Which
of the following curve is obtained traced by a point on the circumference of a
circle which rolls without slipping on a fixed straight line.
Pitch
circle
Addendum
circle
Cycloidal
Involute
Cycloidal
●In
cycloidal profile teeth, the faces of the teeth are epicycloids and the flanks
are the hypocycloids.
●A
cycloid is the locus of a point on the circumference of a circle that rolls
without slipping on a straight line.
●An
epicycloid is the locus of a point on the circumference of a circle that rolls
without slipping on the circumference of another circle.
●A
hypocycloid is the locus of a point on the circumference of a circle that rolls
without slipping inside the circumference of another circle.
Hence,
the correct option is (C).
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