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BAND SAWING MACHINE

INSTRUCTION

MANUAL

MODEL: TF-2525

SERIAL NO: 356-76101 to 356-01282

Also Applies To Machines With A
“Tf-25SA” Designation.

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Summary of Contents for TF-2525

Page 1: ...BAND SAWING MACHINE INSTRUCTION MANUAL MODEL TF 2525 SERIAL NO 356 76101 to 356 01282 Also Applies To Machines With A Tf 25SA Designation ...

Page 2: ...e nine 9 months to file a claim 1 You have fourteen 14 days to report damage not noted at time of delivery a Report damage as soon as possible This makes it easier to prove that it did not happen at cosignee s plant b Inspect machine s carefully before moving from the receiving area Again if machine is not moved it is easier to prove your case 2 Request a damage inspection from the delivery carrie...

Page 3: ...nd serial numbers with any correspondence or parts orders Specifications contained herein were in effect at the time this manual was approvedforprinting TheDoALLCompany whosepolicyisoneofcontinuous improvement reserves the right however to change specifications or design at any time without notice and without incurring obligations The following registered trademarks of the DoALL Company are used i...

Page 4: ...ium Torque Drive 34 Saw Band Modification 34 Head Travel Indicator 34 Reinforcing Legs Heavy Work Support 34 MACHINE DIMENSIONS Floor Plan 1 Front View 2 Side View 3 MACHINE FEATURES Front and Rear Views 4 Side View 5 Head Assembly 6 INSTALLATION Location 7 OSHA Notice 7 Unpacking 7 Cleaning 7 Lifting 7 Floor Installation and Alignment 7 Electrical Installation 8 Hydraulic Installation 8 Coolant I...

Page 5: ... MACHINE DIMENSIONS FLOOR PLAN INCHES 03 MILLIMETERS 1 mm ...

Page 6: ... MACHINE DIMENSIONS Continued FRONT VIEW ...

Page 7: ...SIDE VIEW 25 635 0 mm 4 101 6 mm 103 00 2616 2 mm 30 762 0 mm 9 228 6 mm 108 00 2743 2 mm 36 914 4 mm 15 381 0 mm 114 00 2895 6 mm 40 1016 0 mm 19 482 6 mm 118 00 2997 2 mm A B Dimensions Work Height C MACHINE DIMENSIONS Continued ...

Page 8: ... MACHINE FEATURES FRONT VIEW REAR VIEW ...

Page 9: ... MACHINE FEATURES Continued SIDE VIEW ...

Page 10: ... MACHINE FEATURES Continued HEAD ASSEMBLY ...

Page 11: ...ng damage Claim procedures are listed on this manual s inside front cover CLEANING 1 If necessary use solvent to remove rust preventive coating applied to exposed bare metal surfaces before shipment DO NOT use compressed air for cleaning purposes as this may force dirt and depris into the machine s working parts LIFTING NEVER lift the machine by its sawing head 1 Use of an overhead hoist with chai...

Page 12: ...the operating shaft and operating handle of the disconnect switch in the OFF position Then a Close the electrical enclosure door and secure its screws b Now turn on the electrical supply and the disconnect switch no action will occur until the Hydraulic Start button on the control console has been pushed DO NOT start machine hydraulics until the following Hydraulic Installation procedures have bee...

Page 13: ...t system 2 Check for coolant leaks and tighten any fittings if necessary PREPARATION FOR USE 1 Checktobesureallsafetyguards coversanddoors are in place or closed 2 Remove the protective Saw Cap from the saw band by opening the upper bandwheel door and carefully pull the cap off the saw band If desired rotate the bandwheel to help in removal of the Saw Cap and then closed the bandwheel door 3 Check...

Page 14: ...s listed according to type of material to be cut and its thickness The Job Selector also has a checklist for proper machine operation and reference notes about band speed feed force etc Typical Job Selector Job Selector recommendations can be adjustedtomeetspecialsawingrequirements and are a general guide for correct cut off sawing on a properly maintained DoALL saw Theyarebasedoncuttingannealed s...

