几何尺寸与公差论坛------致力于产品几何量公差标准GD&T (GDT:ASME)|New GPS(ISO)研究/CAD设计/CAM加工/CMM测量

几何尺寸与公差论坛------致力于产品几何量公差标准GD&T (GDT:ASME)|New GPS(ISO)研究/CAD设计/CAM加工/CMM测量 (http://www.dimcax.com/hust/index.php)
-   tec-ease(America) (http://www.dimcax.com/hust/forumdisplay.php?f=93)
-   -   Features Of Size Question (http://www.dimcax.com/hust/showthread.php?t=31338)

huangyhg 2009-11-25 09:48 PM

Features Of Size Question
 
http://www.eng-tips.com/viewthread....d=257385&page=1
fsincox (Aerospace)23 Oct 09 16:35
Gentlemen,
I am curious if the interpretation of the ASME Y14.5 standard is the same for all others but me on the issue of Features of Size (ASME Y15.4-1.3.17, 1992). I had never interpreted the "or a set of two opposed elements or opposed parallel surfaces". To mean the surfaces had to be "directly" opposed, so to speak. This is the way one of the big names teaches it. I also know there is dissent among the ranks on various issues in the standard. I just wondered what others think. Say something like this:


所有的时间均为北京时间。 现在的时间是 02:35 AM.