Wood Lathe Operation - Grizzly G0456 Owner's Manual

Wood Lathe Operation

SYMPTOM
Workpiece vibrates exces-
sively.
Chisels grab or dig into
workpiece.
Bad surface finish.
Inaccurate turning results
from one end of the
workpiece to the other.
Tailstock moves.
Hard to remove tapered
tool from tailstock barrel.
G0456 Variable Speed Wood Lathe
POSSIBLE CAUSE
1. Workpiece mounted incorrectly.
2. Workpiece warped, out of round, or
is flawed.
3. Spindle speed is set too fast for
mounted workpiece.
1. Tool rest set too low.
2. Tool rest set too far from workpiece.
3. Wrong chisel/tool being used.
4. Chisel/tool dull.
1. Wrong spindle speed.
2. Dull chisel or wrong chisel being
used for the operation.
1. Headstock and tailstock are not
properly aligned with each other.
1. Tailstock mounting bolt loose.
2. Too much clamping pressure
applied by tailstock.
3. Bed surface is oily or greasy.
1. Tailstock barrel had not retracted all
the way back into the tailstock.
2. Debris was not removed from taper
before inserting into barrel.
3. Tapers have rust.
CORRECTIVE ACTION
1. Re-mount workpiece, making sure that centers are
embedded in true center of workpiece.
2. Cut workpiece to correct, or use a different
workpiece.
3. Reduce the spindle speed.
1. Set tool rest higher. See Page 17 for how to prop-
erly set the tool rest height.
2. Move the tool rest closer to the workpiece. See
Page 17 for the proper workpiece/tool rest clear-
ance.
3. Use the correct chisel/tool; educate yourself by
reading books, trade magazines, or seeking help
from an experienced lathe operator.
4. Sharpen or replace the chisel/tool you are using.
1. Use trial-and-error to find a better spindle speed.
2. Sharpen chisel or try a different chisel.
1. Realign the tailstock to the headstock. See Page
32.
1. Tighten.
2. Apply less clamping pressure with tailstock.
3. Clean bed surface to remove oil/grease.
1. Turn the barrel handwheel until it forces taper out of
barrel.
2. Always clean tapers before installing.
3. Remove rust and wipe down with metal protectant;
do not keep tapers installed when not in use.
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