS POUNDS u LENGTH mm FROM POINT TO LENGTH in FROM POINT A TO CENTER LINE OF CLAMPING CENTER LINE OF CLAMPING CONTACT AREA ON CLAMP ARM CONTACT AREA ON CLAMP ARM 11 2 Permissible Clamp Offset Distance STC52 SINGLE ARM A 37 5mm DUALARM A 75mm STC62 SINGLE ARM A 75mm DUALARM 150 DUALARM 00 a STC82 150mm 11 3 Arm Deflection Under Load Force on arm at X distance from pivot resulting in 0 13mm 005 Maximum deflection STCS2 ste J Force N X mm Force N BTM CORPORATION 300 DAVIS ROAD MARYSVILLE MI 48040 Tel 810 364 4567 Fax 810 364 6178 www btmcorp com 6 User s Guide BTM STC Model Tri Lok Clamps 11 4 Maximum Allowable Weight Clamp Arm Assembly Refer to the charts below for model specific information regarding the recommended allowable weight on the arm at given distances from the pivot The distance from Pivot Point is the straight line distance from the centerline of the clamp at the pivot point to the center of gravity of the clamp arm assembly The center of gravity is figured using the weight of the arm plus the total weight mounted on the arm When using dual arms add the weight of the second arm to the total weight If application falls above this c
9. es which are machined into the ports in both the end cap and in the clamp body These orifices are intended to protect the clamp from operating in excess of the recom mended cycle rate relative to the mass of the arm In some instances a second smaller orifice and or flow control valves may also be required Three possible conditions exist in the application of STC clamps 1 Normal Speed and mass are compliant with the specification No additional speed control device is required but flow control valves should be added to reduce impact 2 Mass exceeds the charted specification Asmaller secondary orifice must be installed at the manifold Consult BTM s sales department for proper sizing of the secondary orifice Flow control valves should also be added in addition to the secondary orifice 3 Mass complies with specification but additional speed reduction is required for machine timing or other purposes Flow control valves must be added to further reduce the cycle rate 4 082006 BTM CORPORATION 300 DAVIS ROAD MARYSVILLE MI 48040 Tel 810 364 4567 Fax 810 364 6178 www btmcorp com User s Guide BTM STC Model Tri Lok Clamps 9 Changing the degree of rotation rear cushion Before working on any clamp always disconnect the air pressure BTM STC model clamps are fitted with a removable rear cushion This feature allows field changes of the degree of clamp opening Refer to the drawing on page 7 Proximi
10. eva 90 7 MIYOS ONILNNOW WOOTSPL 7008667 VOOREEL 4LdN graye od vio L L6L0 90 4 X 009 H3HSVM 40222 YOLVNLOV XOUd 0092 31vd MOOINN Y10801 dLdN 8 1 9 AQO8 9 ON 18 1 wLa 13 a 9 5 2 2 oc hn n a E e y e lt 5 E LJ 56 3 69015 BTM CORPORATION 300 DAVIS ROAD MARYSVILLE 11810 SOHS O10L XvN v 6 208172 189579 LNOYS 8h sees eu soueusjen 000901 10 seues 104 77 Tr 1NOMJ 2 1097 omaxooiwn i 40092 00 Hooves doozsrz 00 22 V V V 1 2 2 Vecvlol 495 LNANLSAPCV NOIHSQO NOOZSYZ NOOZEEZ 00 1 2 2 296 69780 SOHS 91001 97810 LH NIHL LAN 20 X313 ZIN 1 90592 319 6 INNON WHY 28015 9 67900 Nid 7108 91 8 9 X 2 0997810 Nid 10 91 LX z 0929 0 SOHS OISLXZIN 090 10 9109X0IN v 969810 ONIH O 3NvHI3HD 1970995 7 Nomsnouvsu 2 11700 6910 _______ LNO 4 KH Lis E NNT TEE woozees noorse 5
