Southbend SB1013, SB1014, SB1015, SB1038, SB1037, SB1012 owner manual Tr O U B L E S H O Oti N G

Page 77

For Machines Mfg. Since 7/09

TR O U B L E S H O OTI N G

EVS Toolroom Lathes

Symptom

Possible Cause

Possible Solution

Entire machine

1.

Workpiece is unbalanced.

1.

Re-install workpiece as centered with the spindle

vibrates upon

 

 

 

bore as possible.

startup and while

2.

Loose or damaged belt(s).

2.

Tighten/replace the belt as necessary (Page 69).

running.

3.

V-belt pulleys are not properly

3.

Align the V-belt pulleys.

 

 

aligned.

 

 

 

4.

Worn or broken gear present.

4.

Inspect gears and replace if necessary.

 

5.

Chuck or faceplate has become

5.

Rebalance chuck or faceplate; contact a local

 

 

unbalanced.

 

machine shop for help.

 

6.

Gears not aligned in headstock or

6.

Adjust gears and establish backlash.

 

 

no backlash.

 

 

 

7.

Broken gear or bad bearing.

7.

Replace broken gear or bearing.

 

8.

Workpiece is hitting stationary

8.

Stop lathe immediately and correct interference

 

 

object.

 

problem.

 

9.

Spindle bearings at fault.

9.

Rest spindle bearing preload or replace worn

 

 

 

 

spindle bearings.

 

 

 

 

 

 

 

 

 

 

Bad surface finish.

1.

Wrong spindle speed or feed rate.

1.

Adjust for appropriate spindle speed and feed rate.

 

2.

Dull tooling or poor tool selection.

2.

Sharpen tooling or select a better tool for the

 

 

 

 

intended operation.

 

3.

Tool height not at center line.

3.

Adjust tool height to center line (Page 41).

 

4.

Too much play in gibs.

4.

Tighten gibs (Page 66).

 

 

 

 

 

Tapered tool

1.

Quill is not retracted all the way

1.

Turn the quill handwheel until it forces taper out of

difficult to remove

 

back into the tailstock.

 

quill.

from tailstock quill.

2.

Contaminants not removed from

2.

Clean the taper and bore and re-install tapered tool.

 

 

taper before inserting into quill.

 

 

 

 

 

 

 

 

 

 

 

 

Cross slide,

1.

Gibs are out of adjustment.

1.

Tighten gib screw(s). See (Page 66).

compound, or

2.

Handwheel is loose or backlash is

2.

Tighten handwheel fasteners, adjust handwheel

carriage feed has

 

high.

 

backlash to a minimum.

sloppy operation.

3.

Lead screw mechanism worn or out

3.

Adjust leadscrew to remove endplay (Page 66).

 

 

of adjustment.

 

 

 

 

 

 

 

Cross slide,

1.

Dovetail slides loaded up with

1.

Remove gibs, clean ways/dovetails, lubricate, and

compound, or

 

shavings, dust, or grime.

 

readjust gibs.

carriage feed

2.

Gib screws are too tight.

2.

Loosen gib screw(s) slightly, and lubricate bedways.

handwheel is hard

3.

Backlash setting too tight (cross

3.

Slightly loosen backlash setting (Page 66).

to move.

 

slide only).

 

 

 

4.

Bedways are dry.

4.

Lubricate bedways and handles.

 

 

 

 

 

 

 

 

 

 

Cutting tool

1.

Tool holder not tight enough.

1.

Check for debris, clean, and retighten.

or machine

2.

Cutting tool sticks too far out of tool

2.

Re-install cutting tool so no more than 1⁄3 of the total

components vibrate

 

holder; lack of support.

 

length is sticking out of tool holder.

excessively during

3.

Gibs are out of adjustment.

3.

Tighten gib screws at affected component.

cutting.

4.

Dull cutting tool.

4.

Replace or resharpen cutting tool.

 

 

5.

Incorrect spindle speed or feed rate.

5.

Use the recommended spindle speed.

