131
EN
TROUBLESHOOTING
Cross slide, top
slide, or carriage
feed has sloppy
operation.
1. Ways loaded with
shavings, dust, or grime.
2. The gibs are not
adjustable.
3. Handwheel loose or
excessive backlash.
4. Leadscrew mechanism
worn or out of adjustment.
1. Clean ways and lubricate them.
2. Contact a specialised service centre.
3. Tighten handwheel fasteners, adjust
handwheel backlash to a minimum.
4. Adjust leadscrew to remove end play.
Cross slide, top
slide, or carriage
handwheel is
hard to move.
1. Ways loaded with chips,
dust, or grime.
2. The gibs are too tight.
3. Backlash setting too tight.
4. Bedways are dry.
5. Half nut lever engaged.
1. Clean ways and lubricate them.
2. Loosen gibs slightly.
3. Slightly loosen backlash setting.
4. Lubricate bedways.
5. Disengage half nut lever for manual feeding.
Cutting tool
or machine
components
vibrate
excessively
during cutting.
1. Tool holder not tight
enough.
2. Cutting tool sticks too far
out of tool holder; lack of
support.
3. The gibs are not
adjustable.
4. Dull cutting tool.
5. Incorrect spindle speed or
feed rate.
1. Check for debris, clean, and retighten.
2. Re-install cutting tool so no more than 1/3 of
the total length is sticking out of tool holder.
3. Adjust gibs at aff ected component.
4. Replace or resharpen cutting tool.
5. Use the recommended spindle speed and
feed rate.
Workpiece is
tapered.
1. Headstock and tailstock
not properly aligned.
1. Re-align the tailstock to headstock spindle
centerline.
Chuck jaws will
not move or do
not move easily.
1. Chips lodged in jaws or
scroll plate.
1. Remove jaws, clean and lubricate scroll plate,
then replace jaws.
Содержание 8.35.61.20
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