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Gear cutter definitions.

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Andrew Tinsley	28/03/2020 16:18:47
1817 forum posts 2 photos	Hello everyone, I am sorting out some inherited gear cutters. Most of them have the DP and tooth range stamped on them some also have the Pressure angle too. There are quite a few that have simply P stamped on them where I would expect it to be DP. Do I assume that the P is just a shortened form of DP? A few have nothing except the manufacturer's number, which I assume are "specials"? Thanks, Andrew.
Brian H	28/03/2020 16:45:39
2312 forum posts 112 photos	P could stand for pitch which I would guess would be circular pitch (CP). Brian
Andrew Tinsley	28/03/2020 17:01:29
1817 forum posts 2 photos	Thanks Brian, I had not thought of that. Andrew.
Jouke van der Veen	29/03/2020 09:58:08
203 forum posts 19 photos	DP appears to stand for Diametrical Pitch. Number of teeth on a diameter of 1”? Regards, Jouke

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