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Automatic Judgement on Form-Position Precision Grade of Features

Automatic Judgement on Form-Position Precision Grade of Features
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摘要 Based on GB/T1184-1996, four form-position tolerance tables are listed on the appendix B. The regularity of distribution for form-position tolerances is deliberately analyzed. This paper describes a formulated method for identifying the precision grade, deduces the functional relation formulae between the tolerance and its precision grade, and further confirms the automatic judgement method presented by a practical program on PC computed Based on GB/T1184-1996, four form-position tolerance tables are listed on the appendix B. The regularity of distribution for form-position tolerances is deliberately analyzed. This paper describes a formulated method for identifying the precision grade, deduces the functional relation formulae between the tolerance and its precision grade, and further confirms the automatic judgement method presented by a practical program on PC computed
出处 《Computer Aided Drafting,Design and Manufacturing》 1998年第2期43-49,共7页 计算机辅助绘图设计与制造(英文版)
关键词 CAD/CAM CAPP form-position tolerance precision grade CAD/CAM, CAPP, form-position tolerance,precision grade
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