Southbend owner manual For Machines Mfg. Since 8/09 Trou B Leshooti NG Model SB1027

Page 57

For Machines Mfg. Since 8/09 TROU B LESHOOTI NG

Model SB1027

 

!

Symptom

Possible Cause

Possible Solution

Tool slips in collect. 1.

Collet is not fully drawn into

1.

Snug up the drawbar to fully seat the collet.

 

spindle taper.

 

 

2.

Wrong size collet.

2.

Use correct collect for tool shank diameter.

3.Debris on mating surfaces of collet 3. Remove oil and debris from mating surfaces, then

 

 

and spindle.

 

re-install.

 

4.

Excessive depth of cut.

4.

Decrease depth of cut and allow chips to clear.

 

 

 

 

 

 

 

 

 

 

Tool breakage.

1.

Spindle speed too slow/feed rate too

1.

Use correct spindle speed and feed rate (Page 34).

 

 

fast.

 

 

 

2.

Tool getting too hot.

2.

Use coolant; reduce spindle speed/feed rate

 

 

 

 

(Page 34).

 

3.

Excessive depth of cut.

3.

Decrease depth of cut and allow chips to clear.

 

 

 

 

 

 

 

 

 

 

Workpiece chatters

1.

Table/saddle/knee locks not tight.

1.

Tighten all locks on mill that are not associated

or vibrates during

 

 

 

with necessary table movement for the operation.

operation.

2.

Workpiece not securely clamped to

2.

Check that clamping is tight and sufficient for the

 

 

 

table or mill vise.

 

operation; make sure mill vise is clamped tight to

 

 

 

 

table.

3.Tool not secure or is damaged. 3. Properly secure the tool; replace if damaged.

4.Spindle speed too fast/feed rate too 4. Use correct spindle speed and feed rate (Page 34). slow.

 

5.

Gibs are too loose.

5.

Properly adjust gibs (Page 50).

 

 

 

 

 

 

 

 

 

 

Table hard to

1.

Table/saddle/knee locks are

1.

Full loosen locks needed for movement.

move.

 

tightened down.

 

 

2.Chips have loaded up on the ways. 2. Frequently clean away chips from the ways that build up during operation.

 

3.

Ways are dry and in need of

3.

Use the one-shot oiler (Page 44).

 

 

lubrication.

 

 

 

4.

Gibs are too tight.

4.

Properly adjust gibs (Page 50).

 

 

 

 

 

 

 

 

 

 

Bad surface finish.

1.

Wrong spindle speed/feed rate.

1.

Use correct spindle speed and feed rate (Page 34).

2.Dull/damaged tool; wrong tool for 2. Sharpen/replace tool; use correct tool for operation. operation.

3.Wrong spindle rotation direction for 3. Check for proper spindle rotation direction for tool. tool.

4.Workpiece not securely clamped to 4. Check that clamping is tight and sufficient for the

 

 

table or mill vise.

 

operation; make sure mill vise is clamped tight to

 

 

 

 

table.

5.

Gibs are too loose.

5.

Properly adjust gibs (Page 50).

 

 

 

 

 

Power feed chatters

1.

Brass bevel gear is not meshed with

1.

Remove parts from the power feed side of the

or grinds during

 

the drive gear.

 

longitudinal leadscrew to ensure the bevel gear is

operation.

 

 

 

properly meshed; make sure the ball handle nut is

 

 

 

 

tight.

 

2.

Power feed unit is at fault

2.

Replace.

 

 

 

 

 

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Image 57
Contents 48 EVS Milling Machine Customer Service UpdatesScope of Manual Manual FeedbackTable of Contents Parts About This Machine FeaturesForeword CapabilitiesSB1027 full view identification Full View IdentificationSB1027 drive system and headstock identification Drive System, Headstock, & Control Panel IdentificationMachine Specifications Motors Coolant Pump Other Specifications Understanding Risks of Machinery Basic Machine SafetyF E T Y Additional Milling Machine Safety Things Youll Need Preparation OverviewInventory UnpackingCleaning & Protecting Before cleaning, gather the followingBasic steps for removing rust preventative Location To lift and move the mill Lifting & MovingLeveling Leveling & Mounting Bolting to Concrete FloorsTo install the ball handles AssemblyBall Handles Axis CrankSplash Pan & Coolant Return Hoses Way CoversPower Connection To connect the mill to powerInitial Lubrication To test run the machine Test RunLocation of the main power switch on Electrical box door To test the X-axis power feed unit and table limit switch Inspections Adjustments To perform the spindle break-in procedureSpindle Break-In A typical milling operation, the operator does the following Operation OverviewControl Panel Table Movement Table LocksGraduated Index Rings To operate the X-axis power feed Axis Power FeedTilting Head Head MovementTramming Spindle Rotating HeadTools Needed Qty To tram the spindle to the tableTable Top View Ram Movement Moving Ram Back and ForthRotating Ram Setting Spindle Speed Range Setting Spindle SpeedDetermining Spindle Speed To set the spindle speed rangeSetting Spindle Speed Using the Coarse Downfeed HandleDownfeed Controls Manual Disengaged Position Auto-Downfeed Engaged Position Fine Downfeed Controls Using the Fine Downfeed HandwheelTo use the auto-downfeed system Using the Auto-Downfeed SystemPositions of the auto-downfeed rate Selector Spindle BrakeLoading/Unloading Tooling Loading ToolingUnloading Tooling Before Beginning Operations Maintenance Schedule Machine StorageOngoing Daily, After OperationsSB1027 Month/YearCleaning LubricationUnpainted & Machined Surfaces Table Ways One-Shot Oiler QuillSpeed Range Bearing Sleeve Ram Ways Headstock GearingHead & Ram Rack & Pinion Gear Power Feed Gears To lubricate the power feed gearsTable Elevation Leadscrew Power feed brass gear and leadscrew Alignment key Coolant Reservoir Checking Coolant LevelTo check the coolant level To change the coolant Changing CoolantDisconnect Mill from Power Adjusting GibsAdjusting Leadscrew Backlash Cross Leadscrew Backlash Longitudinal Leadscrew BacklashTo re-tension the belts Belt TensioningSymptom Possible Cause Possible Solution For Machines Mfg. Since 8/09 Trou B Leshooti NG Model SB1027 Wiring Diagram Color KEY Electrical Safety InstructionsUpper Electrical Panel Freq drive wiringLower Electrical Panel Electrical panel wiringControl panel wiring Control Panel WiringElectrical Component Pictures Control panel wiringHeadstock Description Headstock Parts ListIndicator ROD Lock Knob Quill Gearbox Description Gearbox Parts ListBelt Housing Belt Housing Parts List Ram Column, Knee & Saddle Saddle GIB Column, Knee & Saddle Parts List736A Available only as a set 713 711 744 737 710 Table Parts List C D E F G H One-Shot OilerThreaded Hose Clamp 3/4 Coolant SystemElectric Box & Control Panel Fuse 20A Electric Box & Control Panel Parts ListTools Machine Labels a 220V 1PH Label Machine Labels BR R a N T Y Southbendlathe.com