User Manual
Contents
1. WE 200SV HORIZONTAL METAL CUTTING BAND SAW Study Carefully Before Operating Specifications SvVvse w Capacity g an Blade Size 20 x 0 9 x 2110 mm Blade Speed 50Hz 25 85 m min 90 165 160x160mm 200 x85 Motor 1 1kW 1 5HP DC Motor 45 125mm 120 x 120mm Packing Size L xWxH 1156 x 572 x 826 mm 60 70 mm 60 x 60 mm Weight NW 154 kgs GW 168 kgs 5 2009 Contents Chapter 1 ACCIDENT PREVENTION AND SAFETY REGULATION 1 1 Advice forthe Operator 1 2 The Electrical Equipment According to European Standard CENELEC EN 60 204 1 1992 1 3 Emergencies According to European Standard CENELEC EN 60 204 1 1992 Chapter 2 MACHINE DIMENSIONS TRANSPORT INSTALLATION DISMANTLING 2 1 Machine Dimensions 2 2 Transportation of Your Machine 2 3 Minimum Requirements for Housing the Machine 2 4 Anchoring the Machine 2 5 Instructions for Assembly of the Loose Parts and Accessories 2 6 Deactivation of Machine 2 7 Dismantling pp Chapter 3 THE MACHINE S FUNCTIONAL PARTS 8 NE SAW ON 3 2 Controls 3 9 Vise Adjustment 3 4 Cutting Angle Adjustment 3 5 The Base Chapter 4 OPERATING AND ADVICE ON USING YOUR BANDSAW 4 1 The Operation 4 2 Recommendations for Using the Machine Chapter 5 ADJUSTING YOUR MA2. hardening and termpering and for 35CrMo4 39NiCrMo4 34CrMo4 36CrMiMo4 41C rAIMo7 35CD4 39NCD4 40CADG12 41CrAIMo7 18NiCrMo7 20 NiCrMo2 nitriding _ Alloyed casehardening steels Alloyed for bearings m 20NCD7 20NCD2 100C6 21 NiCrMo2 100Cr6 SeNICrMoV7CTOOK C100W1 X210Cr12 100Cr6 52NICrMoOKU C100KU X210Cr13KU 58SiMoBKU X12Cr13 Stainless XSCrNi1810 steels X8CrNi1910 IX8CrNiMo1713 Aluminium copper alloy Z200C12 Y60SC7 Tool steel 4001 4301 25CN18 09 Copper alloys s Special brass Bronze N anganese bronze SAE43 SAE430 hosphor bronze G CuSni2 UNI 7013 2a 7 pig iron G25 Spheroidal graphite cast iron GS600 Malleable cast iron W40 05 Cast iron I 805 20 ZOCDNIT 12 905 39 7 TECHNICAL CHARACTERISTICS 7 1 Table of Cutting Capacity and Technical Details CUTTING CAPACITY 160x160mm 200x85mm 0 165mm 45 125mm 120x120mm 60 70mm 60x60mm DC ELECTRIC BLADE MOTOR FLYWHEEL DIAMETER BLADE DIMENSIONS BLADE SPEED CUTTING OPENING VICE SAW FRAME TILTING HEIGHT WORKING TABLE HEIGHT MACHINE WEIGHT 1 1kW 240mm 20 x 0 9 x 2110mm 25 85m min 200mm 50 890mm 154kgs ardness AISI SAE jeji 430 560 5 1 026990 1140 1330 1220 1400 930 1130 760 1030 690 980 325 4315 800 1030 710 980 B20 1
3. that must stand as shown in the picture Before starting each cutting operation ensure that the part is firmly clamped in the vise and that the end is suitably supported These figures below show examples of suitable clamping of different section bars bearing in mind the cutting capacities of the machine in order to achieve a good efficiency and blade durability Do not use blades of a different size from those stated in the machine specifications If the blade gets stuck in the cut release the running trigger button immediately switch off the machine open the vise slowly remove the part and check that the blade or its teeth are not broken If they are broken change the blade Before performing any repairs on the machine consult the dealer 5 ADJUSTING YOUR MACHINE 5 1 Blade Tension Assembly Blade tension is important to the proper operation of the saw Proper blade tension is 700 to 900 kg mm To set the blade tension Disconnect the machine from the power source Install blade between wheel and insert blade between bearings on blade guides Tension blade slightly to remove any sag in blade between blade wheels Turn blade tension wheel L one and three quarter to two revolutions clockwise To test press the flat side of the blade with your thumb if moves with 2mm 3mm range then it is set correctly After blade has been completely installed close covers connect the power source and ru
