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Toolots 912 Series Instruction Manual

Metal cutting band saw machine
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METAL CUTTING BAND
SAW MACHINE
MODEL 912 SERIES
INSTRUCTION MANUAL
1

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  • Page 1 METAL CUTTING BAND SAW MACHINE MODEL 912 SERIES INSTRUCTION MANUAL...

  • Page 3: Safety Rules For All Tools

    WARNING: FALURE TO FOLLOW THESE RULES MAY RESULT IN SERIOUS PERSONAL INJURY As with all machinery there are certain hazards involved with operation and use of the machine. Using the machine with respect and caution will considerably lessen the possibility of personal injury. However, if normal safely precautions are overlooked or ignored, personal injury to the operator may result.
  • Page 4 (6). DRUGS, ALCOHOL, MENICATION. Do not operate tool while under the influence of drug, alcohol or any medication. (7). MAKE SURE TOOL IS DISCONNECTED FROM POWER SUPPLY. While motor is being mounted, connected or reconnected. (8). ALWAYS keep hands and fingers away from the blade. (9).
  • Page 5 direction of rotation of the blade or cutter only. (9). ADJUST AND POSRTION the blade guide arm before starting the cut. (10). KEEP BLADE GUIDE ARM TIGHT, A loose blade guide arm will affect sawing accuracy. (11). MAKE SURE blade speed is set correctly for material being cut. (12).

  • Page 6: Maintenance

    environment. E. MAINTENANCE (1). DISCONNECT machine from power source when making repairs. (2). CHECK DAMAGED PARTS. Before further use of the tool, a guard par that is damaged should be carefully checked to ensure that it will operate properly and perform its intended function check for alignment of moving parts, binding of moving parts, breakage of parts, mounting, and any other conditions that may affect its operation.

  • Page 7: Safety Device

    machine bed and vise. F. SPECTIFIED USAGE: This machine is used only fir general cutting within the range of cutting capacity. G. NOISE A weighted sound pressure level: 80 dB H. SAFETY DEVICE: By the time the saw arm cover is opened, the interlock switch will function to stop the machine, do not remove this switch from machine for any reason, and check its function frequently.

  • Page 8: Transportation Of Machine

    2. TRANSPORTATION OF MACHINE: Unpacking 1. Transportation to desired location before unpacking, please use lifting jack. (Fig. B) 2. Transportation after unpacking, please use heavy duty fiber belt to lift p the machine. ALLWAYS KEEP PROPER FOOTING &BALANCE WHILE MOVING THIS MACHINE. As this machine weight 155kg.

  • Page 9: Minimum Room Space For Machine Operation

    (5). KEEP machine always out from sun, dust, wet, raining area. 6. MINIMUM ROOM SPACE FOR MACHINE OPERATION 7. MAKE PROPER TOOTH SELECTION For maximum cutting efficiency and lowest cost pre cut, it is important to select the blade with the right number of teeth per inch (TPI) for the material being cut.

  • Page 10: Bi-Metal Speeds And Feeds

    Locate the width of cut on the chart. (Inches on the outer circle and millimeters on the inner circle.) Select the tooth pitch on the ring marker with the square shape which aligns with the width of cut. EXAMPLE: 6” (150mm) square, use a 2/3 Vari-Tooth. ●...
  • Page 11 These figures are a guide to cutting 4”(100mm) material (with a 314 Vari-tooth when using a cutting fluid. Increase Band Speed: 15% When cutting 1/4” (6.4mm) material (10/14 Vari-Tooth) 12% When cutting 3/4” (19mm) material ( 6/10 Vari-Tooth ) 10% When cutting 1-1/4” (32mm) material ( 5/8 Vari-Tooth ) 5% When cutting 2-1/2”...
  • Page 12 1008,1015,1020,1025 1035 1018,1021,1022 1026,1513 A36 (SHAPES),1040 1042,1541 Carbon 1044,1045 Steel 1060 1095 Ni-Ci-Mo 8615,86120,8622 Alloy Steel 4340,E4340,8630 Ni-Ci-Mo 8640 Alloy Steel E9310 Tool Steel A-10 H-11,H-12,H-13 Stainless Steel 410,502 440C 304,324 304L...

