Roll Grinding

Industrial Troubleshooting

Problem Possible Cause Suggested Correction Poor quality finish Contaminated coolant Filter coolant and clean regularly   Grit collection in guard Clean and flush inside guard periodically   Traverse too fast Reduce traverse rate   Poor wheel dressing Dress correctly before finish operation - use adequate coolant while dressing   Roll speed too slow Increase roll RPM   Infeed too heavy Reduce infeed for last few passes Chatter Spindle bearing failure Check bearings for quality and alignment   Roll speed too fast Reduce roll speed until vibration stops   Inadequate lubrication of roll necks Pour oil on roll necks, check condition of work rests   Wheel too hard Reduce wheel speed, use softer grade Burn Roll speed too slow Increase roll RPM   Wheel too hard Reduce wheel speed, use softer grade   Wheel needs dressing Dress wheel open with plenty of coolant