4. NOISE TESTS coli bti hei ies el edito oro 10 Chapter 10 WIRING DIAGRAM 11 Chapter 11 TROUBLESHOOTING 11 1 Blade and Cut Diagnosis 12 Chapter 12 MACHINE COMPONETS 16 12 2 Explosion Drawings 18 1 ACCIDENT PREVENTION AND SAFETY REGULATION This machine has been designed to comply with national and community accident prevention regulations Improper use and or tampering with the safety devices will relieve the manufacturer of all responsibility 1 1 Advice for the Operator Check that the voltage indicated on machine motor is the same as the line voltage Check the efficiency of your electric supply and grounding system connect the power cable of the machine to the socket and the ground lead yellow green in color to the grounding system When the saw frame is in suspended mode or raised the blade must not move Only the blade section used for cutting must be kept unprotected To adjust the blade guards use on the blade guides It is forbidden to use the machine without its shields Always disconnect the machine from the power Socket before blade change or carrying out any maintenance job even in the case of abnormal machine operation Always wear suitable eyes protection Never put your hands or arms into the cutting area while the machine is operating Do not shift the
5. bar stop the work piece supporter pump swing arm and the coolant return plate for the support of the material The base houses the cooling liquid tank 4 OPERATING AND ADVICE ON USING YOUR BANDSAW 4 1 The Operation Cycle Before operating the machine all the main parts of the machine must be set to the optimum conditions Operation Procedure Raise the saw arm to the highest position Load work piece and clamp it properly According to the material to choose the blade speed and turn on the power switch A to the right position Check to see that the indicator light D is lit Press the trigger start switch E The coolant system should activate at the same time Pull the manual operation handle E down to start cutting After the cut is completed release the trigger start switch E the machine will shut down Manually raise the saw arm to the highest position for the next cut If occur an emergency situation Press the emergency push button B down to shut off all functions To release the emergency pushbutton rotate the mushroom shaped button in the clockwise direction The button will pop up then the cutting cycle can be restarted 4 2 Recommendations for Using the Machine The machine has been designed to cut metal building materials with different shapes and profiles used in workshops turner s shops and general mechanical structural work Only one operator is needed to use the machine
6. cutting pressure Pay more attention when you start cutting Use a superior quality blade Accurately remove all the parts left in Make the cut elsewhere turning the part Check gripping of the part Replace blade with a more suitable one See Material classification and blade selection in the Blade Types section Adjust blade guide pads Check level of liquid in the tank Increase the flow of lubricating refrigerant checking that the hole and the liquid outlet pipe are not blocked Check the emulsion percentage Turn teeth to correct direction FAULT PREMATURE BLADE WEAR BLADE BREAKAGE PROBABLE CAUSE Faulty running in of blade Teeth positioned in the direction opposite the cutting direction Poor quality blade Too fast advance Wrong cutting speed Defects on the material or material too hard Insufficient lubricating refrigerant or wrong emulsion Faulty welding of blade Too fast advance Wrong cutting speed Wrong tooth pitch Ineffective gripping of the part in the vice Blade touching material at beginning of cut Remedy REMEDY See Material classification and blade selection in the Blade running in section Turn teeth in correct direction Use a superior quality blade Decrease advance exerting less cutting pressure Adjust the braking device Change speed and or type of blade See chapter on Material classification and blade selection in the section
7. machine while it is cutting Do not wear loose clothing like shirts with sleeves that are too long gloves that are too big bracelets chains or any other object that could get caught in the machine during operation Tie back long hair Keep the area free of equipment tools or any other object Perform only one operation at a time Never have several objects in your hands at the same time Keep your hands as clean as possible All internal operations maintenance or repairs must be performed in a well lit area or where there is sufficient light from extra sources so as to avoid the risk of even slight accidents 1 2 The electrical equipment according to European Standard CENELEC EN 60 204 1 which assimilates with some integrating modifications the publication IEC 204 1 1992 The electrical equipment ensures protection against electric shock as a result of direct or indirect contact The active parts of this equipment are housed in a box to which access is limited by screws that can only be removed with a special tool the parts are fed with alternating current as low voltage 24V The equipment is protected against splashes of water and dust Protection of the system against short circuits is ensured by means of rapid fuses and grounding in the event of a motor overload protection is provided by a thermal probe In the event of a power cut the specific start up button must be reset The machine has been t