  • Page 13: Telltale Chips

    316,316L TELLTALE CHIPS Chips are the best indicator of correct feed force. Monitor chip information and adjust feed accordingly. Thin or powdered chips-increase feed rate or reduce band speed. Burned heavy chips-reduce feed rate and/or band speed. Curly silvery and warm chips-optimum feed rate band speed. 9.

  • Page 14: Operation

    mounting plate to the Guard plate through the slotted hole in the Guard plate. These components also serve to position and lock the motor in place for proper speed/ belt adjustment. (3). Place the spacer over the long Bolt and secure it wit the nut. (4).

  • Page 15: Work Stop Adjustment

    WORK SET UP (1). Raise the saw head to the highest position. (2). Open vise to accept the Piece to be cut by rotating the wheel at the end the base. (3). Place workpiece on saw bed. If the piece is long, support the end. (4).

  • Page 16: Blade Movement

    Medium to High Carbon Steels Hard Brass or Medium Large Bronze Low to Medium Carbon Steel Large Medium Soft Brass Aluminum Plastic Largest Small MANUAL OF GEAR TYPE SPEED CHANGING (1) Select the proper cutting speed according to the material of work-pieces and blade select chart.

  • Page 17: Blade Selection

    STARTING SAW Switch button function description (Emergency Push Button) (Start Button) (Stop Button） (Coolant Selection Switch) CAUIION : NEVER OPERATE SAW WITHOUT BLADE GUARDS IN PLACE. Be sure the blade is not in contact with the work when the motor is started. Start the motor, allow the saw to come to full speed, and then begin the cut by letting the head down slowly onto the work.
  • Page 18 tension screw knob sufficiently to allow the saw blade to slip off the wheels. Install the new blade with teeth slanting toward the motor as follows: (1). Place the blade in between each of the guide bearings. (2). Slip the blade around the motor pulley (bottom) with the left hand and hold in position.
  • Page 19 maintain the arm 2”above the workpiece. Put you workpiece on the table. Move the vise handle (a) upwards to an angle of 45 degree (a-half opened) to loosen the vise. Move the vise jaw bracket against the workpiece by turning the rectangular handle (b).

  • Page 20: Blade Guide Bearing Adjustment

    location. (3). Fasten the grip (B) when the cutting angle is reached. (4). There is angle set-screw for ±45° rotation. 11. BLADE GUIDE BEARING ADJUSTMENT ATTENTION: This is the most important adjustment on your saw. It is impossible to get satisfactory work from your saw if the blade guides are not properly adjusted.
  • Page 21 adjusted. 4. Position the eccentric by turning the bolt to the desired position of clearance. 5. Tighten the nut. 6. Adjust the second blade guide bearing in the same manner. REMARK: 1. Adjust the tension of blade until the back of the blade (A) against the blade wheel (front) lightly.

  • Page 22: Blade Track Adjustment

    12. BLADE TRACK ADJUSTMENT (1). Open the blade guard. (2). Remove the blade guide assemblies (top and bottom). (3). Loosen the hex head screw in the tilting mechanism to a point where it is loosen but snug. (4). With the machine running, adjust both the set crew and blade tension knob simultaneously to keep constant tension on the blade.
  • Page 23 half a turn and check the tracking by turning on the machine. d. if further adjustment is required, go back to step4. (6). Turn off power to the machine. (7). Replace the clade guide assemblies--it may be necessary to loosen the blade tension alightly.
  • Page 24 follow instructions lubrication or coating rust proof oil before leaving. (2). Weekly Maintenance (a) Clean and coat the leading screw been loose. (b) Check to see if sliding surface and turning parts lack of lubricant. If the lubricant is insufficient, fill it. (3).

