|
Problem
|
Possible
Cause
|
Solution
|
| Quality
of cuts is poor (rough or torn surface) |
Cutter is above
workpiece centerline
Lathe speed too
slow
Cutter is dull
Cutting too aggressively
|
Lower Table to
bring down to centerline; or down to 1/16" maximum below centerline
for certain types of wood.
Check Speed Chart
& increase speed
Replace the Cutter
Use a lighter touch
|
| Inexact
diameters |
Improper alignment
of Lathe Centers - or Follower to Cutter
Using wrong Follower
Way Tube Clamp improperly positioned
Alignment not checked when remounting Duplicator
|
Check alignment
and adjust if required
Change to Follower with same shape as Cutter
Check that recessed
ends of both Clamps engage Way Tubes properly. Reposition as required.
Check alignment
and adjust if required.
|
| Good
cuts on one end of turning, but poor cuts on the other |
Lathe Centers not
parallel to Table
Way Tube Clamp
improperly positioned
|
Chekc Table-to-Lathe
Centers parallelism & align
Chekc that recessed
ends of both Clamps engage Way Tubes properly & re-position if required.
|
| Cuts
are tapered |
Template not centered
properly or centerline not drawn squarely on template
Way Tube Clamp
improperly positioned
|
Straighten template
on centers or redraw centerline on template
Check taht recessed ends of both Clamps engage the Way Tubes properly
& re-position, if required.
|
| Excessive
vibration (whip & chatter) when turning thin spindles |
Cutter is positioned
below workpiece centerline
Cutting too aggressively
|
Raise Table so
Cutter is on centerline
Use a lighter touch
|
| Excessive
vibration when turning larger spindles or bowls |
Workpiece
Centers improperly located or wood is unbalanced |
Check
for proper centers and balance. Relocate center(s) or cut off stock until
workpiece is balanced. |