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Drill Press Operations
Symptom
Possible Cause
Tool loose in spindle. 1. Tool is not fully drawn up into spindle taper.
2. Debris on tool or in spindle taper
3. Taking too big of a cut.
Breaking tools.
1. Spindle speed/feed rate is too fast.
2. Tool is too small.
3. Tool getting too hot.
4. Taking too big of a cut.
5. Spindle extended too far down.
Workpiece or tool
1. Table locks not tight.
vibrates or chatters
2. Workpiece not secure.
during operation.
3. Spindle speed/feed rate is too fast.
4. Spindle or quill extended too far down.
5. Quill lock lever not tight.
Table is hard to
1. Chips have loaded up on rack and pinion.
move.
Headstock is hard to
1. Headstock lock nuts at fault.
raise.
2. Rack and pinion at fault or jammed with
Bad surface finish.
1. Spindle speed is too fast.
2. Dull or incorrect cutting tool.
3. Wrong rotation of cutting tool.
4. Workpiece not secure.
5. Spindle extended too far down.
Spindle overheats.
1. Drill operated at high speeds for extended
Spindle does not
1. Poorly adjusted return spring.
return to highest
2. Worn return spring.
position.
Depth stop pro-
1. Depth stop not calibrated.
ducing inaccurate
results.
Model G0779 (Mfd. Since 09/14)
grime/debris.
period.
Possible Solution
1. Tighten drawbar.
2. Clean tool and spindle taper.
3. Lessen depth of cut and allow chips to clear.
1. Set spindle speed correctly or use slower feed rate
(Page 25).
2. Use larger tool.
3. Use coolant or oil for appropriate application.
4. Lessen depth of cut and allow chips to clear.
5. Fully retract spindle and lower headstock. This
increases rigidity (Page 21).
1. Tighten table locks (Page 20).
2. Properly clamp workpiece on table.
3. Set spindle speed correctly (Page 25).
4. Fully retract spindle and lower headstock. This
increases rigidity (Page 21).
5. Tighten quill lock lever (Page 24).
1. Frequently clean away chips that load up during
operations.
1. Loosen/replace lock nuts.
2. Fix/replace broken or loose parts; clean and
lubricate rack and pinion.
1. Set spindle speed correctly (Page 25).
2. Sharpen cutting tool or select one that better suits
the operation.
3. Check for proper cutting tool rotation.
4. Properly clamp workpiece on table.
5. Fully retract spindle and lower headstock. This
increases rigidity (Page 21).
1. Allow drill to cool.
1. Increase return spring tension (Page 36).
2. Replace return spring.
1. Calibrate depth stop (Page 36).
-35-
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