Cam size depends upon:
Base circle
Pitch
circle
Prime circle
Outer circle
Base circle
Cam size depends upon base circle. It is the smallest circle tangent to the cam profile (contour) drawn from the center of rotation of a radial cam.
Hence, the correct option is (A)
&Key Points:-
●Pitch
point : It is the point on the pitch curve at which pressure angle is maximum.
●Pitch
circle : It is the circle passing through the pitch point and concentric with
the base circle.
●Prime circle : The smallest circle drawn tangent to the pitch curve is known as the prime circle.
Preparing students for success in a changing World.
We care about our students
RPSC-AE, RSMSSB-JE, SSC-JE, RRB-JE, PSU's