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Thank you. Chuck

This may sound very basic, but I need to be sure and I can not find an example in the spec. (ASME Y14.5M 1994). When a plane surface is toleranced perpendicular to a datum that is a cylindrical feature, must it be perpendicular all around or just in the view shown? I believe all around. Thanks...

Thanks for the help. It looks like profile of a surface is the best choice. Thank you, Chuck

Powerhound, I agree. I could also use a positional tolerance. I was trying to avoid giving up the .50 +/-.01 tolerance. Thanks, Chuck

OK I got it. Chuckhttp://files.engineering.com/getfile.aspx?folder=c74161c8-5a16-4d1f-a761-8bf68f1768c5&file=GDT.pdf

I must be doing something wrong. I can,t upload the file. I'll worl on it. Chuck

I would like to get comments on the attached sketch. 1. Are the GD&T tolerances done correctly? 2. Does the parallel .005 to B do anything or could it be left out with no change to the tolerance? Any help/suggestions will be greatly appreciated. Thanks, Chuck

Thanks for the quick reply. I was pretty sure, but wanted to have a second or third opinion before contacting our customer. Chuck

A customer has submitted numerous drawings where ASME Y14.5M-1994 is referenced. They use the Ø symbol for a cylindrical tolerance where a plane feature being controlled. I would like to know if the Ø symbol appropriate. Example: Perpendicular | Ø .005 |A Datum A is a cylindrical feature...