8. they are not too loose and adjust blocks vertically bring into line the position of the degrees and if necessary adjust the stop screws of the degree cuts Check and vertically re adjust the blade guide blocks reset proper side guide play see Chapter Machine adjustments In Blade guide section Decrease advance exerting less cutting pressure Adjust the braking device Approach it as near as possible to material to be cut so that only the blade section employed in the cut is free this will prevent deflections that would excessively stress the blade Replace it Blade with major density of teeth is being used try using one with less teeth see Chapter Material classification and blade selection in the Blade Types section FAULT FAULTY CUT STREAKED CUTTING SURFACE NOISE ON GUIDE BLOCKS PROBABLE CAUSE Broken teeth Insufficient lubricating refrigerant or wrong emulsion Worn out flywheels Flywheel housing full of chips Too fast advance Poor quality blade Worn out blade or with chipped and or broken teeth Wrong tooth pitch Blade guide block too far from material to be cut Insufficient lubricating coolant or wrong emulsion Chipped bearings Worn out or damaged pads REMEDY Irregular work of the blade due to the lack of teeth can cause deflection in the cut check blade and if necessary replace it Check level of liquid in the tank Increase the flow of lubricating coolant ch
9. 060 800 1030 670 885 590 685 5 1 D6 D3 S5 BS 1 BD2 BD3 304 C 12 316 5 16 1 1 Fe4N ecial manganese silicon 558 CuZn3eSiiPbi UNI5038 8 MATERIAL CLASSIFICATION AND CHOICE OF TOOL Since the aim is to obtain excellent cutting quality the various parameters such as hardness of the material shape and thickness transverse cutting section of the part to be cut selection of the type of cutting blade cutting speed and control of saw frame lowering These specifications must therefore be harmoniously combined in a single operating condition according to practical considerations and common sense so as to achieve an optimum condition that does not require countless operations to prepare the machine when there are many variations in the job to be performed The various problems that crop up from time to time will be solved more easily if the operator has a good knowledge of these specifications 8 1 Definition of materials The table above lists the characteristics of the materials to be cut So that the correct tools to use can be chosen 8 2 Selecting blade First of all the pitch of the teeth must be chosen in other words the number of teeth per inch 25 4 mm suitable for the material to be cut according to these criteria Parts with a thin and or variable section such as profiles pipes and plate need close tooth pitch so that the number of teeth used simultaneously in cutt
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11. Blade selection table according to cutting and feed speed Material surfaces can be oxidized or covered with impurities making them at the beginning of the cut harder that the blade itself or have hardened areas or inclusions inside the section due to productive agents used such as casting sand welding wastes etc Avoid cutting these materials or perform cutting with extreme care cleaning and remove such impurities as quickly as possible Check level of liquid in the tank Increase the flow of lubricating coolant checking that the coolant nozzle and pipe are not blocked Check the emulsion percentage The welding of the blade is of utmost importance The meeting surfaces must perfectly match and once they are welded they must have no inclusions or bubbles the welded part must be perfectly smooth and even They must be evenly thick and have no bulges that can cause dents or instant breakage when sliding between the blade guide pads Decrease advance exerting less cutting pressure Adjust the braking device Change speed and or type of blade See chapter on Material classification and blade selection in the section Blade selection table according to cutting and feed speed Choose a suitable blade See Chapter Material classification and blade selection Check the gripping of the part At the beginning of the cutting process never lower the saw bow before starting the blade motor FAULT STEAKED O
