Grizzly SB1314 User manual

Grizzly
Brand
Grizzly
Model
SB1314
Category
Lathes
Type
User manual
-1-
If you need help with your new item, contact
us at: (360) 734-1540 • FAX: (360) 676-1075
Chucks are heavy! Get assistance when
installing or removing the chuck from the
lathe. Wear heavy duty leather boots for
foot and toe protection, and keep hands and
fingers away from all pinch points. Ignoring
this warning can lead to a severe crushing
injury or finger amputation!
Model SB1314
High Precision 6" Lathe Chuck
Instruction Sheet
Specifications
• OD Clamping Range ...0.32"-6.30" (8-160mm)
• ID Clamping Range ..2.17"-5.90" (55-150mm)
• Outer Diameter ........................6.57" (167mm)
• MaximumChuckKeyTorque .........65 ft/lbs*
• MaximumJawGrippingForce....... 6744 lbs*
• MaximumSpeed .........................4000RPM**
• Two-PieceHardenedSteelJaws ............... Yes
• PlainBackMounting ................................. Yes
• JawMountingCapScrewTorque ......29 ft/lbs
• GreaseFittingLubricated ......................... Yes
• SteelConstruction .....................................Yes
• ChuckWeight ......................................... 22 lbs
• Origin ................................................... Taiwan
*Maximumhandletorqueandgrippingforce
isachievedatfulljawandscrollgearengage-
mentonly.
**ThemaximumspeedaboveisONLYpossible
whenthechuckjawsandtheworkpiecearein
completerotationalsymmetry,andwhenthe
workpieceiswithinsafeweightlimitsforthe
latheandchuck.
Installation
1. DISCONNECTLATHEFROMPOWER!
2. Mountthebackplateonthespindle.
3. Accuratelymeasuretheinsideoftheback
reliefboreonthechuck.Thisdimensionis
criticalandshouldbe±0.001''.
4. Faceandtruethediameterofthebackplate.
Makepassesacrossthefaceuntilitsentire
surfacehasbeencut.
5. Turnashoulderthatis0.015''smallerin
diameterthanthatofthechuckreliefbore.
Theshoulderheightmustalsobetallenough
sowhenthechuckismountedandisbeing
aligned,thechuckalignmentscrewshavea
surfacetojackagainst.
Figure 1. Features.
Four chuck
alignment set
screws
Grease fitting for
complete internal
lubrication
Universal
plain-back
mounting
Hardened steel jaws
for durability and
extreme clamping
force and grip
Two-piece
jaws for speedy
internal/external
clamping changes
Designed for
up to
4000 RPM
6. Removethebackplatefromthelatheand
placeitonaworkbench.
7. Setthechuckonthebackplate,androughly
alignthechuckusingthealignmentset
screws.
8. Useatransferpunchtomarkthebackplate.
Ifatransferpunchisnotavailable,adrill
bitofthesamesizeasthemountingholesin
thechuckcanbeused.Lightlytaponthebit,
rotateit90°andtapitagain.
9. Centerpunchthemarks.Drillandtapthe
holesforM10-1.5threads.
10. Cleanandstoneallmatingsurfacesuntil
theyareperfectlycleanandnoburrsexist.
11. InstallthechuckandsnugtheM10-1.5cap
screwsinanalternatingpatternuntilyou
reachanaltorqueof53.5ft/lbs.Alternating
thetighteningprocessavoidschuckwarpage.
Ifyouareinstallingthechuckbythreading
theM10-1.5hexboltsintothechuckfrom
thebacksideofthemountingplate,repeat
Step 11onthesebolts,andtorquethebolts
to30 ft/lbs.
12. Usinga6mmhexwrench,lightlysnugall
fourchuckalignmentsetscrews.
13. Clampa1"diametertestblankintothe
chuck,installatestindicator.Rotatethe
chuckbyhandandmeasurethechuck
concentricity.
14. Basedonyourreadings,adjustthe
alignmentsetscrewstobringthechuck
intonalalignment.Thetypicalalignment
repeatabilityforthesamediameter
workpiecewhenswappingwillbe0.0005".
Formaximumaccuracy,clampyour
workpieceinthechuckandrealignby
tighteningorlooseningthesetscrews.If
allthesetscrewsaretight,correctionof
alignmentcanalsobedonebylooseningone
ormoresetscrews.
