2015年6月16日 · i have a question about symmetry in drawings , what is the correct way to indicate symmetry on a drawing in such a way that i wont have to write the dimensions of …

2010年8月11日 · As for whether the part is entirely symmetrical, that's irrelevant to visual symmetry. Now, whether or not everyone using the print can spatially perceive visual …

2014年6月24日 · ISO 129-1 permits symmetry to be indicted whilst ISO 2768-2 does not require it as it is implicit. I think symmetry should be indicated with the possible exception of shafts - …

2013年4月4日 · What drawing standards do you work to. What is the tolerance on the 'symmetry/how is the tolerance expressed? How is the center line, about which items are …

2017年12月4日 · Your first drawing is "composite positional tolerancing". The upper FCF controls the location for the 4 holes (pattern) as a group and the lower FCF only control the distance …

2009年3月18日 · This topic has come up before most recently in thread1103-239885, but on a quick look in ASME Y14.5M-1994 & a search of this site I can't find the text/section in the …

2009年7月5日 · Hi there, I have a problem of a symmetry part not completely showing up in my drawing. Only the first part body in its tree is shown. Nothing else is coming through. It might …

2014年2月11日 · Demonstrate symmetry in structural drawing ... Bad drawing conversion (hole pattern asymetric position) 1.

2007年12月4日 · I came across an interesting issue. Angles that appear 90 degrees are assumed right angles unless otherwise marked- are centerlines assumed to designate symmetry across …

2010年12月26日 · Symmetry using the symmetry symbol is referencing "median points" of the feature's surfaces. Ref 1994 5.13 and 5.14_Fig 5-60 and 5-61; 2009 7.7 and 7.72_Fig 7-65 …