Question

A 65-tooth spur gear is in mesh with a 32-tooth pinion. For a diametral pitch equal to 7 and pressure angle equal to 20 degrees. Find the circular pitch in mm.

Answer 1

0.4488 mm

Step-by-step explanation:

Number of teeth in spur gear = 65

Number of teeth in pinion = 32

Diametral pitch = 7 = P

pressure angle = ∅ = 20°

Circular pitch of measured on the pitch circle is defined as the distance between two corresponding points.

Circular pitch

`p=(\pi)/(P)\\\Rightarrow p=(\pi)/(7)\\\Rightarrow p=0.4488\ mm`

So, the circular pitch is 0.4488 mm