发明名称 |
Method and apparatus for tolerancing three dimensional drawings. |
摘要 |
<p>A method and apparatus for tolerancing a three dimensional drawing on a computer aided design system is disclosed. A datum (34) is defined with respect to a three dimensional object (32) shown on a CAD system. A tolerance type is selected as is the numerical value for the tolerance. A geometric element from the CAD model is then selected such that the tolerance applies to the selected element. <IMAGE></p> |
申请公布号 |
EP0468909(A2) |
申请公布日期 |
1992.01.29 |
申请号 |
EP19910480089 |
申请日期 |
1991.06.18 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
CRAGUN, BRIAN JOHN;SCHNIER, RANDALL RICHARD |
分类号 |
G06F17/50;G06T17/00 |
主分类号 |
G06F17/50 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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