利来w66国际平台下载

摩托车链轮“渗碳-流动过程分析

2021-02-05 13:06:02      点击:

摩托车链轮“渗碳-流动过程分析:

利来w66国际平台下载 SHOUXIAN,FENXICHILUN“SHENTANCHILUN“SHENTANWENJI”CHENGXING,GUANJIANJISHUSHISHENTANCENGDELIUDONGKONGZHI。YIWENJI”GUOCHENGJIN SHUBIANXINGFANGSHI,MINGQUECHILUNYINSU,ZAICIJICHUCHENGXINGGUOCHENGYUSHENTANCENGJIANLIYOUXIANYUANFENXIMOXING,JINXINGYANJIU。CENGLIUDONGGUOCHENG,JINERQUEDINGYINGXIANGSHENTANCENGJINSHULIUDONGZHUYAOYOUDISIZHANGZHI,, CHILUNQIEXIANGFENLIUCHENGXINGGUOCHENGSHIYUANZHUTIPILIAOTONGGUOTUMOJIAYAXIANGXIAYUNDONG,ZAIAOMODAOLIUBUFENDEZHOUXIANGDAOLIUJIAOHEQIEXIANGFENLIUJIAODEZUOYONGXIA,CHIPIWAIYUANCHANSHENGSUXINGBIANXING;TONGSHISUIZHEDAOLIUBUFENZUOYONGDEJIAQIANG,ZHUJIANSHIYIPILIAOBUFENBIAOMIANYASUOBIANXING,SHOUYABUFENAOXIAQUCHENGWEICHICAO,BUSHOUYADEBUFENTUQICHENGWEICHIXINGBUFEN,BIANXINGQUYUJIZHONGZAIAOMODAOLIU、FENLIUBUFEN。ZAICIGUOCHENGZHONG,WANCHENGYUANZHUTICHIPIBIAOMIANZHUANHUAWEILUNCHIBIAOMIANDEGUODU。YINCI,SHEJICHIPISHENTANCENGHOUDUSHI,YINGGENJUSHENTANCENGTIJIBUBIANDEYUANZEERDING。

温挤压齿轮的毛坯是圆柱体,其直径大于齿轮的齿根圆的直径而小于齿顶圆的直径。从金属流动看整个齿型的形成,不外乎两种方式:一种是小于坯料直径的齿轮部分由成形凹模的导流齿或分流齿压迫圆柱体的金属向内流动,两个被压人的间隔部分成为轮齿的齿根部分;另-种是大于坯料直径的齿轮部分是由于凹模的分流齿在挤压形成摩托车链轮齿根部分时,多余金属向外挤压流动的结果,因被挤压的金属在成形过程中属于逐步局部受压,局部变形的方式。金属的变形流动属于三维流动,由于轴向变形量较小,变形过程可近似认为是平面变形。