12. CHINE 5 1 Blade Tension Assembly 5 2 Aligning the 5 3 Checking the Adjustment of the Blade 5 4 Adjusting the Blade Guide 5 5 Changing the Blade Chapter 6 ROUTINE AND SPECIAL MAINTENANCE 6 1 Daily Maintenance 7 6 2 Weekly Maintenance 7 6 3 Monthly 7 6 4 Six monthly Maintenance 7 6 5 Oils for Lubricating Coolant 7 6 6 Oil DIS DOS alesis eni 7 6 7 Goolant SyStelm usciti avere eed ratios 7 6 G The G edliDOX 8 6 9 Special Maintenance 8 Chapter 7 TECHNICAL CHARACTERISTICS 7 1 Table of Cutting Capacity and Technical Details 9 8 Chapter 8 MATERIAL CLASSIFICATION AND CHOICE OF TOOL 8 1 Definition of Materials 9 8 2 Selecting 9 So lesin PICI eR MN UNS 9 8 4 Cutting and Advance 5 9 8 5 Blade Running in pp 9 8 6 Blade Structure 9 9 7 Blade Type 9 Chapter 9
13. R ETCHED BANDS CUTS OFF THE STRAIGHT PROBABLE CAUSE Blade guide pads not regulated or dirty because of lack of maintenance Blade guide block too far from material to be cut Improper position of blade on flywheels Insufficient lubricating coolant or wrong emulsion Damaged or chipped blade guide pads Tight or slackened blade guide bearings Blade not parallel as to the counter service Blade not perpendicular due to the excessive play between the guide pads and maladjustment of the blocks Too fast advance Worn out blade Wrong tooth pitch REMEDY Check distance between pads see Machine adjustments in the Blade Guide Blocks section extremely accurate guiding may cause cracks and breakage of the tooth Use extreme care when cleaning Approach head as near as possible to material to be cut so that only the blade section employed in the cut is free this will prevent deflections that would excessively stress the blade The back of blade rubs against the support due to deformed or poorly welded bands tapered causing cracks and swelling of the back contour Check level of liquid in the tank Increase the flow of lubricating refrigerant checking that the hole and the liquid outlet pipe are not blocked Check the emulsion percentage Replace them Adjust them see Chapter Machine adjustments in Blade guide section Check fastenings of the blade guide blocks as to the counter vice so that
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15. ase below the pump Allow the coolant to drain out Remove the coolant return tray S by loosening the four setscrews Remove the pump T by loosening the four seiscrews Use a vacuum cleaner to vacuum chips and debris from the tank Replace the plug Thoroughly clean the pump T and replace Fill the tank with coolant to approximately 25mm below the grate S Replace the grate S 6 8 The Gearbox The gearbox requires periodic changing of oil The oil must be changed by the first 6 months of a new machine and every year thereafter To change the gear box oil Disconnect the machine from the power source Raise the saw bow to vertical position Release the drain hole V to draw off gear oil by loosening the oil fill bolt U Replace the drain plug bolt V after oil completely flows off Place the saw bow back to horizontal position Fill Gearbox with approximately 3 liter of gear oil through the hole of the oil fill bolt U For reference use SHELL type gear oil or Mobile gear oil 90 6 9 Special Maintenance Special maintenance must be conducted by skilled personnel We advise contacting your nearest dealer and or importer Also the reset of protective and safety equipment and devices of the reducer the motor the motor pump and other electrical components requires special maintenance TYPES OF STEEL Construction steels 50Crv4 steels Alloyed steels for
