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| ÔÎÄCracks begin at corner toward horizontal due to lift force from die taper. |
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2Â¥2013-05-04 21:24:16
hookhans
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hanches: ½ð±Ò+2, ºÜרҵµÄ»Ø´ð~~~ 2013-05-05 10:25:29
hanches: ½ð±Ò+2, ºÜרҵµÄ»Ø´ð~~~ 2013-05-05 10:25:29
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Cracks begin at corner toward horizontal due to lift force from die taper. Òâ˼ÊÇ£ºÓÉÓÚÀ´Ô´ÓÚÄ£¾ß×¶µÄÌáÉýÁ¦£¬ Óɽǵ½Ë®Æ½Ã濪ʼ²úÉúÁÑ·ì¡£ die£ºÒ»°ãÊÇÖ¸¹«Ä£¾ß£¬ ±ÈÈç˵ÄãѹƬÓõÄÄǸöСµÄÔ²ÖùÐÎÌúƬ¡£ taper£ºÕâÀï·ÒëΪ¡°×¶¡° ±È½ÏºÃ¡£ die taper£º¼´£ºÄ£¾ßµÄ×¶¡£ ¹ØÓÚTap ºÍ die Taps and dies are cutting tools used to create screw threads, which is called threading. A tap is used to cut the female portion of the mating pair (e.g., a nut). A die is used to cut the male portion of the mating pair (e.g., a screw). The process of cutting threads using a tap is called tapping, whereas the process using a die is called threading. Both tools can be used to clean up a thread, which is called chasing. ²Î¿¼£ºhttp://en.wikipedia.org/wiki/Tap_and_die http://www.chinabaike.com/english/en/684772.html |

3Â¥2013-05-05 09:33:46













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