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Question

What is the addendum of a cycloidal gear tooth?

साइक्लोइडल गियर दांत का परिशिष्ट क्या है?

A.

Cycloid 

B.

Involute

C.

Epicycloid

D.

Hypocycloid

Answer ( Option C)

Epicycloid

Solution

  • In a cycloidal gear, the part outside the pitch circle is called addendum or epicycloid face.

  • In a cycloidal gear, the part of the tooth flank that lies outside the pitch circle has an epicycloid shape, while the part that lies inside the pitch circle has a hypocycloid shape.

Hence, the correct option is (C)

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