Grizzly T32720, Руководство пользователя

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-30-
Model T32720 (Mfd. Since 06/21)
Operation
Symptom Possible Cause Possible Solution
M
achine slows when
operating.
1. Operator using too much pressure.
2. RPM too low. 1. Use less pressure when grinding or stropping.
2. Increase RPM.
Grinding wheel slips
during rotation. 1. Torque is too low. 1. Increase torque ( Page 19).
Wavy condition
on surface of
workpiece. 1. Machine vibrating.
2. Workpiece not being held firmly.
3. Grinding wheel face uneven.
4. Grinding wheel is too hard.
1. Make sure machine is placed on a solid, flat
surface.
2. Brace workpiece against tool rest or use a holding
device to firmly retain workpiece.
3. Dress grinding wheel ( Page 28).
4. Use softer wheel (
Page 18)/reduce feed rate.
Lines on surface of
workpiece. 1. Impurity on grinding wheel surface.
2. Workpiece not being held tightly.
3. Grinding wheel dressed incorrectly.
1. Dress grinding wheel ( Page 28).
2. Brace workpiece against tool rest or use a holding
device to firmly retain workpiece.
3. Re-dress wheel (
Page 28).
Grinding wheel dulls
quickly, grit falls off. 1. Operator using too much pressure.
2. Wheel is too soft for material being ground.
3. Wheel diameter too small.
4. Wheel dressed incorrectly.
5. Wheel has been stored incorrectly.
6. Wheel is too old.
7. Defective wheel bonding.
1. Use less pressure when grinding.
2. Use harder bond (
Page 18).
3. Replace wheel ( Page 22).
4. Re-dress wheel (
Page 28).
5. Replace wheel ( Page 22). Only store grinding
wheel in a dry place that is not subject to extreme
temperatures (
Page 28).
6. Replace wheel (
Page 22). Consult manufacturer to
determine wheel shelf life.
7. Consult manufacturer of grinding wheel/replace
wheel ( Page 22).
Grinding wheel
clogs. 1. Wheel dressed incorrectly.
2. Wrong workpiece material.
3. Dirty water in reservoir. 1. Re-dress wheel (
Page 28).
2. Use correct type/size of material ( Page 17).
3. Empty, clean, and refill reservoir.
Stropping wheel
loses performance. 1. Insufficient wheel preparation.
2. Wheel is damaged, worn. 1. Prepare wheel correctly ( Page 24).
2. Replace wheel (
Page 22).