16. ecking that the hole and the liquid outlet pipe are not blocked Check the emulsion percentage The support and guide flange of the band are so worn out that they cannot ensure the alignment of the blade causing faulty cutting blade rolling and drawing tracks can have become tapered Replace them Clean with compressed air Decrease advance exerting less cutting pressure Adjust the braking device Use a superior quality blade Replace it Blade used probably has too large teeth use one with more teeth see Material classification and blade selection in the B ade Types section Approach it as near as possible to material to be cut so that only the blade section employed in the cut is free this will prevent deflections that would excessively stress the blade Check level of liquid in the tank Increase the flow of lubricating coolant checking that the hole and the liquid outlet pipe are not blocked Check the emulsion percentage Dirt and or chips between blade and guide bearings Replace them Replace them PART LIST s sasen mee 2 ______ 7 Ball Bearing 51104 47 Hex Bolt 12 40 fe eating I 9 Cont Box Bracket comas Dr Compress Spine ofe Movabie
17. erial that gums Defects on the material or material too hard Ineffective gripping of the part in the vise The blade gets stuck in the material Starting cut on sharp or irregular section bars Poor quality blade Previously broken tooth left in the cut Cutting resumed on a groove made previously Vibrations Wrong tooth pitch or shape Insufficient lubricating refrigerant or wrong emulsion Teeth positioned in the direction opposite the cutting direction REMEDY Decrease advance exerting less cutting pressure Adjust the braking device Change speed and or type of blade See chapter on Material classification and blade selection in the section Blade selection table according to cutting and feed speed Choose a suitable blade See Chapter Material classification and blade selection Check for clogging of coolant drain holes on the blade guide blocks and that flow is plentiful in order to facilitate the removal of chips from the blade Material surfaces can be oxidized or covered with impurities making them at the beginning of the cut harder that the blade itself or have hardened areas or inclusions inside the section due to productive agents used such as casting sand welding wastes etc Avoid cutting these materials or in a situation a cut has to be made use extreme care cleaning and remove any such impurities as quickly as possible Check the gripping of the part Reduce feed and exert less
18. ested in conformity with point 20 of EN 60204 1 3 Emergencies according to European Standard CENELEC EN 60 204 1 1992 In the event of incorrect operation or of danger conditions the machine may be stopped immediately by pressing the red mushroom button The casual or voluntary removal of the protection shield of the flywheels causes the stepping in of a micro switch that automatically stops all machine functions NOTE Resetting of machine operation after each emergency stop requires specific restart button 2 MACHINE DIMENSIONS TRANSPORT INSTALLATION DISMANTLING 2 1 Machine Dimensions 1700mm 1420mm 2 2 Transportation of Your Machine To move the machine the machine needs to be moved in its own packing use a forklift to move it 2 3 Minimum Requirements for Housing the Machine Main voltage and frequency must comply with the machine s motor requirements Environment temperature should fall within 10 C to 50 Relative humidity cannot be over 90 2 4 Anchoring the Machine Position the machine on a firm cement floor maintaining at the rear a minimum distance of 800 mm from the wall anchor it to the ground as shown in the diagram using screws and expansion plugs or tie rods sunk In cement ensuring that it is sitting level 2 5 Instructions for Assembly of the Loose Parts and Accessories Fit the components supplied Detail 1 Mount bar stop rod Detail 2 Mount and a
