Southbend SB1025, SB1026, SB1024 owner manual Tr O U B L E S H O Oti N G

Page 64

SB1024/SB1025/SB1026

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

For Machines Mfg. Since 8/09

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 37).

 

 

fast.

 

 

 

2.

Tool getting too hot.

2.

Use coolant; reduce spindle speed/feed rate

 

 

 

 

(Page 37).

 

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 37). slow.

 

5.

Gibs are too loose.

5.

Properly adjust gibs (Page 58).

 

 

 

 

 

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 52).

 

 

lubrication.

 

 

 

4.

Gibs are too tight.

4.

Properly adjust gibs (Page 58).

 

 

 

 

 

 

 

 

 

 

Bad surface finish.

1.

Wrong spindle speed/feed rate.

1.

Use correct spindle speed and feed rate (Page 37).

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 58).

 

 

 

 

 

 

 

 

 

 

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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Page 63 Page 65
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Page 63 Page 65
Contents 42 Milling Machine Updates Customer ServiceScope of Manual Manual FeedbackTable of Contents Parts Features About These MachinesForeword CapabilitiesFront View Identification Identification-front view Model SB1024 shownModel SB1024 Belt Housing Headstock Identification Model SB1024 belt housing and headstock identificationModel SB1025/SB1026 Belt Housing Headstock Identification Model SB1024 42 Variable Speed Milling Machine Power Feed Machine SpecificationsTable 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 Basic Machine Safety Understanding Risks of MachineryF E T Y Additional Milling Machine Safety Preparation Overview Things Youll NeedUnpacking InventoryBefore cleaning, gather the following Cleaning & ProtectingBasic steps for removing rust preventative Location Lifting & Moving To lift and move the millBolting to Concrete Floors Leveling & MountingLeveling Assembly To install the ball handlesBall Handles Knee CrankFront way cover installed Way CoversPower Connection SB1025 220V 3-PhaseSB1024 SB1026Test Run Initial LubricationTo test run the machine To test the X-axis power feed unit and table limit switch To perform the spindle break-in procedure Inspections AdjustmentsSpindle Break-In Operation Overview A typical milling operation, the operator does the followingControl Panel Table MovementGraduated Index Rings Table LocksAxis Power Feed To operate the X-axis power feedHead Movement Tilting HeadRotating Head Tramming SpindleTo tram the spindle to the table Tools Needed QtyPlace the parallel block directly under Moving Ram Back-and-Forth Ram MovementRotating Ram Setting Spindle Speed Range Setting Spindle SpeedDetermining Spindle Speed Setting SB1024 Spindle Speed Range Model SB1024 Spindle Speed RangesSetting SB1025/SB1026 Spindle Speed Range Model SB1025 Spindle Speed RangesMeshing Spindle & Spindle Clutch Setting Spindle Speed Setting SB1024 Spindle SpeedSetting SB1025/SB1026 Spindle Speed F2/R2Using the Coarse Downfeed Handle Downfeed ControlsManual Disengaged Position Auto-Downfeed Engaged Position Using the Fine Downfeed Handwheel Fine Downfeed ControlsUsing the Auto-Downfeed System To use the auto-downfeed systemSpindle Brake = 0.006 in./rev = 0.0015 in./rev = 0.003 in./revLoading Tooling Loading/Unloading ToolingUnloading Tooling Maintenance Schedule Before Beginning OperationsOngoing Daily, After OperationsMonth/Year LubricationLubrication CleaningUnpainted & Machined Surfaces Quill Table Ways One-Shot OilerSpeed Range Bearing Sleeve SB1024 Only Headstock GearingPower Feed Gears To lubricate the power feed gearsRam Ways Head & Ram Rack & Pinion GearPower feed ball handle removed Drive Gear Bevel Gear Cleaning Coolant Reservoir CleaningTo clean out the coolant reservoir HazardsMachine Storage Lubrication section beginning onAdjusting Gibs Disconnect Mill from Power Before Adjusting the GibsAdjusting Leadscrew Backlash Longitudinal Leadscrew BacklashCross Leadscrew Backlash Ball handle, rings, and key removed from Cross leadscrewSymptom Possible Cause Possible Solution TR O U B L E S H O OTI N G Electrical Safety Instructions Wiring Overview Wiring Diagram Color KEYSB1024/SB1026 Electrical Box Box, SeeSB1024/SB1026 Electrical Components Control Panel Viewed From Behind See FigureSB1024/SB1026 Electrical Component Pictures Motor junction boxSB1025 Electrical Box SB1025 Electrical Components SB1025 Electrical Component Pictures SB1025 Motor junction boxHeadstock Headstock Parts List DescriptionReverse Trip Ball Lever Quill SB1024 Gearbox SB1024 Gearbox Parts List DescriptionSB1025/SB1026 Gearbox SB1025/SB1026 Gearbox Parts List SB1024 Belt Housing SB1024 Belt Housing Parts List SB1025/SB1026 Belt Housing SB1025/SB1026 Belt Housing Parts List CAM Ring Screw M6-1 XRam Ram Parts List 668 Column, Knee, & Saddle Parts List Saddle GIB709 Table Parts List Leadscrew NUT BracketOne-Shot Oiler C D E F G HSB1024/SB1026 Electrical Box & Control Panel Electrical BoxSB1025 Electrical Box & Control Panel Control PanelAccessories SB1024 Head Machine Labels SB1024 Main Machine Labels 220V 1PH LabelSB1025/SB1026 Machine Labels Page R R a N T Y Southbendlathe.com
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