Wood Lathe Operation - Grizzly G0632 Owner's Manual

Wood Lathe Operation

SYMPTOM
Vibration noise while
machine is running; noise
changes when speed is
changed.
Vibration noise while
machine is running; noise
remains constant when
speed is changed.
Excessive vibration.
Chisels grab or dig into
workpiece.
Bad surface finish.
Inaccurate turning results
from one end of the
workpiece to the other.
Tailstock moves.
Can't remove tapered tool
from tailstock barrel.
-38-
POSSIBLE CAUSE
1. Belt cavity cover(s) loose.
1. Dented fan cover on motor.
1. Workpiece mounted incorrectly.
2. Workpiece warped, out of round, or
is flawed.
3. Spindle speed is set too fast for
mounted workpiece.
4. Lathe is resting on an uneven sur-
face.
5. Motor mount bolts are loose.
6. Belt is worn or damaged.
7. Spindle bearings are worn.
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. 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.
CORRECTIVE ACTION
1. Tighten the screws that mount the belt cavity
cover(s); if necessary install a soft, vibration damp-
ening material between the belt cover and the head-
stock casting.
1. Replace or adjust fan cover. Inspect motor fan and
replace if damaged.
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.
4. Shim stand or adjust feet on stand to remove any
wobbles present in the stand.
5. Tighten motor mount bolts.
6. Replace belt (see Page 38).
7. Replace spindle bearings.
1. Set tool rest higher. See Page 30 for how to prop-
erly set the tool rest height.
2. Move the tool rest closer to the workpiece. See
Page 30 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
38).
1. Tighten.
2. Clean bed surface to remove excess oil/grease.
1. Turn the barrel handwheel until it forces taper out of
barrel.
.
2 Always make sure that taper surfaces are clean.
G0632 16" x 42" Variable Speed Wood Lathe