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The part has an external tooth gear. The ID has only a 2mm chamfer. For some reason, this does not seem like this part would have an ID thread, but perhaps a spline? The 65mm dimension calls out the word (PITCH) after 6. Perhaps a 6 tooth spline with 65mm major.
I'm obviously guessing, but still does not look like a threaded part with the ID having a finish callout. A spline would make sense to have that callout.
This is one of those times when a call to the customer is in order.
JR
Could the "F" be for "female"? I know that's somewhat obvious on the print, but in standard prints we still use the "A" & "B" designations for male and female even though it's generally obvious.I'm kind of leaning towards ISO 30° Trapezoidal, but the F in the call out has me second guessing that idea.
Why are some so hesitant to contact a customer? You get to know them and they get to know you. I've found that "the personal touch" often makes the difference.
Some people want a sanity check before they contact the customer and then find they overlooked something blazingly obvious. Some people want some discussion of possibilities so they are sure to have all their questions answered in the first call.
Dennis
Yes, Gordon, you are definitely "some other person".
I guess I'm not "some people" I've no objection to my customers asking questions and they do often. I ask questions too. How else can misunderstandings be avoided?
This is one of those times when a call to the customer is in order...
This is one of those times when a call to the customer is in order.
It doesn't make sense here, but where I worked, TPF stood for Temperature, Pressure, Flow. I don't think that they're sizing a control valve on that drawing.
JR
I will end up having to call the customer to have them chase it back up the chain for clarification it looks like - if it has everyone here scratching their heads.
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