A small doubt on gears

by aniruddha
Tags: doubt, gears
aniruddha is offline
May15-10, 01:38 PM
P: 7
I have this doubt on spur gears
Is it necessary that the pitch circles of the two mating gears need to be tangential? or will a small gap of 0.3mm matter?
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elephunk is offline
May15-10, 05:31 PM
P: 23
I think a gap that large will cause slip. Thus I should think they need to be tangential. Hoping for someone to come in and confirm that though.
jack action
jack action is offline
May16-10, 03:35 PM
P: 522
I'm not sure if this is what you're talking about, but you can read about extended center distance.

elephunk is offline
May16-10, 07:19 PM
P: 23

A small doubt on gears

I think he is talking about circular pitch. In which case I would think this has to be tangential.

I am trying to find some engineers who might know the exact answer.
cstoos is offline
May17-10, 07:24 AM
P: 64
I always thought that the pitch circle was tangential by definition. Isn't it defined by the line of action?

Or are you talking about pitch as in teeth/length?

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