Page 15: ...ard or in reverse throughitsstroke Thesawheadmustbeinthe fully retracted position for such pre sawing operations as tilting the head or post movement is allowed In the manual mode the saw head travels forward to complete the cut then the sawing head and saw band movement will stop During auto mode allappropriateselectorswitches mustbesetatthe automatic setting Coolant band speed and feed rate must...

Page 16: ...ft vise when suplied Make sure the vise jaw is opened wide enough when moving material through the vise jaws 9 Feed Use this selector switch with rev reverse fwd forward and auto off settings to regulate the direction of saw head movement The reverse or forward settings are used during manual operation Turn the selector to auto off before putting the machine into automatic cycle operation 10 Tilt ...

Page 17: ...sing velocity clockwise to decrease it The valve s lower locking knob or set screw helps maintain the setting 7 Miter Meter The unit mounted below the Feed Rate and Head Reversing Rate controls has a LCD window displaying the direction and degree of head tilt Push the button or rotate the thumbscrew to turn the power to the unit on 8 See the Accessories section of this manual on controlsfortheVari...

Page 18: ...nches 31 7 mm with a gage of 0 042 inch 1 1 mm 2 A machine in correct adjustment good operating condition and using proper cutting fluid is essential to efficient sawing 3 Properbladecareshouldinclude a Pushinguncut stock away from the saw band b Using correct band speed feed force and cutting fluids during operation c Removing scale from stock before sawing d Keeping the protective Saw Cap over b...

Page 19: ...ear flange b Move the Band Tension selector switch to tension to apply just enough tension to hold the saw band in position then move the selector to the center position to hold 3 Slip the saw band between the saw guide inserts by twisting it 90 using the supplied saw band twist tool so the blade teeth are facing the front of the machine and pointing downward Then a Turn the adjustment screw two 2...

Page 20: ...r the protractor scale and pointer When the saw head is tilted make sure the post and upper saw guide is positioned to clear the material and or vise jaws Failure to do so will result in damage to the post MITER METER 1 Thisanglemeasuringdeviseismountedtoabracket on the left side of the control console The battery operatedunithasa poweron thumbwheelorbutton and a LCD readout window to display the ...

Page 21: ...setting to assure immediate penetration of blade teeth Light feeds on these materials may cause the blade to slide over the stock resulting in saw band damage Generally top performance from a sharp saw band results from relatively low Band Feed valve settings It will be necessary to increase the setting as the saw band becomes duller This will help keep the cutting rate constant throughout the lif...

Page 22: ...r to perform the following tasks while the band drive motor is not running a Change saw bands b Traverse the sawing head c Clamp or unclamp the vises d Position stock manually 2 The machine s hydraulic reservoir has a 20 gallon 75 7 liter capacity Refer to the Lubrication section of this manual for recommended oils 3 The machine will function through a wide range of hydraulic fluid temperatures al...

Page 23: ...esting Fixture s if supplied to open and unclamp the vise c Raise the post and saw guide by turning the Post selector to up and then to hold when the saw guide has been raised enough to clear the stock and or vise d Turn the Band selector to stop 3 Load the stock to be cut onto the roller table or use controls for the material handling equipment if supplied to move stock into position 4 To move th...

Page 24: ...ed valves to initial settings d Turn the Coolant valve on and adjust so that the saw band is shrouded with coolant 8 TurntheFeedselectorto forward andthentheHead Approach selector to normal Next a Push the Cycle Start button b Watch closely as the saw head moves forward and make any adjustments to band speed band feed coolant volume head approach and or feed rate settings as needed 9 After the cut...

Page 25: ...21 LUBRICATION Next 2 Pages ...

Page 26: ...nt becomes undesireable for further use Clean the mesh strainer at the same time 12 Premium quality saw band coolant and lubricant DoALL cutting fluids and or oils CHECK DAILY AS REQUIRED Multi purpose automatic transmission fluid Perferred High quality rust and oxidation inhibited medium hydraulic and general purpose industrial oil ISO VG Grade 46 Formerly ASTM Grade No 215 Union 76 UNAX RX 46 or...

Page 27: ...23 LUBRICATION DIAGRAM LOWER HEAD REAR VIEW POWER UNIT REAR VIEW ...

