- 积分
- 53
UID223170
主题
在线时间 小时
注册时间2006-12-17
|
发表于 2007-12-17 20:46:09
|
显示全部楼层
来自: 中国上海
回复 1# 的帖子
简单补充一下。
4 P3 K0 g8 Y# O6 k) t% i& Z4 {7 W% _- ^0 F" y4 X8 b" V! [
STEP, the Standard for the Exchange of Product Model Data, is a comprehensive ISO standard (ISO 10303) that describes how to represent and exchange digital product information. 8 N( T+ Y- F0 A& ]- J
3 b( b2 _, ]/ A3 z- S' P- V, V& NISO 10303 is an ISO standard for the computer-interpretable representation and exchange of industrial product data. Its official title is Industrial automation systems and integration - Product data representation and exchange, and it is also known as STEP or the Standard for the Exchange of Product model data. The standard's objective is to provide a mechanism that is capable of describing product data throughout the life cycle of a product, independent from any particular system. The nature of this description makes it suitable not only for neutral file exchange, but also as a basis for implementing and sharing product databases and archiving./ [$ e6 C% x( A; Y
$ S/ c, f) }2 v3 n8 @0 ?+ F
以上两段,就不翻了,应该都看得懂。简单说,这两个标准都是来自iso 10303,就是当初为了不同CAD(CAE,CNC)系统之间数据交换制定的,所以,他的目标是产品的整个life cycle,大概就是PDM那套。当初肯定是非常先进的,现在嘛,有点难说。
: m) w# o+ @* Y
5 ?/ \: A3 D" c- }* {* I2 E至于两者的区别,也很好解释。/ c0 j$ H+ ~; S
Part 203: Configuration controlled design. Mainly used for 3D design and product .
! {* T& A' _: o) V' T* cPart 214 - Core data for automotive mechanical design processes
2 Q" g B# B5 G4 X. EAP203是给通用机械做的,AP214是给汽车行业做的。- Y; V M% F! C x& ~) B3 p% ~
7 J( p7 Y7 T$ a$ W$ M0 L; @实际上两者区别不是很大,AP-203 and AP-214 use the same definitions for three dimensional geometry, assembly data and basic product information.* a; c; e) N( V/ o& K/ i3 v
只是据说美国人用203的多,欧洲人用214的多。但203用的应该更广一些。
6 ^& }- r" T3 H) e5 `3 n' c& \& u# [4 w
平时使用没发现什么区别,就是214好像文件会更小。 |
|