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Page 76 Page 78
Image 77
Page 76 Page 78
Contents 14 & 16 EVS Toolroom Lathes Customer Service UpdatesScope of Manual Manual FeedbackTable of Contents Accessories About These Machines FeaturesForeword CapabilitiesIdentification Trained/Supervised Operators Only Basic Machine SafetyUnderstanding Risks of Machinery F E T Y Additional Metal Lathe Safety Things Youll Need Preparation OverviewUnpacking Typical preparation process is as followsTool Box Inventory Figure Qty InventoryMain Inventory 1 Figure Qty Basic steps for removing rust preventative Cleaning & ProtectingBefore cleaning, gather the following Location To lift and move your lathe Cross-Section View of Lifting SetupLifting & Moving Leveling Leveling & MountingBolting to Concrete Floors AssemblyLubricating Lathe Adding Cutting Fluid Power ConnectionTo connect power cord to the lathe Connecting Power Cord to LatheHardwiring Lathe to Power Source To correct wiring that is out of phase Correcting Out-of-Phase WiringTest Run To test run your machineControl panel-test run Spindle ON/OFF lever-setup E P a R a T I O N To complete the spindle break-in Spindle Break-InFactory adjustments that should be verified Recommended AdjustmentsOperation Overview Carriage Controls Main Power SwitchHeadstock Controls Control panel Control PanelTailstock controls Tailstock Controls Foot BrakeItems Needed Qty Removing Chuck or FaceplateTo mount a chuck or faceplate Mounting Chuck or FaceplateTool Needed Qty Installing and Adjusting Camlock StudsCorrect camlock stud alignment Jaw ChuckMounting Workpiece Changing JawsItem Needed Qty To change the jawTo mount a workpiece on the 4-jaw chuck TailstockInstalling Tooling Using QuillTo install tooling in the tailstock Moving Along BedwayTo align the tailstock offset to the spindle center line OffsettingAligning Looking down from above Move tailstock toward Mounting Workpiece Between Centers FaceplateMounting Workpiece with Clamps Mounting Dead Center in Spindle CentersDead Centers Live CentersMounting Center in Tailstock Removing Center from SpindleRemoving Center from Tailstock To mount a center in the tailstockFollow Rest To install and use the steady restSteady Rest Four-Way Tool Post Compound SlideTo load the tool post To set the compound slide at a certain angleTools Needed Qty Aligning Cutting Tool with Tailstock CenterTo align the cutting tool with the tailstock CenterCarriage Stop Adjustable Apron Stop SystemTo adjust the carriage stop Spindle Speed Manual FeedSetting Spindle Speed Power FeedTo use the quick change feed direction knob Power Feed ControlsTo engage the power feed Mod. D.P Understanding Thread & Feed Rate ChartPositioning Gearbox Levers Normal Position End Gear SetupAlternate Position Configuring End GearsThread Dial & Chart Overview Power Feed LeverThreading Controls Half Nut LeverTPI 4-72 Divisible By Using Thread Dial and ChartTPI 2-54 Not Divisible By Odd Numbered TPI27⁄8 TPI Chip DrawerOther Fractional TPI To use the cutting fluid system on your lathe Cutting Fluid SystemHigh-Precision 3-Jaw Scroll Chucks AccessoriesSBL Gearhead T-Shirt SBL One Good Turn T-Shirt SB1247-MT4 Bull Nose CenterSB1279-10 Pc. Precision 5-C Collet Set Cleaning Maintenance ScheduleAnnual Service Lubrication Monitoring Oil TemperatureHeadstock Checking & Adding OilTo clean the oil pump system Cleaning Pump System & Changing OilChanging Oil GearboxApron Lead Screw Lead Screw & Feedrod BearingsWays & Slides Unpainted & Machined SurfacesBall Oilers Cleaning Electrical Box FilterTo clean the filter End Gearing Annual MaintenanceHandling & Care LubricatingAdding Fluid HazardsTo change the cutting fluid Changing Cutting FluidTo prepare your machine for short-term storage up to a year Machine StorageCross Slide Leadscrew Backlash AdjustmentCompound Leadscrew To remove leadscrew end play Leadscrew End Play AdjustmentGib Adjustment To adjust the half nut Half Nut AdjustmentTo adjust the clutch release point Feedrod Clutch AdjustmentTo adjust the V-belts Brake & SwitchTo adjust the brake and brake switch BeltsRe-install the pedal stop, tightening it To replace the shear pin Leadscrew Shear Pin Replacement Re-install the access covers To remove the gap Gap Removal InstallationTo re-install the gap TR O U B L E S H O OTI N G TR O U B L E S H O OTI N G TR O U B L E S H O OTI N G Warranty Southbendlathe.com
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