Question

The diameter and rotational speed of a job are 100m and 500rpm respectively.the high spots are found at a spacing of 30 deg on the job surface.the chatter frequency is?solution

Answer 1

Chattering frequency is 100 Hz.

First we will calculate the number of chatter in a cycle

n=$\frac{360°}{30°}$=12

As given, number of cycle per second, 500 rpm/60=8.33 revolution per second

Therefor chattering frequency is 12*8.33=99.96 Hz=100 Hz

Therefore the chattering frequency is 100 Hz.