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Wilton
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8120
User Manual
30 pgs10.26 Mb0

Wilton 8020, 8120 User Manual

Table of Contents
Cover Page . 1 GeneralSpecifications 4 OperatingPrecautions 5 OperatingInstructions 8
Maintenance 11 ElectricalSchematics 15
Troubleshooting. 16 ReplacementParts.. 17
3
- Misuse of this machine can cause serious injury.
- For safety, machine must be set up, used and serviced properly.
- Read, understand and follow instructions in the Operating Instructions and Parts Manual which was shipped with your machine.
When Setting up Machine:
- Always avoid using machinein damp or poorly lightedwork areas.
- Always be sure the machinesupportis securely anchored to the floor or the work bench.
When Using Machine:
- Alwayswear safety glasseswithside shields(See ANSIZ87.1)
- Neverwearloose clothingorjewelry.
- Never overreach -you may slipandfall.
When Servicing Machine:
- Always disconnect the machine from its electrical supply while servicing.
- Always follow instructions in Operating Instructions and Parts Manual when changing accessory tools
or parts.
- Never modify the machine without consulting Wilton Corporation.
You - the Stationary Power Tool User -
Hold the Key to Safety.
Read and follow these simple rules for best results and full benefits from your machine. Used properly, Wilton's machinery is among the best in design and safety. However, any machine used improperly can
be rendered inefficient and unsafe. It is absolutely mandatory that those who use our products be properly trained in how to use them correctly. They
should read and understand the Operating Instructions and Parts Manual as well as all labels affixed to the
machine. Failure in following all of these warnings
can cause serious injuries.
Machinery General Safety Warnings
1. Alwayswear protectiveeyewear whenoperating 8. machinery. Eye wearshallbe impactresistant, protectivesafety glasseswith sideshieldswhich comply with ANSIZ87.1 specifications. Use of eye wearwhichdoes not complywith ANSIZ87.1 specifications could result insevereinjuryfrom breakage of eye protection.
2. Wear proper apparel. No looseclothingor jewelry which can getcaught in moving parts.
Rubbersoledfootwearisrecommendedfor bestfooting.
3. Do not overreach. Failureto maintain proper working position cancauseyou to fall intothe
machineor causeyour clothing to get caught pullingyou into the machine.
4. Keep guards inplaceandin proper working order. Do not operatethe machinewith guardsremoved.
5. Avoid dangerousworking environments. Do not use stationarymachine toolsinwet ordamp
locations. Keepwork areas clean andwell lit.
6. Avoid accidental starts by beingsurethestart switch is OFF beforeplugginginthe machine.
7. Never leavethe machinerunningwhileunat- tended. Machineshallbeshutoffwheneverit
is not in operation.
Disconnectelectrical power beforeservicing. Whenever changingaccessoriesor general
maintenanceis done onthe machine, electrical powertothe machinemustbedisconnected
beforework is done.
9. Maintainall machinetoolswith care. Followall maintenanceinstructionsfor lubricatingand the changingof accessories. No attemptshall be madeto modifyor have makeshiftrepairs doneto the machine. This not onlyvoids the warranty but
also rendersthe machineunsafe.
10. Machinery mustbe anchoredto the floor.
11. Securework. Useclamps ora vise to hold work, when practical. It is saferthanusingyour hands and itfrees bothhandstooperatethe machine.
12. Never brushaway chipswhilethe machine is in operation.
13. Keepwork area clean. Cluttered areas invite accidents.
14. Removeadjusting keysandwrenchesbefore turning machineon.
15. Usethe righttool. Don't force a tool or attach- mentto doa job it was notdesignedfor.
16. Useonlyrecommendedaccessoriesandfollow
manufacturersinstructionspertainingtothem.
17. Keep hands in sight and clear of all moving parts
5
and cutting surfaces.
18. All visitors should be kept at a safe distance from the work area. Make workshop completely safe
General Electrical Cautions
This sawshould begrounded inaccordancewith the National ElectricalCodeand localcodes and
ordinances. This work should bedone bya qualified electrician. The saw should begroundedto protect
the user from electrical shock.
by using padlocks, master switches, or by removing starter keys.
