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The meaning of positional tolerance and profile tolerance

Question asked by Tran Van Quang on Apr 16, 2018
Latest reply on Jul 6, 2018 by Dan Pihlaja

Dear guys,

I’m sory because I don’t find a suitable place to post my question

I have 2 dimensions with positional tolerance and profile tolerance. But I don’t understand exactly the meaning of them and the role of them when manufacturing.

May anyone help me please

Thank you