Ironton 61456, Руководство пользователя

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Page 14 of 19
Failure Possible Cause Corrective Action
Incorrect fuses or circuit breakers in
power line.
Have a qualified technician repair unit.
Motor overload. Reduce the load on the motor.
Unit slows when
operating.
Feed rate is too great.
Reduce the rate at which the
workpiece is fed into the working area
of the tool (grinding wheel).
Wavy condition
on surface of
workpiece.
Machine vibrating.
Ensure machine is securely mounted
on a solid surface.
Workpiece not being held firmly.
Use a holding device to firmly retain
the workpiece.
Wheel face is uneven. Dress the grinding wheel.
Wheel is too hard.
Use a softer wheel or reduce the feed
rate.
Lines on surface
of workpiece.
Impurity on surface of wheel. Dress the grinding wheel.
Workpiece not being held tightly.
Use a holding device to more firmly
retain the workpiece.
Burning spots or
cracks in the
workpiece.
Improper type of grinding wheel.
Try wheels with a softer bond or
coarser grit.
Improper feed rate.
Slow down the rate at which the
workpiece is fed into the wheel.
Coolant required. Add coolant.
Wheel dulls
quickly or grit
falls off.
Feed rate is too aggressive.
Decrease feed rate of workpiece into
grinding wheel.
Wheel is soft.
Select a grinding wheel with a harder
bond of material.
Bad wheel dressing. Dress the wheel.
Defective wheel bonding. DO NOT USE.
Wheel clogs and
workpiece shows
burn marks.
Wheel is too hard.
Select a grinding wheel with a softer
bond of material.
Feed rate is too slow.
Increase the feed rate of the
workpiece into the grinding wheel.
Bad wheel dressing. Dress the wheel.
Coolant required. Add coolant.