Table of Contents
Advertisement
Wood Lathe Operation
Symptom
Possible Cause
Bad surface finish.
1. Dull tooling or wrong tool used for task.
2. Tool height is not
centerline.
3. Spindle speed is wrong.
Excessive vibration
1. Workpiece is mounted incorrectly.
upon startup
(when workpiece is
2. Workpiece warped, out of round, or flawed.
installed).
3. Machine sits unevenly on workbench.
4. Spindle speed too fast for workpiece.
5. Workpiece hitting stationary object.
6. Tailstock or tool rest not securely clamped
to lathe bed.
7. Belt pulley is not properly aligned.
8. Motor mount loose/broken.
9. Belt worn, loose, pulleys misaligned or belt
slapping cover.
10. Spindle bearings at fault.
Chisel grabs or digs
1. Wrong chisel/tool being used.
into workpiece.
2. Chisel/tool too dull.
3. Tool rest height not set correctly.
4. Tool rest is set too far from workpiece.
Tailstock moves
1. Tailstock mounting bolt/hex nut is loose.
under load.
2. Bed or clamping surface is excessively oily
or greasy.
Spindle lacks
1. Belt is slipping.
turning power or
2. Pulley loose.
starts up slowly.
3. Workpiece too heavy for spindle.
Quill will not move
1. Keyway is not aligned with quill lock lever.
forward when knob
is turned.
Model T32536 (Mfd. Since 10/20)
Possible Solution
1. Sharpen tooling, select correct tool for operation.
⁄
" above spindle
2. Adjust tool rest so tool is
1
8
3. Adjust for appropriate spindle speed (Page 23).
1. Remount workpiece, making sure that centers are
2. Cut workpiece to be concentric, or use a different
3. Adjust feet.
4. Reduce spindle speed (Page 23).
5. Stop lathe and fix interference problem.
6. Check lock levers and tighten if necessary (Pages
7. Align belt pulley (Page 35).
8. Tighten/replace.
9. Inspect/replace belt (Page 34). Realign pulleys if
10. Test by rotating shaft; rotational grinding/loose shaft
1. Use correct chisel/tool.
2. Sharpen or replace chisel/tool.
3. Correct tool rest height (Page 19).
4. Move tool rest closer to workpiece.
1. Tighten mounting bolt/hex nut.
2. Clean bed or clamping surface to remove excess
1. Tighten/adjust belt (Page 34).
2. Tighten pulley set screw; re-align/replace shaft,
3. Remove excess material before remounting; use
1. Align quill keyway and quill lock lever and slightly
⁄
" above spindle
1
8
centerline.
embedded in true center of workpiece.
workpiece.
18–19).
necessary (Page 35).
requires bearing replacement.
oil/grease.
pulley set screw, and key.
lighter workpiece.
tighten lever to engage keyway (Page 21).
-33-
Advertisement
Table of Contents
