Machine Design
For low and moderate speed engines, the cam follower should move with

Simple harmonic motion
Cycloidal motion
Uniform velocity
Uniform acceleration and retardation

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Machine Design
The flank of the tooth is the

Width of the tooth measured along the pitch circle
Surface of the top of the tooth
Surface of the tooth below the pitch surface
Surface of the tooth above the pitch surface

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Machine Design
For unequal width of butt straps, the thicknesses of butt straps are

0.75 t for narrow strap on the inside and 0.625 t for wide strap on the outside
0.75 t for both the straps on the inside and outside
0.625 t for both the straps on the inside and outside
0.75 t for wide strap on the inside and 0.625 t for narrow strap on the outside

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