[Za...] Posted August 20, 2018 Share Posted August 20, 2018 Hello, colleges, have some body experiences of control characteristic with applied to a restricted length like in a draw? I can measure flatness, but not a parallelism.draw.PNG Link to comment Share on other sites More sharing options...
[Ow...] Posted August 20, 2018 Share Posted August 20, 2018 Go to Form and Location and select "Flatness_Ref: characteristic. Open it up, input the plane to be gauged and then select the parameter button. In the window that pops up after selecting parameter, under Zone size, put in 0.100 for the length 1 and length 2 and then flatness will be reported for each zone or the maximum zone area out of specification. Link to comment Share on other sites More sharing options...
[Aa...] Posted August 20, 2018 Share Posted August 20, 2018 Orientation [s]per unit length[/s] applied to a restricted length is a new one one me. It's not addressed in Y14.5. I'm not sure about ISO GPS. Corrected the description...I guess strikethrough is disabled... 😠 Link to comment Share on other sites More sharing options...
[Za...] Posted August 21, 2018 Author Share Posted August 21, 2018 In Y14.5 was written that unit of length can be applied only to flatness and strangles, but in ISO 1101 was written: "If a tolerance of the same characteristic is applied to a restricted length, lying anywhere within the total extent of the feature, the value of the restricted length shall be added after the tolerance value and separated from it by an oblique stroke" and no comment for witch characteristics it can be applied. Link to comment Share on other sites More sharing options...
[An...] Posted August 21, 2018 Share Posted August 21, 2018 Please sign in to view this quote. Within or outside of,depends on the designer's intend. (or the function of the mating part) Regarding the tilt angle of an OT plane,form deviation not regarded. Formula: tan(tilt angle) * length Link to comment Share on other sites More sharing options...
[Aa...] Posted August 22, 2018 Share Posted August 22, 2018 Please sign in to view this quote. ❓ 😱 Are you suggesting that a designer might intend for the tolerance of a characteristic should be applied outside the extents of the feature to which it is applied? Link to comment Share on other sites More sharing options...
[Aa...] Posted August 22, 2018 Share Posted August 22, 2018 Please sign in to view this quote. I make myself laugh sometimes. I guess that is, after all, a perfect description of projected tolerance zone... Link to comment Share on other sites More sharing options...
[Jo...] Posted August 27, 2018 Share Posted August 27, 2018 Please sign in to view this quote. Profile can be applied on a per unit basis. See the note after 8.3.2.2. This per unit parallelism is very weird though. Link to comment Share on other sites More sharing options...
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