Note: Ifthechuckmustmove0.001"orlessto
bringtheworkpieceintoalignment,itisnot
necessarytoloosenthechuckmountingbolts
beforeusingtheadjustmentsetscrews.
Operation and Safety
• Chuck Key Safety:Achuckkeyleftinthe
chuckcanbecomeadangerousprojectile
whenthespindleisstarted.Alwaysremove
thechuckkeyafterusingit.Developahabit
ofnottakingyourhandoffofachuckkey
unlessitisawayfromthemachine.
•
Disconnect Power: Disconnectthelathe
frompowerbeforeinstallingandremoving
thechuckordoinganymaintenanceor
adjustments.Accidentallathestartupcan
causesevereinjuryordeath.
•
Secure Clamping: Athrownworkpiecemay
causesevereinjuryorevendeath.When
swappingthechuckjawpositions,usea
torquewrenchtore-torquetheM8-1.25
jawmountingcapscrewsto29ft/lbs.When
clampingaworkpiece,maximumgripping
forceisattainedatfulljawandscrollgear
engagement.Ifthejawandscrollgearare
partiallyengaged,clampingforceisreduced.
•
Chuck Speed Rating: Exceedingthe
maximumratedspeedindicatedonthe
chuck,orusingexcessivespindlespeeds
withanunbalancedworkpiece,cancause
theworkpiecetobethrownfromthechuck
causingasevereimpactinjuryorevendeath.
Alwaysusetheappropriatespindlespeedfor
thejob.
•
Large Chucks: Largechucksarevery
heavyanddifficulttograsp,whichcanlead
tocrushedfingersorhandsifmishandled.
Getassistancewheninstallingorremoving
largechuckstoreducethisrisk.Protectyour
handsandtheprecisiongroundwaysby
usingachuckcradleorpieceofplywoodover
thewaysofthelathewhenservicingchucks.
•
Safe Clearances: Oftenchuckjawswill
protrudepastthediameterofthechuckand
cancontactacoolantnozzle,tooling,tool
post,ornearbycomponents.Beforestarting
thespindle,makesuretheworkpieceand
thechuckjawshaveadequateclearanceby
rotatingthespindlethroughitsentirerange
ofmotionbyhand.
-2-
Mfg.Since3/10
ModelSB1314
INSTRUCTIONS
Care & Maintenance
Foroptimumperformancefromyourchuck,
followthemaintenanceschedulebelow,and
neverhammeronthechuck,jaws,oraworkpiece
clampedinthechuck.Neversubjectthechuckto
abrasives,ame,orwater.
Daily:
• Check/correctloosemountingbolts.
• Useavacuum,rag,orbrushtocleanthe
chuckafteruse.Neveruseairpressureto
cleanchipsawayfromachuck.
• Wipethechuckdownwithathincoatofway
oiltopreventsurfacerust.
• Greasethechuckttingwithonetotwo
pumpsofNLGI#2grease.
Ifthechuckeverbecomesstifftooperate,itmay
havebeencontaminatedwithmetalchipsor
abrasivesfromneglectorpoorservicepractices.
Thechuckmustbedissembled,cleaned,andre-
lubricated.
To disassemble the chuck for a full cleaning
and lubrication service:
1. DISCONNECTLATHEFROMPOWER!
2. Markthechuckandthemountingplate
wheretheymatetoensurethatwhen
reassembledbothhalveslineup.Next,
unboltthechuckandseparatebothhalves.
3. Insertandrotatethechuckkey
counterclockwiseuntilthescroll-gearhas
releasedallthreejawsfromthechuck.
4. Usinga4mmand6mmhexwrench,a#1
standardscrewdriver,andaratchetwitha
7mmsocket,startat#1anddisassemblethe
chuckinthesequenceshowninFigure 2.
Always disconnect
machine from power before
performing maintenance or
serious personal injury may
result.
!
5. Usingmineralspirits,cleananddryall
components.Inspectallbores,teeth,pins,
andmatingsurfacesforwear,burrs,galling,
rust,orcracks.
6. Withoutchangingthedimensionofanypart,
useawirebrush,emerycloth,ordressing
stones,toremoveallrust,burrs,andany
highspotscausedbygalling.
7. CoatallpartswithanyautomotiveNLGI#2
grease,andcarefullyreassemblethechuck
inthereverseordershowninFigure 2.
