Help, I can’t find the dimensional tolerance for the outer diameter D of the American standard flange, please solve it!
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I can't find the tolerance for the American standard flange. Have I checked the 20592 standard? Do I have the national standard? Please give me some advice! Urgent, urgent, urgent!
HG/T 20615 Chapter 10 Isn’t it?
ASME B16.5-2009 is above.
20592 is the European standard, and the tolerance is within the "10 tolerance". 20615 is the American standard, and the tolerance is also within the "10 tolerance".
What does the original poster do to check the tolerance? This is a standard part, and only the processing factory considers this tolerance.
You can ask for tolerances when purchasing, and this problem is really not a problem.
I just checked the standard, and there is really no tolerance requirement for the outer diameter D in the standard. Same as the solution.
This is found in ASME B16.5-2017. Search tolerances in the standard and you can easily find it. Item 7 is it. as screenshot
\ud83d\udc4d, thanks
What I'm talking about is a standard issue. There is no such thing in the 20592 standard.