19. Know the tool you are using, its application, limitations, and potential hazards.
Wire Sizes
Caution: For circuits which are far away from
the electricalservice box,thewire size mustbe
increasedin orderto deliverample voltageto the motor. Tominimize powerlossesand toprevent motoroverheatingandburnout,the useofwire sizes
for branch circuits or electrical extension cords
accordingto thefollowing tableisrecommended.
Safety InstructionsOnSawing Systems
6
1. Alwayswearleathergloveswhenhandlingsaw blade. The operatorshallnot weargloveswhen operatingthe machine.
2. Alldoorsshall beclosed,allpanelsreplaced, and other safety guards inplaceprior to the machinebeingstartedor operated.
3. Be surethat the blade isnot in contactwith the workpiecewhenthe motoris started. The motor
shallbestartedandyoushouldallowthe sawto come up tofull speed beforebringingthe saw blade intocontactwiththe workpiece.
4. Keephandsawayfrom the bladearea. See FigureA.
5. Remove anycut off piececarefully while keeping your hands free of the blade area.
6. Saw mustbestopped andelectricalsupplymust be shut off beforeany blade replacementor adjustmentof bladesupportmechanismis done, or beforeanyattemptis madeto changethe drive belts or beforeany periodic serve or maintenance is performedon the saw.
7. Removeallloose itemsandanyunnecessary workpieces fromthe area beforestarting
machine.
A B
>8
8. Bringadjustablesawguides andguards asclose as possibletotheworkpiece.
9. Always wearprotective eyewearwhenoperating, servicing,oradjustingmachinery. Eyewear shall beimpact resistant,protectivesafety glasseswith side shieldscomplyingwithANSI Z87.1 specifi- cations. Useofeye wear which does not comply with ANSIZ87.1specificationscould resultin severe injuryfrom breakage of eye protection. See Figure B.
10. Nonslipfootwear andsafety shoes are recom- mended. SeeFigure C.
11. Wear ear protectors (plugs or muffs)during extendedperiodsof operation. See Figure D.
12. Theworkpiece,or partbeing sawed, must be securelyclamped beforethe saw bladeenters theworkpiece.
13. Remove cutoff piecescarefully,keeping hands awayfrom saw blade.
14. Saw mustbestoppedand electricalsupplyshut off or machine unpluggedbefore reachinginto cutting area.
15. Avoidcontact withcoolant, especiallyguarding your eyes.
c D
.
AWG (Americanwire gauge) Number
Conductor Length
240 Volt Lines 120VoltLines
0 - 50 Feet No. 14 No.14 50 -100 Feet No. 14 No.12 Over 100Feet No. 14
NO.8
Introduction
This manual includes the operating and maintenance instructions for the Wilton 20-inch Vertical Band Saws,
Models 8020 and 8120. This manual also includes parts listings and illustrations of replaceable parts. Typical operations performed using the band saw are shown below.
RIPPING
SLOTTING
SPLITTING
STACK CUTTING
THREE-DIM.CUTTING
SLICING
SEGMENTING
ANGULAR CUT
EXTERNAL CONTOUR
SHAPING
BEVELING
SHAPING CUT
GRINDING RELIEF
7
INTERNAL CONTOUR
COMPOUNDANGLECUT
Saw Features
RefertoFigure1for keyfeaturesofthe 14-lnchVari-SpeedVerticalBandSaw.
Speed I, -,-;
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and Pitch iv'L1CJ~jl
Selector ' I ', I GUideSu
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8
Figure 1: Saw Features (Left Side
View)
Guide Support Clamping Knob
Guide Support Hand Wheel
Blade Tensioning Hand Wheel
Figure2: Saw Features (Right Side View)
Setup
Installation
Theframeof theverticalbandsaw hasfour mounting holesinthe base ofthesaw frame. Thebandsaw may be securedto thefloor usingthe four mounting holes.
Electrical Connection
Referto theWiring Diagramsection for wiring informa- tion. Connectionto facility electrical powershould be made by a qualifiedelectrician.