8. Rotatethechuckkeyclockwiseuntilyou
seethetipofthescroll-gearleadthreadjust
begintoenterjawguide#1.
9. Insertjaw#1intojawguide#1,andholdthe
jawagainstthescroll-gear.
10. Rotatethechuckkeyclockwiseoneturnto
engagethetipofthescroll-gearleadthread
intothejaw.Pullthejaw;itshouldbelocked
intothejawguide.
11. Installtheotherjawsinthesamemanner,
andinstallanewgreasettingifballor
nippleleakgrease.
12. Lineupthetimingmarkonthechuckand
themountingplate,andfastenbothhalves
bytighteningandtorquingthefastenersas
outlinedinStep 11 in Installation.
2
3
6
4
5
1
Figure 2. Chuck sequence of disassembly.
7
Note: Each jaw is marked
1, 2, or 3 to correspond
to its marked slot in the
chuck
Mfg.Since3/10 ModelSB1314
-3-
INSTRUCTIONS
Copyright © March, 2010 By South Bend Lathe Co. Revised February, 2011 (CR)
WARNING: No portion of this manual may be reproduced in any shape or form
without the written approval of South Bend Lathe Co.
#CR12663 Printed in Taiwan.
www.southbendlathe.com
Troubleshooting
Ifyouneedreplacementparts,orifyouareunsurehowtodoanyofthesolutionsgivenhere,feelfree
tocallusat(360)734-1540.
Symptom Possible Cause Possible Solution
Thechuckhas
hardspotsorbinds
completely.
1.
Jawisinwrongposition.
1.
Reinstalljawsincorrectorderandpositiononscroll
gear.
2.
Lackoflubrication,rust,burrs,or
metalshavingsinsideofchuck.
2.
Disassemble,de-burr,clean,andlubricatechuck.
3.
Brokentoothonthepinionorthe
scrollgear.
3.
Disassemble,replacebrokenpartsifpossible,and
reassemblechuck.
Theworkpieceslips
inthejaws.
1.
Incorrectjaworworkpiececlamping
position.
1.
Repositionjawsandworkpieceformaximumscroll
gearandjawengagementisachieved.
2.
Insufcientpinionandscrollgear
torque.
2.
Tightenchuckkeyto65ft/lbs.
3.
Cuttingoverload.
3.
Reducecuttingdepthorfeedrate.
4.
Chuckisbindingbeforefull
clampingisachieved.
4.
Disassembleandservice/rebuildchuck.
Clampingaccuracy
ispoor.
1.
Workpieceisimproperlyclampedor
jawislooseorincorrectlyseated.
1.
Removejaws,clean,de-burr,andre-installwithjaw
mountingcapscrewstorquedto29ft/lbs.
2.
Chuckloose,mountingisoffcenter,
oritisimproperlyseated.
2.
Removechuck,cleanandde-burrmounting,andre-
install,ormachineanewmountingplate.
1
13
10
12
11
6
8
9
7
4
3
5
2
15
14
16
17
REF PART # DESCRIPTION
1 PSB1314001 GREASE FITTING
2 PSB1314002 TOP JAW
3 PCAP33M CAP SCREW M5-.8 X 12
4 PSB1314004 BACK COVER
5 PSB1314005 LOCK PIN
6 PSB1314006 PINION
7 PSB1314007 SCROLL GEAR
8 PSB1314008 CHUCK KEY W/SPRING
9 PSB1314009 COMPRESSION SPRING
10 PCAP171M CAP SCREW M10-1.5 X 80 BLK C12.9
11 PCAP172M CAP SCREW M8-1.25 X 20 BLK C12.9
12 PAW08M HEX WRENCH 8MM
13 PSB1314013 BOTTOM JAW SET OF 3
14 PSB1314014 CHUCK BODY
15 PB174M HEX BOLT M10-1.5 X 35 BLK C12.9
16 PSS108M SET SCREW M12-1.75 X 10
17 PSB1314017 FLANGE PIN
Parts Diagram Parts List
Please Note: We included this breakdown for service purposes only. Since many of the parts shown are machined to each
individual chuck, they are not available as replacement items.
-4-
Mfg.Since3/10
ModelSB1314
INSTRUCTIONS
  • Page 1 1
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  • Page 3 3
  • Page 4 4

Grizzly SB1314 User manual

Grizzly
Brand
Grizzly
Model
SB1314
Category
Lathes
Type
User manual
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