19. ing is from 3 to 6 Parts with large transverse sections and solid sections need widely spaced tooth pitch to allow for the greater volume of the shavings and better tooth penetration Parts made of soft material or plastic light alloys mild bronze Teflon wood etc also require widely spaced tooth pitch Pieces cut in bundles require combo tooth design 8 3 Teeth pitch As already stated this depends on the following factors Hardness of the material Dimensions of the section Wall thickness BLADE TEETH SELECTION TABLE MBO Fron 108 9 9 8 FROM3To5 6 Fama Toe 5 M MM THICKNESS lw wh mm 86 Q DIAMETER L WIDTH 8 4 Cutting and advance speed The cutting speed m min and the advance speed cm min area traveled by the disk teeth when removing shavings are limited by the development of heat close to the tips of the teeth The cutting speed is subordinate to the resistance of the material N mm to its hardness HRC and to the dimensions of the widest section Too high an advance speed lowering of the saw frame tends to cause the disk to deviate from the ideal cutting path producing non rectilinear cuts on bath the vertical and the horizontal plane The best combination of these two parameters can be seen directly exami
20. ing of the blade to avoid useless yield stress Check functionality of the shields and emergency Stops 6 2 Weekly Maintenance Thorough cleaning of the machine to remove shavings especially from the lubricant fluid tank Removal of pump from its housing cleaning of the suction filter and suction zone Clean the filter of the pump suction head and the suction area Use compressed air to clean the blade guides guide bearings and drain hole of the lubricating cooling Cleaning flywheel housings and blade sliding surfaces on flywheels 6 3 Monthly Maintenance Check the tightening of the motor flywheel screws Check that the blade guide bearings on the heads are perfect running condition Check the tightening of the screws of the gear motor pump and accident protection guarding 6 4 Six Monthly Maintenance Continuity test of the potential protection circuit 6 5 Oils for Lubricating Coolant Considering the vast range of products on the market the user can choose the one most suited to their own requirements using as reference the type SHELL LUTEM OIL ECO THE MINIMUM PERCENTAGE OF OIL DILUTED IN WATER IS 8 10 96 6 6 Oil Disposal The disposal of these products is controlled by strict regulations Please see the Chapter on Machine dimensions Transport Installation in the section on Dismantling 6 7 Coolant system Cleaning the tank Use hex wrench to open the plug located on the b
21. lign the roll supporting arm as per the vise table 2 6 Deactivation of Machine If the sawing machine is to be out of use for a long period it is advisable to proceed as follows 1 Detach the plug from the electric supply panel 2 Loosen blade 3 Release the saw bow s counter balance spring 4 Empty the coolant tank 5 Carefully clean and grease the machine 6 If necessary cover the machine 2 7 Dismantling due to deterioration and or obsolescence General rules If the machine is to be permanently demolished and or scrapped divide the material to be disposed of according to type and composition as follows 1 Non composite cast iron or ferrous materials are recyclable raw materials so they may be taken to an iron foundry for re smelting after having removed the contents classified in point 3 2 Electrical components including the cable and electronic material magnetic cards etc fall within the category of material classified as being assimilated to urban waste according to the laws of your local state or federal government so they may be set aside for collection by the public waste disposal service 3 Old mineral and synthetic and or mixed oils emulsified oils and greases are considered hazardous or special refuse so they must be collected transported and disposed of at a special waste disposal service NOTE The standards and legislation concerning refuse is in a constant state of evolution theref
22. materials plastics and wood This type of blade is the most suitable for the cutting of section bars and large and thick pipes as well as for the cutting of solid bars at maximum machine capacity Available pitches 3 4 4 6 9 NOISE TESTS The test was held under environmental noise levels of 65db Noise measurements with the machine operating unload was 71db Noise level during the cutting of mild carbon steel was 73db NOTE with the machine operating the noise level will vary according to the different materials being processed The user must therefore assess the intensity and if necessary provide the operators with the necessary personal protection as required by Law 277 1991 10 10 WIRING DIAGRAMS JA 89 HOLOW av JO V T8 HOLOW uusro Mg 2 L rS CF 4 H2d ya MS cd 285 2 LW IM ay CP 3015 3 185 a 3 LM 7 2 Ji 33 GD Ao wa DE io 2 CI ML fd aD LL MI 5 I 3 gt a F SEE 11 TROUBLESHOOTING This chapter lists the probable faults and malfunctions that could occur while the machine is being used and suggests possible remedies for solving them 11 1 Blade and cut diagnosis FAULT TOOTH BREAKAGE PROBABLE CAUSE Too fast advance Wrong cutting speed Wrong tooth pitch Chips sticking onto teeth and in the gullets or mat
