The flanks of teeth of rack-type gear cutter used for cutting involute

1.	The flanks of teeth of rack-type gear cutter used for cutting involute gear profiles are
A.	Cycloidal
B.	Circular
C.	Involute
D.	Straight
Answer» D. Straight

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The flanks of teeth of rack-type gear cutter used for cutting involute gear profiles are

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