  • Page 25: Troubleshooting

    15. TROUBLE SHOOTING Symptom Possible Cause(s) Corrective Action Excessive Blade 1. Materials loosen in vise. 1. Clamp work securely 2. Adjust speed or feed Breakage 2. Incorrect speed or feed 3. Replace with a small teeth 3. Blade teeth spacing too large spacing blade 4.
  • Page 26 Unusual Wear 1. Blade guides worn 1. Replace 2. Blade guide bearing not on Side/Back of 2. Adjust as per operators adjust properly Blade manual 3. Blade guide bearing bracket is loose 3. Tighten Teeth Ripping 1. Tooth too coarse for work 1.

  • Page 27: Electrical Specification

    7. Blade guide assembly loose 7. Tighten 8. Re-track blade according to 8. Blade truck too far away from operating instructions. wheel flanges Cuts 1. Too much speed or feed 1. Decrease speed or feed 2. Blade is too coarse 2.
  • Page 28 CIRCUTT DIAGRAM...
  • Page 30 MODEL NO. 912B...

  • Page 31: Part List

    PART LIST CODE PART NO. DESCRIPTION SPECIFICATION Q’TY 192012A Swivel Base 192009A Acme Screw 1811388B Acme Nut 181266 Fixed Bolt W008 Spring Washer 3/8”x25xt2 192015 Vise Jaw Bracket (Front) S410 Hex. Socket Head Screw 3/8”x1-1/2”L N001 Hex. Nut 1/2” W002 Spring Washer 1/2”x28xt2 S501...
  • Page 32 181270 Washer S012 Hex. Head Screw 3/8”x1-1/2”L ET2108 Wire Nipple 5/8” 192033 Cylinder Protector W018 Spring Washer 5/16”x23xt3 S022 Hex. Head Screw 5/16”x3/4”L 181301-2 Cylinder Lower Support W016 Spring Washer 5/16”x19xt1.5 S018 Hex. Head Screw 5/16”x1/2”L 191224 Thumb Screw S022 Hex.
  • Page 33 181302-2 Cylinder Upper Support N005 Hex. Nut 3/8” S017 Hex. Head Screw 5/16”x1”L 192045S Stand Complete Assembly S017 Hex. Head Screw 5/16”x1”L W017 Spring Washer 5/16”x18xt1.5 N007 Hex. Nut 5/16” S013 Hex. Head Screw 3/8”x1-1/4”L N005 Hex. Nut 3/8” 191106A Filter S708 Cross Round Head Screw...
  • Page 34 Pump W004 Spring Washer 1/4”x19xt1.5 S701 Cross Round Head Screw 1/4”x1/2”L 181854 Hose OD16mmxID13mmx260m 181852 Coupler 3/8”PT S708 Cross Round Head Screw 3/16x3/8”L 181401 Electrical Box S708 Cross Round Head Screw 3/16x3/8”L ET2107 Wire Nipple 1/2” 181402 Cover 101073 3 Way Valve 1341089 Hose Fitting 1/4PTx1/4”...
  • Page 35 W005 Spring Washer 1/4”x16x1.5 S201 Cross Round Head Screw 1/4”x1/2”L 1965052 Knob S414 Hex. Socket Head Screw 5/16”x1”L W008 Spring Washer 3/8”x25xt2 192038A Blade Tension Bar P003 ∮3x20L 192037A Handle Body 192037B Handle Body For Special Request 3027-1 Knob 193050 Blade Wheel Shaft P005 ∮4x22L...
  • Page 36 192014 Gear Box protector(For CE Only) W005 Spring Washer( For CE Only) 1/4”x16xt1.5 S704 1/4”3/8”L Cross Round Head Screw(For CE Only) Gear Box Assembly 181216-1AS 181226B Spindle Pulley S604 Hex. Socket Headless Screw 1/4”x3/8”L 192017A Drive Wheel S604 Hex. Socket Headless Screw 1/4”x3/8”L 181991 Emergency Switch Bracket(For CE Only)