23. n saw for two to three sec so blade can seat properly Disconnect machine from the power source Open cover and loosen blade just until it begins to Sag Tighten blade until it becomes straight between blade wheel and all sag has been eliminated Tighten blade by turning blade tension wheel two full revolutions Blade is now property tensioned and ready for use Close covers and connect machine to the power source 5 2 Aligning the Flywheel The flywheel s alignment may need adjustment to allow the saw blade to track correctly Poor flywheel alignment can cause damage to the saw blade or to allow the blade to ride off the blade wheels set screw D Raise the saw bow to a usable work height Disconnect the power supply Loosen the Hex nut screws A B and C Use and Allen wrench on setscrew D to adjust the tilt of the flywheel Turning the setscrew D clockwise will tilt flywheel so that the blade will ride closer to the flange Turning the setscrew D counter clockwise will tilt the flywheel so that the blade will ride away from the flange If the blade rides too far then it will come off After the adjustment is finished fasten the Hex nut screws in this order A B and C TOP VIEW tilt blade rides away fram the flange tilt blade rides towards the flange Flange 4 set screw D 5 3 Checking the Adjustment of Blade Use a strip of scrap paper and slide it between the blade and the flywheel
24. ning the chips Long spiral shaped chips indicate ideal cutting Very fine or pulverized chips indicate lack of feed and or cutting pressure Thick and or blue chips indicate overload of the blade 8 5 Blade running in When cutting for the first time it is good practice to run in the tool making a Series of cuts at a low advance speed 30 35 cm min material of average dimensions with respect to the cutting capacity and solid section of normal steel with R 410 510 Generously spraying the cutting area with lubricating coolant 8 6 Blade structure Bi metal blades are the most commonly used They consist of a silicon steel blade backing by a laser welded high speed steel HHS cutting edge The type of stocks are classified in M2 M42 M51 and differ from each other because of their major hardness due to the increasing percentage of Cobalt Cc and molybdenum Mo contained in the metal alloy 8 7 Blade type They differ essentially in their constructive characteristics such as Shape and cutting angle of tooth Pitch Set Shape and angle of tooth REGULAR TOOTH C rake and constant pitch SETS E Saw teeth bent out of the plane of the saw body resulting in a wide cut in the workpiece Most common form for transversal or inclined cutting of solid small and average cross sections or pipes in laminated mild steel and gray iron or general metal REGULAR OR RAKER SET Cutting teeth righ
25. ntric bearing closer to the blade BEFORE PERFORMING THE FOLLOWING OPERATIONS THE ELECTRIC POWER SUPPLY AND THE POWER CABLE MUST BE COMPLETELY DISCONNECTED 5 5 Changing the Blade To change the blade Lift the saw bow Loosen the blade with the blade tension hand wheel remove the mobile blade guard cover P open the blade wheel guards Q by removing four tighten thumbscrew and remove the old blade from the blade wheels and the blade guide blocks Assemble the new blade by placing it first between the pads and then on the race of the blade wheels paying particular attention to the cutting direction of the teeth Tension the blade and make sure it perfectly fits inside the seat of the flywheels Assemble the mobile blade guide end the blade wheel guard and fasten it with the relative knobs i a BLADE CUTTING DIRECTION _ _ F ri Ps j 6 ROUTINE AND SPECIAL MAINTENANCE THE MAINTENANCE JOBS ARE LISTED BELOW DIVIDED INTO DAILY WEEKLY MONTHLY AND SIX MONTHLY INTERVALS IF THE FOLLOWING OPERATIONS ARE NEGLECTED THE RESULT WILL BE PREMATURE WEAR OF THE MACHINE AND POOR PERFORMANCE 6 1 Daily maintenance General cleaning of the machine to remove accumulated shavings Clean the lubricating coolant drain hole to avoid excess fluid Top off the level of lubricating coolant Check blade for wear Rise of saw frame to top position and partial slacken
