Southbend SB1026, SB1025, SB1024 owner manual Symptom Possible Cause Possible Solution

Page 63

For Machines Mfg. Since 8/09 TR O U B L E S H O OTI N G SB1024/SB1025/SB1026

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

Machine does not

1.

Emergency stop button is pushed in

1.

Rotate the button clockwise until it pops out;

start or a breaker

 

or is at fault.

 

replace if necessary.

trips.

2.

Plug/receptacle is at fault or wired

2.

Test for good contacts; correct the wiring.

 

 

 

incorrectly.

 

 

3.Power supply is switch OFF or is 3. Ensure hot lines have correct voltage on all legs and

at fault.

main power supply is switched ON.

4.Motor connection wired incorrectly. 4. Correct motor wiring connections (Pages 66 & 69).

5.

ON button or spindle direction

5.

Replace faulty ON button or spindle direction

 

switch at fault.

 

switch.

6.

Motor windings or motor is at fault.

6.

Replace motor.

 

 

 

 

Machine stalls or is 1.

Machine is undersized for the task.

1.

Use smaller sharp tooling; reduce the feed rate;

overloaded.

 

 

reduce the spindle speed; use coolant.

2.Workpiece alignment is poor.2. Eliminate workpiece binding; use vise or clamps as required for proper workpiece alignment control.

3.Dull or incorrect cutting tool.3. Use sharp and correct cutting tool for the operation.

4.Spindle speed is incorrect for the 4. Select appropriate spindle speed (Page 37). operation.

5.Motor connection wired incorrectly. 5. Correct motor wiring connections (Pages 66 & 69).

6.Plug/receptacle is at fault or wired 6. Test for good contact; correct wiring problems;

incorrectly; incorrect voltage

ensure hot lines have correct voltage on all legs.

coming from power source.

 

7. Pulley(s) slipping on shaft.

7. Replace loose pulley/shaft.

8.Motor bearings at fault.8. Test by rotating shaft; rotation grinding/loose shaft requires bearing replacement.

 

9.

Motor has overheated.

9.

Clean off motor, let cool, and reduce workload.

 

10.

Motor is at fault.

10.

Replace motor.

 

 

 

 

 

Machine has

1.

Tool holder or cutter is at fault.

1.

Replace out-of-round tool holder; replace/re-sharpen

vibration or noisy

 

 

 

cutter; use appropriate feed rate spindle speed.

operation.

2.

Workpiece alignment is poor.

2.

Eliminate workpiece binding; use vise or clamps as

 

 

 

 

 

required for proper workpiece alignment control.

3.Motor or component is loose.3. Inspect replace stripped or damaged bolts/nuts and re-tighten with thread locking fluid.

4. Pulley is loose.

4. Re-align/replace shaft, pulley, set screw, and key as

 

required.

5.Machine is incorrectly mounted to 5. Re-tighten/replace mounting bolts in floor; relocate/

 

floor or sits uneven.

 

shim machine.

6.

Motor fan is rubbing on fan cover.

6.

Replace dented fan cover or fan.

7.

Pulley(s) slipping on shaft.

7.

Replace loose pulley/shaft.

8.Motor bearings at fault.8. Test by rotating shaft; rotation grinding/loose shaft requires bearing replacement.

9. Gearbox is at fault.

9. Rebuild gearbox for bad gear(s)/bearing(s).

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Contents 42 Milling Machine Manual Feedback UpdatesCustomer Service Scope of ManualTable of Contents Parts Capabilities FeaturesAbout These Machines ForewordIdentification-front view Model SB1024 shown Front View IdentificationModel SB1024 belt housing and headstock identification Model SB1024 Belt Housing Headstock IdentificationModel SB1025/SB1026 Belt Housing Headstock Identification Machine Specifications Model SB1024 42 Variable Speed Milling Machine Power FeedTable Information Model SB1025 42 Milling Machine Power Feed 80, 140, 220, 325 RPM Model SB1026 42 Milling Machine Power Feed High Range of Spindle Speeds 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 & Mounting Bolting to Concrete FloorsLeveling Knee Crank AssemblyTo install the ball handles Ball HandlesWay Covers Front way cover installedSB1026 Power ConnectionSB1025 220V 3-Phase SB1024Initial Lubrication Test RunTo test run the machine 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 OverviewTable Movement Control PanelTable Locks Graduated Index RingsTo operate the X-axis power feed Axis Power FeedTilting Head Head MovementTramming Spindle Rotating HeadTools Needed Qty To tram the spindle to the tablePlace the parallel block directly under Ram Movement Moving Ram Back-and-ForthRotating Ram Setting Spindle Speed Setting Spindle Speed RangeDetermining Spindle Speed Model SB1024 Spindle Speed Ranges Setting SB1024 Spindle Speed RangeModel SB1025 Spindle Speed Ranges Setting SB1025/SB1026 Spindle Speed RangeMeshing Spindle & Spindle Clutch Setting SB1024 Spindle Speed Setting Spindle SpeedF2/R2 Setting SB1025/SB1026 Spindle SpeedDownfeed Controls Using the Coarse Downfeed HandleManual Disengaged Position Auto-Downfeed Engaged Position Fine Downfeed Controls Using the Fine Downfeed HandwheelTo use the auto-downfeed system Using the Auto-Downfeed System= 0.006 in./rev = 0.0015 in./rev = 0.003 in./rev Spindle BrakeLoading/Unloading Tooling Loading ToolingUnloading Tooling Daily, After Operations Maintenance ScheduleBefore Beginning Operations OngoingLubrication Month/YearCleaning LubricationUnpainted & Machined Surfaces Table Ways One-Shot Oiler QuillHeadstock Gearing Speed Range Bearing Sleeve SB1024 OnlyHead & Ram Rack & Pinion Gear Power Feed GearsTo lubricate the power feed gears Ram WaysPower feed ball handle removed Drive Gear Bevel Gear Hazards Cleaning Coolant ReservoirCleaning To clean out the coolant reservoirLubrication section beginning on Machine StorageDisconnect Mill from Power Before Adjusting the Gibs Adjusting GibsLongitudinal Leadscrew Backlash Adjusting Leadscrew BacklashBall handle, rings, and key removed from Cross leadscrew Cross Leadscrew BacklashSymptom Possible Cause Possible Solution TR O U B L E S H O OTI N G Electrical Safety Instructions Wiring Diagram Color KEY Wiring OverviewBox, See SB1024/SB1026 Electrical BoxControl Panel Viewed From Behind See Figure SB1024/SB1026 Electrical ComponentsMotor junction box SB1024/SB1026 Electrical Component PicturesSB1025 Electrical Box SB1025 Electrical Components SB1025 Motor junction box SB1025 Electrical Component PicturesHeadstock Description Headstock Parts ListReverse Trip Ball Lever Quill SB1024 Gearbox Description SB1024 Gearbox Parts ListSB1025/SB1026 Gearbox SB1025/SB1026 Gearbox Parts List SB1024 Belt Housing SB1024 Belt Housing Parts List SB1025/SB1026 Belt Housing CAM Ring Screw M6-1 X SB1025/SB1026 Belt Housing Parts ListRam Ram Parts List 668 Saddle GIB Column, Knee, & Saddle Parts List709 Leadscrew NUT Bracket Table Parts ListC D E F G H One-Shot OilerElectrical Box SB1024/SB1026 Electrical Box & Control PanelControl Panel SB1025 Electrical Box & Control PanelAccessories SB1024 Head Machine Labels 220V 1PH Label SB1024 Main Machine LabelsSB1025/SB1026 Machine Labels Page R R a N T Y Southbendlathe.com
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