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Tmoose, it is a fitting application on a medical device. Used to quickly seal a connector with an O-ring into a cap without too much rotational movement needed.

I called it out as best as I could in the image here.. The flagged number 3 references a note that says to check the thread with a mating part so they don't need to measure the PD. Not sure if this is the best way but it's the best I could come up with.

3DDave, Thanks for the info. When you mention just calling it out without using the DIN 405 reference, how would that look from a syntax standpoint using the values that I have above? I don't have access to the standard which calls out the formatting for these threads.

Tmoose, they're actually 30deg per the DIN standard. Also the thread root has a much larger radius than most standard threads. If it wasn't truncated the thread shape would essentially be a wave because the radius of the crest = the radius of the root. I'm pretty confident in the...

Hello, I am working on specifying an external thread that I have measured on a part. From what me and our experienced machinist have been able to conclude, it is a non-standard DIN 405 thread with a full root radius and truncated outside diameter. That being said, I am having trouble finding...

Hey Mfgenggear, Sent the gears off for material testing. Following that I will send off to gear vendor for identifying.

Understood. Thanks for the AGMA reference as well. Will update with what the gear people say as well once I send them off. Judging from what you guys said I definitely need another set of eyes on these

Hello Mfgenggear, You are the man! Thank you for breaking it down for me I will rework the numbers and follow up on Monday. But to measure the circular pitch correctly I need to know the pitch circle diameter to measure it from don't I? I notice that the table doesn't quite go up to 96 DP...

INTRO Very new to gear design here so please bear with me. I am attempting to reverse engineer a 2-stage stainless steel planetary gear set at work and am looking to verify the diametral pitch and pressure angle I have calculated. I suspect that due to the slightly worn condition of the...