26. ore is subject to changes The user must keep informed of the regulations at the time of disposal as these may differ from those described above 3 THE MACHINE S FUNCTIONAL PARTS 3 1 The Saw Bow The saw bow is a collection of machine parts consisting of a saw bow drive members gears transfer motor blade wheel blade tension system blade guides and blade guards The WE 200SV model equipped with adjustable counter balance spring 3 2 Controls 3 4 Cutting Angle Adjustment Main power switch Emergency Push Button Variable Blade Speed Adjusting Knob Power Indicator Light ON OFF Trigger switch and Cutting Handle 3 3 Vise Adjustment Clamping the Work Piece Place the work piece between the vise jaws and have it rest next to the fixed vise jaw Rotate the hand wheel clockwise to close the free vise jaw near to the work piece Rotate the hand wheel G counter clockwise to release Lever H can be used to rapidly lock and release the work piece by allowing a shallow gap between the vise and work piece Then rotate lever H counter clockwise to lock and clockwise to release Cutting at angles Angle can be cut up to 60 Unlock lever I by pushing it to the left side Rotate the saw bow to the desired angle by following the index on the scale Lock lever by pushing to the right side 3 5 The Base The base is a structure supporting the saw bow the vise the
27. t and left alternated by a straight tooth POSITIVE RAKE TOOTH 9 10 positive rake and constant pitch positive 7 Of amens use for materials with dimensions superior to 5 mm Used for the cutting of steel castings and hard nonferrous materials WAVE SET Set in smooth waves Particular use for crosswise or inclined cuts in solid sections or large pipes but above all harder materials highly alloyed and stainless steels special bronze and forge pig iron COMBO pitch varies between teeth and This set is associated with very fine teeth and it is consequently varying teeth size and varying gullet mainly used for the cutting of pipes and thin section depths Pitch varies between teeth which ensuresa bars from 1 to 3 mm smoother quieter cut and longer blade life owing to the lack of vibration ALTERNATE SET IN GROUPS Groups of cutting teeth right and left alternated by a straight tooth distance between teeth This set is associated with very fine teeth and it is used for extremely thin materials less than 1mm Another advantage offered in the use of this type of ALTERNATE SET INDIVIDUAL TEETH Cutting blade in the fact that with an only blade itis possible teeth right and left to cut a wide range of different materials in size and riririririr COMBO TOOTH 9 10 positive rake positive 1 _ This set is used for the cutting of nonferrous soft
28. while it is running f the paper is cut then the blade is riding too close to the flange Readjust f the paper folds or creases then the blade is seated properly f you notice that the blade is riding away from the flange then readjust flywheel blade direction 5 4 Adjusting the Blade Guide Disconnect the machine from the power source Release the extension bar for the blade guide block Loosen the bolt N to loosen the clamping block Hold the revolving handle M and slide the blade guide block to be as close as possible to the material without interfering with the cut Tighten the bolt N Reconnect the machine to power source Blade Guide Blocks The blade is guided by means of roller bearings placed during inspection as per the thickness of the blade with a minimum amount of play Gr NS guide bearings guide bearings adjusting mut eccentric bearings In case the blade needs to be replaced make sure to always install 0 9mm thick blades for which the blade guide bearing have been adjusted In the case of toothed blades with different thickness adjustment should be carried out as follows From the bottom of the guide blocks use a wrench on the adjusting nut of the eccentric bearing Turning the adjusting nut clockwise will move the eccentric bearing away from the blade Turning the adjusting nut counter clockwise will move the ecce
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