Operating Instructions
Operating Controls
The operating controls (refer to Figure 3) for the saw are
located on the left side of the machine. The controls include the following:
ON/OFF Switches
Turn Counter- Clockwise To
Decrease Speed
-
Tum Clockwise To Increase
Speed
Variable Speed Crank
(turn only when saw is operating)
Figure 3: Operating Controls
1. A set of start/stop push buttons, located below the optional welder, provide a means to start and stop
the saw drive motor.
2. A variable speed control (crank), which can only be adjusted while the saw is running, is located below the start/stop buttons.
3. A blade tensioning hand wheel is mounted on the top of the saw enclosure.
4. Referto Optional Welder for a description ofthe weldercontrols.
The Model8020band sawisequippedwith atwo- speed gearbox. The shift lever is locatedon thefront
of the band saw. Shift positions are L (low)and H
(high).
The Model8120band saw isequippedwitha three-
speed gearbox. The shift leveris locatedonthefront of the band saw. The shift positionsareL (low), M
(medium),and H (high).
Optional BladeWelder
An optional blade welder is available on the vertical
band saw. The welder has all the features required to cut, weld, and anneal the saw blade.
Welder Features
(refer to Figure 4)
The welder is installed on the left side of the saw enclosure. A blade cutter, provided with the welder, is
mounted on the saw enclosure near the welder panel.
0 0
'"''''''
"Tro,
Welding Button
Annealing
Button
Clamp Pressure Selector
LOWE/::
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H'GHER
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Clamp (2)
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Clamp Handle (2)
Light Switc
ON
ON
Grinder Switch
OFF
LIGHT
Blade
Grinder
0
0
Figure 4: Welder Features
The welder has two clamps that hold the ends of the saw blade during welding. The welder controls
include a clamp pressure selector, welding, and
annealing pushbutton switches, and switches for the
blade grinder and welder light.
Operating the Welder
(refer to Figure 5)
WARNING: BE SURE TOWEAR EYE PROTEC- TION WHILE OPERATINGTHE WELDER TO AVOIDEYEINJURIES. USE CARE WHEN HAN-
DLINGTHE BLADEAFTER WELDINGTO AVOID BURNS.
1. Usingthebladecutter,cutthe bladetothe required length(View A).
2. Usingthe bladegrinder,square-offtheblade ends (View B). The bladeends need to be perpendicularto the side ofthe blade. The bladeendsmust besquaresothere is minimal gapbetweenthe endswhen clampedfor weld- ing.
3. Insert oneend of the bladeinthe left clamp (ViewC). Positionthe back edge of the blade againstthe back oftheleftclamp. Then position
the endofthe blademidway betweenthe leftand rightclamps. Tighten the leftclamp.
4. Insertthe other end ofthe blade in the right clamp. Positionthe back edgeof the blade againstthe back ofthe rightclamp. Then butt
the end ofthe bladeagainsttheother endof
blade (theblade ends needto be incontact with each other). Tighten the rightclamp.
5. Setthe clamp pressureselector switch (clock- wise rotation)to the setting requiredforthewidth
ofthe blade beingwelded(seethetable below).
9
NOTE: There will be some resistance when turning
the switch.
6. Pressandhold theweld pushbutton. When the pushbuttonispushed,therightclampmovesto
the lefttoapplypressuretothe bladeends. At the sametime, sparkswill comefrom theblade
ends asthey are beingwelded.
BladeWidth
ClampPressure
(Inch)
SelectorSetting
1/8"to 1/4"
1
5/16" to 3/8"
2
1/2"
3
5/8"
4
3/4"
5
({p
Figure 5: Operating the Welder
7. Release the weld push button and unclamp the left and right clamps.
8. Rotate the clamp pressure switch (clockwise) to the zero position.
9. Center the weld between the two clamps. Tighten the clamps.
10. The weld is hard and brittle and must be annealed before use. To anneal the weld, quickly depress
and release Gog)the anneal pushbutton. Repeat the depress-and-release process until you see a red glow (slightly red) from the weld area.
CAUTION: DONOT PRESSAND HOLDTHE
ANNEAL PUSHBUTTON. THEWELDWILLBE OVERHEATEDANDTHE WELDWILLFAILDUE TOTHEEXCESSIVEHEAT.
