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发表于 2009-7-30 20:51:09
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来自： 中国浙江温州
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: w* T/ r9 l! c k我也联系了美国的制图者，刚收到他的回复，基本和上述仁兄的分析吻合。 现分享下他的回复内容，如下：
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According to ASME Y14.5-1994 para. 2.5, single limits dimensions such as those indicating MAX or MIN:2 {7 w$ F( C; O' E+ o0 \ d; a' g
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“Single limits are used where the intent will be clear, and the unspecified limit can be zero or approach infinity and will not result in a condition detrimental to the design.”
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Therefore, the .0015 max. radius or chamfer on drawing does not require a radius or chamfer, and the edge can be sharp, but if a radius or chamfer is present, it must not be any larger than .0015 [0.038 mm].& X; S+ a% `; u& [, X
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I hope this answers your question, but if it is still unclear let me know and I will try to explain further.
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Thanks1 ]' u- G4 b9 Y5 O
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4 ?8 z3 ], l0 A# j9 w4 E5 G谢谢大家的关注！
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[ 本帖最后由 wangyanwei 于 2009-7-30 20:53 编辑 ] |
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发表于 2009-7-30 14:34:47
:P :P :P :P