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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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Hi XXX,
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According to ASME Y14.5-1994 para. 2.5, single limits dimensions such as those indicating MAX or MIN:8 [ S1 R* _( g5 _
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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.”5 G7 r. r9 b! h- d( s
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$ ?1 F7 R u- x& u( Z, `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]./ _ ]/ {1 s1 P0 l
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6 Z. F8 ]# q! C m1 O- c: U3 XI hope this answers your question, but if it is still unclear let me know and I will try to explain further.- X2 H! V5 |$ K$ ?
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7 H h% y- O" \# p: c, T谢谢大家的关注！8 {. h9 B% l6 r6 p! c3 `" i% ]1 t; j
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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