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How to calculate the gears of an external gear pump and how to know how many...

How to calculate the gears of an external gear pump and how to know how many teeth I need?
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Answer #1

In external gear pump, there are always two spur gears.

The no. of teeth can be calculated as z = P × D

where z is no. of teeth

P is Pitch diameter

D is diametral pitch

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