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Define Pinion Cutter Generating Process?
It is shown in diagram and it is same as rack cutter process, and instead of using a rack cutter it uses a pinion to generating the tooth profile. The cutting cycle is commenced after the cutter is fed rapidly into the gear blank equal to the depth of tooth required.
The cutter is then reciprocating cutting motion parallel to its axis similar to the rack cutter and the cutter and the blank are made to rotate slowly about their axis at speeds which are equal at the mating pitch surfaces. This rolling movement between the blank and the cutter is continued until all the teeth on the blank are cut. The pinion cutter in a gear shaping machine may be reciprocated either in the vertical or in the horizontal axis.
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