Trouble Shooting

FinishOperating ParametersAbrasive Tool Selection
Finish too roughIncrease spindle RPMFiner grit
Decrease oscillationHarder grade
Decrease pressureDenser structure
Finish too fineDecrease spindle RPMCoarser Grit
Increase oscillationSofter grade
Increase pressureMore open structure
Material RemovalOperation ParametersAbrasive Tool Selection
Excessive stone wearIncrease spindle RPMHarder grade
Decrease oscillationDenser structure
Decrease pressure
Decrease pressure
Low material removalIncrease pressureSofter grade
Increase oscillationCoarser grit
Decrease spindle RPMMore open structure
Check incoming finish
Check coolant
Part GeometryOperating ParametersAbrasive Tool Selection
Part out-of-roundDecrease pressureSofter grade
Decrease spindle RPMMore open structure
Increase oscillation
Check spindle to part alignment
Chatter marksCheck upstream grinding operation for high amplitude lobing or chatter
Process ProblemsOperating ParametersAbrasive Tool Selection
Excessive heat generatedCheck coolant temperatureSofter grade
Decrease pressure
Increase coolant flow rate
LoadingDecrease spindle RPMSofter grade
Increase oscillationCoarser grit
Check coolantMore open structure
Stone WearOperating ParametersAbrasive Tool Selection
Uneven stone or wheel wearCheck spindle to part alignmentHarder grade
Excessive stone wearIncrease spindle RPMHarder grade
Decrease oscillation
Decrease pressure
Increase coolant flow