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时间:2018-05-22
《jbt6541-2004;冷挤压件形状和结构要素》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、ICS25.010J32Ij中华人民共和国机械行业标准JB/T6541-2004代替JB/T6541-1993冷挤压件形状和结构要素Shapeandstructureelementsforcoldforgingpart2004-03-12发布2004-08-01实施中华人民共和国国家发展和改革委员会发布IB/T6541-2004目次前言....-.-..............⋯⋯,二‘二,..................................⋯⋯,,“,.....一⋯⋯,二,..⋯11
2、I范围.⋯⋯,...一‘..一‘......⋯⋯“.价⋯⋯‘一,二‘.⋯卜.⋯⋯,.-⋯⋯‘,,.⋯I2符号........⋯⋯,.⋯,.一,⋯‘,,,‘...⋯⋯,..⋯,.二,⋯⋯,.‘........⋯13冷挤压件分类.,..................一,⋯,一,.....⋯⋯‘价,..⋯⋯,⋯⋯“..⋯....13.1冷挤压件按形状分类一‘...-..........一卜...⋯⋯,....-....⋯⋯卜⋯⋯_.,.⋯⋯,.二,,二t.二I3.2冷挤压件按工艺分类..-.....-.⋯
3、..........................一,.,.............⋯⋯I4冷挤压件结构要素二,....⋯⋯‘_,...⋯⋯,..........-....-........⋯,.-.......-..-..........................44.1确定结构要素的一般原则.,,t.一,.-⋯,⋯价,,,二,.,,..一,,..,.,,,.‘,...44.2反挤压杯形件长径比.⋯,,..⋯⋯,-..........⋯⋯_..........................
4、..............二....⋯44.3杯形反挤压件底厚和壁厚的比..........一‘...-..⋯⋯卜⋯⋯.⋯⋯‘......⋯⋯‘...............54.4正挤压凹模人口角2a,反挤压凸模锥顶角尽价,...⋯⋯,,.,.⋯⋯,.,.⋯⋯,.⋯,,二‘一t.....⋯54.5复合挤压件连皮位置及厚度h,.........‘.............⋯⋯,.....-......................⋯⋯t...54.6冷挤压件内圆角半径和外圆角半径⋯卜.‘.....
5、....................................................一‘..,.....54.7冷挤压件凹穴的尺寸和位置⋯,,..⋯⋯价.....⋯,..........⋯⋯_.,..⋯‘二,...二_.....二6图、实心件正挤压⋯,,二‘......一,-........⋯⋯,⋯‘二价一,⋯‘二价⋯_一....一..........⋯⋯1图2空心件正挤压.⋯‘.,二‘.⋯⋯,二,⋯⋯..‘⋯⋯._...,.t.1图3实心件正挤形状实例..........-.⋯,
6、..,‘二价......-⋯,.....⋯⋯,...-..⋯价.....⋯⋯,.⋯⋯2图4空心件正挤形状实例一‘.,.,...-......-......⋯⋯‘.,...一‘.二‘t..⋯‘...t.‘......⋯2图5杯形件反挤压..,..⋯⋯,.一,,二,,一‘二,,.......⋯⋯,...⋯⋯,...⋯⋯..⋯⋯,,....z图6杯一杆件反挤压.........⋯⋯价...⋯⋯,.-......⋯⋯‘......-............一.......⋯t..一2图7反挤压件形状实例.一‘
7、⋯,.,一‘一,⋯⋯,卜..............-.......-.⋯⋯,,二‘......二z图8杯一杯件复合挤压.⋯‘..........-..,.....⋯⋯,,.......................一........一3图9杯一杆件复合挤压一‘.............-.....................-...........⋯,.‘.................⋯⋯3图10杆一杆件复合挤压.‘⋯‘-⋯‘....-.一‘.⋯‘.,“t..‘3图11复合挤压件形状实例.
8、,一,.⋯⋯,.........................-....⋯⋯‘.....-.....⋯t⋯3图12徽挤复合成形......⋯⋯卜.卜..........⋯⋯“.⋯⋯‘卜...⋯⋯“.⋯‘,.-....⋯,..二3图13傲挤件形状实例,,.⋯⋯,,,“,.”..⋯⋯,⋯,.”.............⋯⋯,....3图14径向挤压.⋯‘..............⋯⋯‘..........⋯⋯‘.⋯,‘.............⋯⋯‘.一
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