Re: [CAD_CAM_EDM_DRO] Re: 12 teeth48pitch

Actually, you'd be working with circular pitch of the gear not the
circumference of the gear (pinion).

And, No...the gear teeth are necessarily "fattened" due to the number of
teeth being as low as 12. Much of it depends on gear tooth form.

Smoke

>But for rack and pinion, one is no longer dealing with gear ratio
>anymore, isn't it? We would have to have matching teeth on the rack?
>And on revolution of the "pinion" would equal to 1 circumference of
>the pinion? There would be no amplification or reduction? gear ratio
>= 1?

>> The first thing you have to know is center distance between the two
>gear's and what ratio you want to run.The gear you have on your shaft
>could be short or long addendum or some kind of special. There is
>quit a few variable's when doing gear design . When you get down to
>12 teeth they will almost always fatten up the tooth for more
>strength and to eliminate the under cutting in the root area.
>>
>> Todd
>>
>>
>> [Non-text portions of this message have been removed]
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