[Me...] Posted October 3, 2018 Share Posted October 3, 2018 First time encounter this blueprint callout - perpendicularity to 3 datums. Drawing interpret per ASME Y14.100-2013 and ASME Y14.5-2009. Can anyone tell me what do this callout mean? Or where can I read more about this? I have a copy of ASME Y14.5-2009 Is this a legal callout ? And if it is, how do I report it with Calypso?Perpendicular callout.jpg Link to comment Share on other sites More sharing options...
[Me...] Posted October 3, 2018 Author Share Posted October 3, 2018 Sorry about the picture orientation. Link to comment Share on other sites More sharing options...
[An...] Posted October 4, 2018 Share Posted October 4, 2018 _ Link to comment Share on other sites More sharing options...
[Jo...] Posted October 5, 2018 Share Posted October 5, 2018 The feature being controlled should be nominally perpendicular to the primary datum. That doesn't appear to be the case here. Link to comment Share on other sites More sharing options...
[To...] Posted October 5, 2018 Share Posted October 5, 2018 John's right. My BS detector is going off, really loudly. Link to comment Share on other sites More sharing options...
[Jo...] Posted October 5, 2018 Share Posted October 5, 2018 And exactly what are datum features C and G? They can't be some non-existent plane. There has to be a real feature that they are derived from. Link to comment Share on other sites More sharing options...
[An...] Posted October 5, 2018 Share Posted October 5, 2018 _ Link to comment Share on other sites More sharing options...
[Me...] Posted October 5, 2018 Author Share Posted October 5, 2018 Datum C is symmetry plane from the 2 sides of that rib. Im not sure what datum feature G isCapture2.PNGperpendicular.PNG Link to comment Share on other sites More sharing options...
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