Internal grinding involves fixturing the part on a spindle axis as it is ground. This configuration can be compared to fixturing a part on a lathe with or without a tail stock. The abrasive material is on a grinding wheel that rotates in a direction such that rolling contact occurs where the wheel contacts the work piece. Centered grinding is accurate and stable, but set-up takes time and thru-put feeding is slower.

Outside Diameters to: 13.5″

Inside Diameters to:12″

Lengths: to 10″

Tolerances: to .0005″

Finishes: to 8-10 Ra

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