11. nect air pressure before attempting to remove the clamp arm BTM s patented pin arm drive simplifies arm changes To remove the clamp arm s remove the nut on the center screw and carefully unthread the screw past the 2 internal O ring seals in the hub screw hole Figure A Do not push the screw through as damage to the O rings may result Once the center screw is removed the arm s may be tapped off with a mallet along with the assistance of a screwdriver lifting the arm away from the clamp body to balance the force from the mallet Should the pins s become lodged in the arm a through hole is provided to tap the pin from the arm with a drive punch and hammer Remounting the arm is done by first making sure the hub ring thread is tight then simply use the witness mark to properly locate the arm to the hub and tap the arm over the pins Next thread the center screw through the O rings Again do not push the screw through as damage to the O rings may result Finally refit the nut and tighten the screw to the proper torque setting _7 Center Screw e O Ring STC52 M8 Screw 23 Nm 17 ft lbs STC62 M10 Screw 45 Nm 33 ft lbs STC82 M12 Screw 79 Nm 58 ft Ibs Hi Es gl i Hub Ring 1 Each Side 082006 BTM CORPORATION 300 DAVIS ROAD MARYSVILLE MI 48040 Tel 810 364 4567 Fax 810 364 6178 www btmcorp com 4 Use
12. o gt ml gt gt lt E 300 DAVIS ROAD CSO LS BTM CORPORATION Seues 00 6 eu 006 10 00807 Seues Y 104 2 4009 6 00262 7 Z Z19810 SIHSOI0X8N oe 22 02 wauos LNSWLSNrav NOIHSNO 2 9001502 doogees dodges 1 660910 sowssroxew v amp vrnr 45 10 Nid TION O1v EX 2 vezra n voco z zz odos Uva 969810 MAU EC vog SNOT L e NOIHSNO 1NOM3 z v vzosor JIAN 81 16 dvO 90019 9009224 900 e vooo 1000904 4009667 z veo anninnowwav z 2009 3009664 L i 7 oz 1 6 0092 gt Lv 4 vsoseez OL Noolsrz Noogeez NOOEEEZ woorsrz woogeez wooseez toorsrz 1009 100 MOOLGy MOOEEEZ roorsrz rooocez 1 QO u L ojojo e e lt eo 181610 TWASA10d 905 5 0 8 1 20092 xo0183ans 966 10 S9NbIOvd vad 20092 S T TTE 006662 821610 7135 YYdAlOd z 0092 8006667 869 10 TVIS 9A Ma
13. r s Guide BTM STC Model Tri Lok Clamps 6 Arm Mounting Features The BTM STC clamp features a pin drive hub providing quick and easy positioning of the arm on either side of the clamp Simply tap the pins through to the desired side or install longer pins for dual arms The 8 pins allow for easy positioning of the arm at 45 increments The machined surface of the arm may be turned to face either way A or B position ARM DRIVE A Position B Position 7T Air Supply BTM STC model power clamps are designed to operate on 5 8 bars 85psi or less of clean dry air Air delivery should be adequate to supply the following volume to each port to operate the clamp at a rate of 1 second open and 1 second closed STC 52 2 2 SCFMSTC62 4 5 SCFM STC82 9 2 SCFM 8 Cushion adjustment BTM STC model clamps are equipped with adjustable cushions to decelerate the arm mass and extend the life of the clamp Properly adjusted cushions only slightly reduce the speed of the clamp Start by closing the adjustment screw then while cycling the clamp gradually open the adjustment screw until the speed is minimally affected Adjust to achieve the required cycle rate not exceeding the maximum rate of 1 second open and 1 second closed Cycling the clamp faster than the maximum rate may result in premature failure Refer to charts on page 6 8 1 Fixed Orifices STC model power clamps employ fixed orific