10
11. Release both blade clamps and remove the blade.
12. Check the integrity of the weld. Bend the blade to
form a radius in the blade at the point of the weld. The size of the radius should be approximately
the same as the radius of the saw drive wheel. The weld must hold and not break or crack after
forming the radius. If the weld breaks, cut away the welded area and repeat the welding/annealing process.
CAUTION: CHECKTHE BLADETOMAKE SURETHE WELDEDSECTIONISTHE SAME THICKNESSAS THE RESTOFTHEBLADE. IF
THE BLADE ISTHICKERATTHEWELD,THE BLADEGUIDES MAYBE DAMAGED.
13. Check to make sure the welded section is the same thickness as the rest of the blade. If not, grind off excess weld material using the grinder
on the welder.
Setting Blade Speed
WARNING: NEVER OPERATE THE SAW WITHOUT BLADE COVERS IN PLACE AND SECURED.
CAUTION: DONOTTURNSPEEDSETTING CRANKUNLESSTHE SAWMOTORISOPERAT- ING. THE SPEEDSETTING MECHANISMCAN BE DAMAGED.
1. Refertothe Speed and Pitchselector ontheleft side ofthesaw enclosure. Selectthe speed settingfor the materialto be cut.
2. Shiftthe gearboxto the requiredspeed setting (Model8020: high orlow)(Model8120: high, medium,orlow).
3. Start thesawusingthe start pushbutton.
4. Turn thespeedsetting cranktothe required speed. Turningthe crankto the right (clockwise) increasesspeed. Turning the crankto the left (counterclockwise)decreasesspeed.
Blade Selection
The vertical band saw is equipped with a Wilton part number 910839 saw blade that is adequate for a variety of common materials. The blade is a 10-tooth,
1/2-inch multi-purpose.
(Refer to the speed and pitch indicator on the left side of the vertical saw to select the blade and speed required for various materials.)
A coarse blade is generally usedfor a solid steel bar but afinertooth blade used ona thin-wall tube. In
general, the bladechoiceis determined bythe thickness ofthe material;thethinnerthe material,the finer the tooth pitch.
Forvery high production on cutting of special
materials, orto cut hard-to-cut materialssuch as stainlesssteel, tool steel,ortitanium,contact your
industrial distributorfor more specific blade recom- mendations. Also,thesupplierwhoprovidesthe work piece materialshould be preparedto provideyou with very specific instructions regardingthe best blade for the materialandshapesupplied.
Setting Blade Guide Support
(refer to Figure 6)
Blade Guide Rod
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Adiust Up \ \
or Down
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as Required.
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Blade
Guide
Rod Hand Wheel II
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Blade Guides
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Figure 6: Setting Blade Guide Support
The blade guide support must be adjusted for the thickness of the material to be cut. Adjust the
position of the support as follows:
1. Loosenthe bladeguide supportbyturning the handwheel ontheleft sideof the sawenclosure.
2. Placethe materialto be cut adjacentto the blade guide. Adjust the bladeguide supportup ordown usingthe handwheel onthe frontof the enclo- sure. Adjust until there isclearance betweenthe
materialto be cutandthe bladeguide.
3. Tightenthe handwheel.
Maintenance
Cleaning
WARNING: DISCONNECTELECTRICAL POWER
TOAVOIDPOTENTIALFORUNINTENDEDSTART-
UPDURINGMAINTENANCE.
1. Periodicallyemptythechip pan (insidethe lower dooronthe leftside ofthe machine).
2. Useabrush to loosenaccumulatedchips and debris. Use vacuum cleaning to removeaccu-
mulateddebris.
Lubrication
Bearings: The bearingsused invertical bandsaw
arepre-lubricated,sealedbearingsand requireno additionallubrication.
Air Pump: Lubricate theairpump everysix
months. Addoilthrough the oilfittingonthe
frontofthebandsaw.
Changing Saw Blades
(Refer to Figure 7)
II
Table
Insert
Blade Guards
Idler Wheel
rn II
Blade
Tension
I-ia"rlAteeI
1
11
~ II
Figure 7: Changing Saw Blades
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