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合金钢管的冲压缺陷分析

发表时间:2019/9/26 16:11:13 【   

  车身q355c合金钢管冲压工艺***典型的缺陷是破裂、起皱和回弹。破裂主要是由于拉深过程中局部变形量过大,超出材料的强度极限而生裂纹******导致破坏。破裂的预防主要是从提高材料的强度、改善模具设计(尤其是工艺补充部分)和改善压边力等几个方面考虑。起皱是由于覆盖件是薄板,而且材料流动不均匀,当一些部位的压应力过大时,会造成失稳。

  WEILEBIMIANq355cHEJINGANGGUANZAILASHENZHONGQIZHOU,***DIANXINGDEJIEJUEFANGFASHIZAIYABIANQUANHUOAOMOSHANGBUZHILAYANJIN,DIAOZHENGCAILIAODELIUDONGSUDU,SHIQIGENGJUNYUN。YOUYUFUGAIJIANDADOUSHIZAISHIWENXIACHENGXING,ERQIEJIEGOUCHICUNJIAODA,QIZHONGDEDANXINGBIANXINGZAIZHENGGECHENGXINGZHONGDEBILIXIANGDUIYUBANRECHENGXINGHAISHIHENGAODE,ZHEIXIEDANXINGBIANXINGZAIq355cHEJINGANGGUANCHECHUHOU。JIUHUIHUIFU,ZHEIZHONGXIANXIANGCHENGWEIHUIDAN。

  HUIDANDEJIEGUOSHIDECHONGYACHUDEFUGAIJIANBUNENGMANZU***CHUDESHEJIYAOQIU,JIHOUMIANDEZHUANGHANHEZHUANGPEIGONGYIZAOCHENGMAFAN。JIEJUEHUIDANDECUOSHIYIBANSHITONGGUOJISUAN,DECHUHUIDANLIANGRANHOUZAIMOJUSHEJIZHONGDUIMOMIANJINXINGBUCHANG,YEJIUSHISHUO,MOJUXINGZHUANGYUGONGJIANXINGZHUANGBINGBUWANQUANYIZHI,SHIDEHUIDANHOUDEXINGZHUANGZHENGHAOMANZUYAOQIU。CONGSHANGSHUSANDALEIGONGYIQUEXIANCHANSHENGDEYUANYINJIQIJIEJUEFANGFASHANGKAN,CHONGYAGONGYIDEMOJUSHEJIQIDAOLEZHIGUANZHONGYAODEZUOYONG。FUGAIJIANCHONGYAMOJUDEJIEGOUYIBANDOUBIJIAOFUZA,YIFUDAXINGFUGAIJIANMOJUYOUSHANGBAIGELINGJIAN,MOJUDEWAIXINGCHICUNYEBIJIAODA。


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