14. s 2 How to read the label The label affixed to a BTM clamp contains the following information Ref catalog 01 C Serial Number Used for tracing information Date Date clamp was shipped from BTM Model Number Indicates Clamp size amp mounting style degree of arm rotation arm number arm position and switch number Optional customer specific information Customers may supply additional information for logistics purposes such as fixture identification program unit job reference amp purchase order numbers Typical BTM clamp label Contact information Distributor name and telephone number Product Number specifics of clamp port size and type mounting and degree of rotation 5 2 98 72311095 388 5 29 Fixture 111 2222 Progran KS 333 4444 Marysville TBA 5 810 364 6178 Phin PHONE NUMBER 3 How to mount the clamp Notice Blind dowel holes 1 on each side Do not drive through Remove with dowel puller Blind threaded holes 2 each side Oval style STC 52 62 amp 82 clamps have 1 blind dowel hole on each side Assembly personnel should use care when inserting or removing dowel pins not to drive them through Screw holes are also pro vided and require the following torque settings to be applied when mounting STC52 M8 Screw 39 Nm 29 ft lbs STC62 M10 Screw 77 Nm 57 ft Ibs STC82 M12 Screw
15. s the clamp to be manually opened when the air is off during eis Release setup A mallet may be required to tap the release button and then _ ___ 78 Button the arm to open the clamp 12 1 Manual Unlock Access STC Clamps are now being manufactured with an unlock access rather than the release button To unlock the STC clamp with the air off remove the front cover plug and and tap the linkage with a delrin punch to unlock the mechanism Replace the plug and tighten New Style 13 Buy Off Procedure Please contact BTM s authorized Distributors to certify proper application of its STC VP clamps The figure depicted to the right shows the typical information that is required for application approval Certification will include an assessment of the cycle rate and the weight of the clamp arm assembly Any misapplications will be noted and must be corrected to recieve certification The warranty is dependant on certification of the application Center of Gravity of Clamp Arm Assembly M CG 14 Ordering Spare Parts ass BTM STC Model Clamps are warranted for life of the tool which the clamp was originally sold for There fore the unit is generally exchanged or repaired at the factory If spare parts are required contact BTM sales at 810 364 4567 8 082006 BTM CORPORATION 300 DAVIS ROAD MARYSVILLE MI 48040 Tel 810 364 4567 Fax 810 364 6178 www btmcorp com 5 0006
16. the seal plate is in its groove as the block is fitted Then tighten the block to the body NOTE 52 Is always in the closed position CLAMP CUSHION ALIGNMENT TOOL PISTON SCREW TORQUE END CAP SCREW TORQUE STC 52 727007AT 12 Ib ft 16 N m 12 Ib ft 16 STC 62 726007AT 24 Ib ft 32 N m 24 Ib ft 39 N m STC 82 726510AT 75 Ib ft 102 N m 50 Ib ft 68 N m 10 Lubrication BTM STC model power clamps are lubricated for life at the factory No other lubrication is necessary In line air lubrication is not required 082006 5 BTM CORPORATION 300 DAVIS ROAD MARYSVILLE MI 48040 Tel 810 364 4567 Fax 810 364 6178 www btmcorp com 6 User s Guide BTM STC Model Tri Lok Clamps J 11 Proper Application Specifications 11 1 Clamping Force PIVOT POINT ST C52 Force Output Formulas 16 500 x LINE PRESSURE BARS 10 x LINE PRESSURE PSI NEWTONS POUNDS LENGTH mm FROM POINT TO LENGTH in FROM POINT A TO CENTER LINE OF CLAMPING CENTER LINE OF CLAMPING CONTACT AREA ON CLAMP ARM CONTACT AREA ON CLAMP ARM STC62 46 500 x LINE PRESSURE BARS 28 5 x LINE PRESSURE PSI de In NEWTONS POUNDS LENGTH mm FROM POINT A TO LENGTH in FROM POINT A TO CENTER LINE OF CLAMPING CENTER LINE OF CLAMPING CONTACT AREA ON CLAMP ARM CONTACT AREA ON CLAMP