  • Page 37 S006 Hex. Head Screw 1/4”x1/2”L 3058 Plum Screw 192004S Adjustable Bracket Assembly W008 Spring Washer 3/8”x25xt2 S013 Hex. Head Screw 3/8”x1-1/4”L W208 Spring Washer 3/8” N006 Hex. Nut 3/8”UNF W017 Spring Washer 5/16”x18xt1.5 W205 Spring Washer 5/16” S416 Hex. Socket Head Screw 5/16”x1-1/4”L 192027S Brush Assembly...
  • Page 38 181305 Switch base 181305A Switch base For Special Request W023 Spring Washer S721 Cross Round Head Screw M5x10L 3027-1 Knob 193057 Knob S601 Hex. Socket Headless Screw 1/4”x1/2”L 193055 Pressure Lump HW007 Spring Washer M12xt2 S013 Hex. Head Screw 3/8”x1-1/4”L W013 Spring Washer 3/8”x20xt2...
  • Page 41 MODEL NO. 912G PART LIST CODE PART NO. DESCRIPTION SPECIFICATION Q’TY 192012A Swivel Base 192009A Acme Screw 1811388B Acme Nut 181266 Fixed Bolt W008 Spring Washer 3/8”x25xt2 192015 Vise Jaw Bracket (Front) S410 Hex. Socket Head Screw 3/8”x1-1/2”L N001 Hex. Nut 1/2”...
  • Page 42 S022 Hex. Head Screw 5/16”x3/4”L 192003 Pivot Bracket 181270 Washer S012 Hex. Head Screw 3/8”x1-1/2”L ET2108 Wire Nipple 5/8” 192033 Cylinder Protector W018 Spring Washer 5/16”x23xt3 S022 Hex. Head Screw 5/16”x3/4”L 181301-2 Cylinder Lower Support W016 Spring Washer 5/16”x19xt1.5 S018 Hex.
  • Page 43 S412 Hex. Socket Head Screw 3/8”x2-1/4”L W013 Spring Washer 3/8”x20xt2 181302-2 Cylinder Upper Support N005 Hex. Nut 3/8” S017 Hex. Head Screw 5/16”x1”L 192045S Stand Complete Assembly S017 Hex. Head Screw 5/16”x1”L W017 Spring Washer 5/16”x18xt1.5 N007 Hex. Nut 5/16” S013 Hex.
  • Page 44 S013 Hex. Head Screw 3/8”X1-1/4”l 181256 Coolant Tank Pump W004 Spring Washer 1/4”x19xt1.5 S701 Cross Round Head Screw 1/4”x1/2”L 181854 Hose OD16mmxID13mmx260m 181852 Coupler 3/8”PT S708 Cross Round Head Screw 3/16x3/8”L 181401 Electrical Box S708 Cross Round Head Screw 3/16x3/8”L ET2107 Wire Nipple 1/2”...
  • Page 45 W007 Spring Washer(For CE Only) 3/16”x12xt0.8 192023A Switch Cut Off Tip W005 Spring Washer 1/4”x16x1.5 S201 Cross Round Head Screw 1/4”x1/2”L 1965052 Knob S414 Hex. Socket Head Screw 5/16”x1”L W008 Spring Washer 3/8”x25xt2 192038A Blade Tension Bar P003 ∮3x20L 192037A Handle Body 192037B Handle Body...
  • Page 46 S022 Hex. Head Screw 5/16”3/4”L 192050A Blade 27x0.9x2655x5-8T 192017A Drive Wheel S604 Hex. Socket Headless Screw 1/4”x3/8”L 181991 Emergency Switch Bracket For CE Only 181991A Emergency Switch Bracket For Special Request S449 M6x15L Hex. Socket Head Screw(For CE Only) S708 3/16”x3/8”L Cross Round Head Screw(For CE Only) 192004S...
  • Page 47 W002 Spring Washer 1/2”x28xt2 192049 Bushing 181306 Bracket 181306A Bracket For Special Request S720 Cross Round Head Screw M4x5L 181305 Switch base 181305A Switch base For Special Request W023 Spring Washer S721 Cross Round Head Screw M5x10L 3027-1 Knob 193057 Knob S601 Hex.
