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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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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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v3 _0 f4 E$ S. ~! I) _* {- K! {# ?According to ASME Y14.5-1994 para. 2.5, single limits dimensions such as those indicating MAX or MIN:
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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].* }) A: k# \* r5 L2 _$ i" d
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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.7 c2 e3 R. S% `8 A$ d6 G1 z" P
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8 Z1 Q) t2 {: G6 \) e+ m! n/ n谢谢大家的关注！0 U1 a+ M4 \! }3 ~/ U2 W) P
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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