17. ty switch positions must be changed accordingly see 9 1 below 9 REAR CUSHION 30 10 REAR CUSHION 45 52 USHION 90 USHION 105 15 USHION 120 REAR CUSHON 30 726007A 10 REAR CUSHION 45 i STC 62 12 USHION 75 13 USHION 90 14 USHION 100 15 USHION 120 5 REAR CUSHION 30 726504 10 REAR CUSHION 45 n STC 82 12 REAR CUSHION 75 13 REAR CUSHION 90 Make sure the clamp is in the open position 15 REAR CUSHION 120 726501G Unscrew 4 S H C S to remove the End Cap Remove the S H C S holding the rear cushion and piston to the piston rod Pull out the rear cushion Details 9 15 Replace Rear Cushion with the appropriate detail to achieve required degree of opening Use Blue Loc Tite on Cushion Piston screws and apply a thin coat of grease to underside of screw head Tighten screw to appropriate torque see below NOTE A cushion alignment tool must be used to prevent the piston from rotating when the screw is tightened 6 Reassemble End Cap and torque screws to appropriate torque see below 9 1 If the clamp is equipped with a status controlloer switch block 7 Remove screws securing the switch block and remove the block 8 Reposition the rear proximity sensor to the appropriate location and reassemble Make sure the wires are properly packed and the o ring seal beneath
18. unting Within 005 005 Ref i 6 From Pivot Point 082006 BTM CORPORA 300 DAVIS ROAD MARYSVILLE MI 48040 Tel 810 364 4567 Fax 810 364 6178 www btmcorp com STC Series TRI LOK Oval Power Clamps User s Guide Warranty BTM Corporation warranties its STC Clamps against defects in material and work manship for for the life of the tool which the clamp was originally sold for This warranty is limited to replacing or repairing at BTM s option F O B BTM s factory any part found by BTM to be defective in materials and or workmanship Any application of a BTM product outside the intended use of the product shall not be warranted by BTM Corporation Furthermore BTM will not be liable for any expenses incurred for repairs or replacement made outside BTM s facilities without written consent or damages arising out of such replacements or repairs Under no circumstances will BTM be held responsible for any consequential damages The warranty is limited to the repair or replacement of the defective part s and does not include installation This warranty is the only warranty extended by the seller in connection with any sale made hereunder andis in lieu of all other warranties express implied or statutory including warranties of merchant ability and fitness for purpose BTM CORPORATION 300 DAVIS ROAD MARYSVILLE MI 48040 Tel 810 364 4567 Fax 810 364 6178 www btmcorp com
19. urve consider using an STC62 25 50 75 100 150 Distance From Pivot Point mm If application falls above this curve consider using STC82 25 50 75 100 127 150 175 200 225 250 275 Distance From Pivot Point mm 13 6 5 122 10 9 N If application falls above N this curve use 2 39 N clamps joined at the 8 1 NC clamp hub Contact 6 8 BTM for details 5 4 4 1 CI 1 4 150 175 200 225 250 280 300 330 350 380 400 430 Distance From Pivot Point mm 082006 30 0 lt 26 9 24 0 21 0 17 9 15 0 11 9 9 0 6 0 If application falls above this curve consider x using an STC62 1 0 2 0 3 0 4 0 5 0 6 0 Distance From Pivot Point inches If application falls above this curve consider using an STC82 P N 10 20 30 40 50 60 7 0 8 0 9 0 10 0 11 0 Distance From Pivot Point inches If application falls above this curve use 2 clamps joined at the clamp hub Contact BTM for details 3 0 6 0 7 0 8 0 9 0 10 0 11 0 12 0 13 0 14 0 15 0 16 0 17 0 Distance From Pivot Point inches BTM CORPORATION 300 DAVIS ROAD MARYSVILLE MI 48040 Tel 810 364 4567 Fax 810 364 6178 www btmcorp com 6 User s Guide BTM STC Model Tri Lok Clamps 12 Manual Unlock Release button Old Style Older model STC clamps are equipped with a release button which allow
Download Pdf Manuals
Related Search