Difference between Cycloidal and Involute Tooth [ Comparison chart ]

Difference Between Cycloidal and Involute Tooth

Contents

Comparison between Cycloidal and Involute Tooth

Cycloidal Tooth	Involute Tooth
Pressure angle varies from a maximum at the beginning of the engagement, reduces to zero at the pitch point, and again increases to a maximum at the end of the engagement resulting in the smooth running of gears.	The pressure angle is constant throughout the engagement of teeth. This results in the smooth running of the gears.
It involves double curves for the teeth, epicycloid, and hypocycloid. This complicates the manufacturer.	It involves double curves for the teeth, epicycloid, and hypocycloid. This complicates the manufacturer.
It involves double curves for the teeth, epicycloid, and hypocycloid. This complicates the manufacturer.	These are simple to manufacture and thus are cheaper.
Exact center distance is required to transmit a constant velocity ratio.	A little variation in a center distance does not affect the velocity ratio.
The phenomenon of interference does not occur at all.	Interference can occur if the condition of minimum no. of teeth on a gear is not followed.
Interference can occur if the condition of minimum no. of teeth on a gear is not followed.	The teeth have radial flanks and thus are weaker as compared to the Cycloidal form for the same pitch.
In this, a convex flank always has contact with a concave face resulting in less wear.	Two convex surfaces are in contact and thus there is more wear.