Page 28: ...y by referring to the sight gauge 2 Drain clean refill the reservoir and change the oil filter after the first month of operation every six 6 months thereafter Clean the suction strainer and filler opening screen when necessary Automatic transmission fluid is the recommended product 3 Before changing the hydraulic fluid a Retract the saw head completely b Push the Stop button c Remove the reservoi...

Page 29: ...r waste materials from machine areas Be sure the band drive motor is stopped before opening machine doors or covers Combination Shovel Rake MACHINE ALIGNMENT 1 Misalignment of the machine s saw guides slide bar saw band pivot points post etc will cause inaccurate sawing DO NOT attempt any alignment procedures not covered by this manual Contact a DoALL service representative in such cases because s...

Page 30: ...ce these flanges when there is signs of wear CHIP CONVEYOR 1 Metal chips removed from the saw band during operation fall into the machine s coolant reservoir Theyaregatheredandremovedbyahandoperated conveyor which carries the chips up a chute and deposits them in a container placed under the chip opening 2 The furnished roller table hand crank can also be usedtooperatethechipconveyorbyfittingitove...

Page 31: ...head feeding pressure 2 Increase band speed and or decrease head approach rate 3 Check for low hydraulic pressure 4 Check for pinching of saw band in the material due to crooked stock Use wider set saw band TROUBLE SHOOTING BLADE TOOTH GULLETS ARE LOADING 1 Use a coarser pitch saw band 2 Increase the band speed setting or decrease the feed pressure setting 3 Check for improper coolant application ...

Page 32: ...orrect saw band tension being used 9 Saw band pitch may be too coarse for thickness of the stock section SAW BAND BREAKAGE 1 The saw band is being fed into the stockpiece due to incorrect saw head feeding rate 2 Increase band speed being used and or decrease feed force 3 Check for stock not being held firmly by the vise jaws 4 Check for incorrect adjustment of the saw guide inserts and carbide bac...

Page 33: ...cal obstructions 3 Check control panel selector switch settings SAW HEAD WON T TRAVERSE 1 The feed rate setting is too low 2 Operation selector must be in set up 3 Check the head rear limit switch 5 LS for faulty operation 4 Check for saw head obstruction 5 Check for faulty operation of Solenoid 9 and 10 SAW HEAD TRAVERSES ERRATICALLY 1 Bleed air from the saw head feed cylinder It may be necessary...

Page 34: ...etween the table rollers To prevent stock from hanging up on the filler plates the top surface of the plates should be 0 015 inch 0 38 mm below the plane of the two 2 nearest rollers to the saw band ACCESSORIES NESTING FIXTURE 1 Thisoptionalfeatureisdesignedforhigh production multiple sawing of stacked bars rounds and tubing Its jaws have the capacity to hold stock from 5 to 24 inches 127 0 to 609...

Page 35: ...e alternate method can be used if the material is not stacked too high Round Stock Stacking Methods 5 Pieces should be stacked as closely together as possible Metal chips lodged in open spaces between individual pieces will affect cutting accuracy For Best Nesting Cutting Results 1 Total stack width should be no more than five 5 to six 6 inches 127 0 to 152 4 mm 2 Stack the same number of stockpie...

Page 36: ...eyors may be equipped with manually positioned hydraulically controlled workstop which travel along a rail at the conveyor edge This workstop can provide stock cut off lengths from 35 inches 889 0 mm to five 5 or ten 10 feet 1524 0 or 3048 0 mm 2 Workstop arm positioning is done either manually or by a control panel selector switch The woskstop is moved to desired length as indicated on a scale on...

Page 37: ...pacity by two 2 inches 50 8 mm 2 The unit presents both manual and automatic operating options In manual it functions only as a visual indicator During automatic the band drive motor shuts off if the twist is greater than the approximate predetermined amount 3 Iftheindicatordotmovesduringcutting thissignifies thatsomething dullorimproperblade overfeeding etc is causing the blade to twist The opera...

Page 38: ...e flashing indicators etc MEDIUM TORQUE DRIVE 1 Some machines are equipped with this optional band drive which provides band speeds from 50 to 300 fpm 15 to 91 m min This drive alternative is recommendedforapplicationswhichinvolvecutting structural materials SAW BAND MODIFICATION 1 This optional feature allows the machine to operate with a 1 25 inch 31 7 mm wide saw band There is slight difference...

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