  • Page 48 Gear Shaft Assembly 604-2 183006S 604-3 183021S Cover Cover 604-4 183022S 604-5 183016S Variable Worm Shaft Assembly 604-6 183017AS Variable Gear Shaft Assembly 604-7 183018S Output Shaft Assembly 604-8 183004CS Worm Shaft Assembly 183001S Gear Box Assembly...
  • Page 51 MODEL NO. 912DR PART LIST CODE PART NO. DESCRIPTION SPECIFICATION Q’TY 182037B Acme Screw 1811388B Acme Nut 181117-1 Spring 182049 Spring Adjusting Screw 193061 Spring Handle Bracket W016 Spring Washer 5/16”x23xt2 S022 Hex. Head Screw 5.16”x3/4”L W014 Spring Washer 3/8”x23xt2 N005 Hex.
  • Page 52 W013 Spring Washer 3/8”x20xt2 193038 Cylinder Upper Support N005 Hex. Nut 3/8” S017 Hex. Head Screw 5/16”x1”L W017 Spring Washer 5/16”x18xt1.5 181256 Coolant Tank Pump W004 Spring Washer 1/4”x19xt1.5 S701 Cross Round Head Screw 1/4”x1/2”L 181854 Hose OD16mmxID13mmx260m 181852 Coupler 3/8”PT S708 Cross Round Head Screw...
  • Page 53 193016 Adjustable Support S404 Hex. Socket Head Screw 1/4”x3/4”L S626 Hex. Socket Headless Screw 1/8”x1/2”L HO028 O-Retainer Ring ∮2x∮10 S458 Hex. Socket Head Screw M8x15L 193025 Swivel Locating Block S007 Hex. Socket Head Screw 1/4”x1-1/4”L N005 Hex. Nut 3/8” S015 Hexagon Head Screw 3/8”x2”L 193010...
  • Page 54 S022 Hex. Head Screw 5/16”3/4”L 193008S Stand Complete Assembly For Standard Stand For Higher Stand 182030-2S Stand Complete Assembly 193008ST Stand Complete Assembly 181128 Wheel Rod For Standard Stand For Standard Stand 181129 Wheel P202 Cotter Pin(For Standard Stand) ∮3x25L N001 1/2”...
  • Page 55 S414 Hex. Socket Head Screw 5/16”x1”L W008 Spring Washer 3/8”x25xt2 192038A Blade Tension Bar P003 ∮3x20L 192037A Handle Body For Special Request 192037B Handle Body 3027-1 Knob 193050 Blade Wheel Shaft P005 ∮4x22L 193052 Sliding Plate Draw Block 192052 Blade Tension Sliding Block 181210 Sliding Plate 192026...
  • Page 56 Gear Box Assembly 181216-1AS 181226B Spindle Pulley S604 Hex. Socket Headless Screw 1/4”x3/8”L 192017A Drive Wheel S604 Hex. Socket Headless Screw 1/4”x3/8”L 181991 Emergency Switch Bracket(For CE Only) 181991A Emergency Switch Bracket For Special Request S449 M6x15L Hex. Socket Head Screw(For CE Only) S708 3/16”x3/8”L Cross Round Head Screw(For CE Only)
  • Page 57 192004S Adjustable Bracket Assembly(Rear) W008 Spring Washer 3/8”x25xt2 S013 Hex. Head Screw 3/8”x1-1/4”L W208 Spring Washer 3/8” W208 Spring Washer 3/8” N006 Hex. Nut 3/8”UNF N006 Hex. Nut 3/8”UNF W017 Spring Washer 5/16”x18xt1.5 W205 Spring Washer 5/16” S416 Hex. Socket Head Screw 5/16”x1-1/4”L 192027S Brush Assembly...
  • Page 58 181305 Switch base 181305A Switch base For Special Request W023 Spring Washer S721 Cross Round Head Screw M5x10L 193029 Protractor Locating Bracket S415 Hex. Socket Head Screw 5/16”x1/2”L 193030 Protractor Locating Bracket 103026 Bearing Pin S601 Hex. Socket Headless Screw 1/4”x1/2”L 193047 Support Plate...
