Piston Factory Tour

7. CNC Machining of Ring Groove & Piston Pin Hole

Above: A computer controlled machine (CNC) is used to cut the piston ring grooves. All three piston ring grooves are precision cut in one operation.

Below: This is a CNC Precision boring, honing, sizing, and piston clip machine. All 4 operations are done sequentially on five pistons at a time without removing the piston This increases quality control while decreasing unit cost.

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