|
超级版主
注册日期: 04-03
帖子: 18592
精华: 36
现金: 249466 标准币
资产: 1080358888 标准币
|
iso 4183 1995 question
iso 4183 1995 question
anybody know how the datum width of a v-belt is calculated? i don't need to know, and my curiosity isn't worth 83 bucks, but i know what the dimensions are, i just wonder what the arbitrary width is about. din and american are easy, it's top width, but why "datum width?"
__________________
借用达朗贝尔的名言：前进吧，你会得到信心!
[url="http://www.dimcax.com"]几何尺寸与公差标准[/url]
|