  • Page 59 290086 Plastic Round Knob CA51101 Bearing 193063 Washer 193058 Spring...
  • Page 62 MODEL NO. 912GDR PART LIST CODE PART NO. DESCRIPTION SPECIFICATION Q’TY 182037B Acme Screw 1811388B Acme Nut 181117-1 Spring 182049 Spring Adjusting Screw 193061 Spring Handle Bracket W016 Spring Washer 5/16”x23xt2 S022 Hex. Head Screw 5.16”x3/4”L W014 Spring Washer 3/8”x23xt2 N005 Hex.
  • Page 63 W013 Spring Washer 3/8”x20xt2 193038 Cylinder Upper Support N005 Hex. Nut 3/8” S017 Hex. Head Screw 5/16”x1”L W017 Spring Washer 5/16”x18xt1.5 181256 Coolant Tank H99049 Pump W004 Spring Washer 1/4”x19xt1.5 S701 Cross Round Head Screw 1/4”x1/2”L 181854 Hose OD16mmxID13mmx260m 181852 Coupler 3/8”PT S708...
  • Page 64 193016 Adjustable Support S404 Hex. Socket Head Screw 1/4”x3/4”L S626 Hex. Socket Headless Screw 1/8”x1/2”L HO028 O-Retainer Ring ∮2x∮10 S458 Hex. Socket Head Screw M8x15L 193025 Swivel Locating Block S007 Hex. Socket Head Screw 1/4”x1-1/4”L N005 Hex. Nut 3/8” S015 Hexagon Head Screw 3/8”x2”L 193010...
  • Page 65 S022 Hex. Head Screw 5/16”3/4”L 193008S Stand Complete Assembly For Standard Stand For Higher Stand 182030-2S Stand Complete Assembly 193008ST Stand Complete Assembly For Special Request 181128 Wheel Rod For Standard Stand For Standard Stand 181129 Wheel P202 Cotter Pin(For Standard Stand) ∮3x25L N001 Hex.
  • Page 66 S414 Hex. Socket Head Screw 5/16”x1”L W008 Spring Washer 3/8”x25xt2 192038A Blade Tension Bar P003 ∮3x20L 192037A Handle Body For Special Request 192037B Handle Body 3027-1 Knob 193050 Blade Wheel Shaft P005 ∮4x22L 193052 Sliding Plate Draw Block 192052 Blade Tension Sliding Block 181210 Sliding Plate 192026...
  • Page 67 For Special Request 181991A Emergency Switch Bracket S449 M6x15L Hex. Socket Head Screw(For CE Only) S708 3/16”x3/8”L Cross Round Head Screw(For CE Only) 192004S Adjustable Bracket Assembly(Rear) W008 Spring Washer 3/8”x25xt2 S013 Hex. Head Screw 3/8”x1-1/4”L W208 Spring Washer 3/8” W208 Spring Washer 3/8”...
  • Page 68 181306A Bracket For Special Request S720 Cross Round Head Screw M4x5L 181305 Switch base 181305A Switch base For Special Request W023 Spring Washer S721 Cross Round Head Screw M5x10L 193029 Protractor Locating Bracket S415 Hex. Socket Head Screw 5/16”x1/2”L 193030 Protractor Locating Bracket 103026 Bearing Pin...
  • Page 69 193056 Pressure Shaft 193059 Knob W/Shaft 290086 Plastic Round Knob CA51101 Bearing 193063 Washer 193058 Spring Motor Vertical Style S414 Hex. Socket Head Screw 5/16”x1” W205 Spring Washer 5/16” K008 5x5x30L 604-1 183002S Gear Box Gear Shaft Assembly 604-2 183006S 604-3 183021S Cover...

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