Radiac Abrasives

Suggested Action

1. Flex wheels, look and listen for the cracks. If cracked, check the shipping containers for damage.
2. Use the proper methods of storing and handling wheels.
3. Reduce the spindle speed. Never operate a cut-off wheel at a speed in excess of the maximum operating speed.

2. Symptom
Wheels stall or break in the widest part of cut.

Suggested Action

1. Re-adjust, repair or replace the work holder.
2. Use a softer grade wheel.
3. Reface or replace the flanges.

3. Symptom
Wheel cuts crooked and/or breaks.

Suggested Action

1. Check for and remove broken wheel pieces and other materials that may be deflecting the water flow. Adjust the water flow to be equal on both sides of the wheel.
2. Check spindle runout and replace bearing if required.
3. If wheel appears to be dished or warped, notify the local distributor or factory representative.

Suggested Action

1. Align the feed table with the work holder.
2. Repair or replace worn work holder surfaces.

5. Symptom
CUT surface is burned.

Suggested Action

1. Use a Softer grade wheel.
2. Cut faster.
3. Re-align the feed table with the work holder.
4. Repair or replace worn work holder surfaces.
5. Reduce the spindle speed. Never operate a cut-off wheel at a speed in the excess of the maximum operating speed marked on the wheel.
6. Improve water application as follows:
   1. Clean the nozzle, water lines and tank.
   2. Remove sludge and chips from the coolant tank.
   3. Check pump for proper flow.
   4. Adjust the nozzle so the water is directed to the area where wheel and material are in contact.

6. Symptom
Wheel stalls in the cut and motor stalls.

Suggested Action

1. Use a softer grade wheel.
2. Cut at a slower rate.
3. Align and/or repair the feed table and work holder.