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柔性薄壁轴承的预变形和预应力分析

发布时间:2020-12-14点击:137字号:

  谐波减速器的柔性薄壁轴承装配到波发生器椭圆凸轮上时存在较大的预应力和预变形。在实际工作载荷和预应力及预变形作用下,对轴承内外套圈进行分析,得到其变形、应力以及载荷分布规律。中华轴承网(简称:华轴网)分享如下:

  1、ROUXINGBOBIZHOUCHENGNEIWAIQUANDEBIANXINGZHUYAOQUJUEYUBOFASHENGQITULUNDELUNKUOXIAN,NEIQUANZAIZHANGZHOUCHUDEJINGXIANGBIANXINGDA,DUANZHOUCHUJINGXIANGBIANXINGXIAO,ERZAIJIN45°CHUWEIBIANXINGWEI0°WAIQUANJINGXIANGBIANXINGYECHENGLEISIFENBU。WAIQUANDEYUBIANXINGZAIZHANGZHOUHEDUANZHOUCHUDEZHOUXIANGBIANXINGWEIO,ERZAIJIN45°CHUWEIDAZHI,FENXIJIEGUOFUHEBOBIYUANHUANLILUN。NEIQUANBIANXINGDAZHILVEDAYUWAIQUAN.ZHEISHIYOUYUGUNDONGTIYUNEI、WAIQUANZHIJIANCUNZAIJIECHUBIANXING,YOUYIDINGDEQUJINLIANG。

  2、ROUXINGBOBIZHOUCHENGZHUANGPEIDAOTUOYUANZHOUTULUNHOU,NEIWAIQUANDEYUYINGLIZAITUOYUANZHANGZHOUCHUDA,QIENEIQUANDEYUYINGLIJIAOWAIQUANDEDA,ZHEIZHUYAOSHIYOUYUNEIQUANDEQULVBANJINGBIWAIQUANXIAO。CHENGSHOUDEWANQUYINGLIJIAODA,YUCAILIAOLIXUEZHONGDEWANQULILUNXIANGFU。

  3、KAOLVYUYINGLIDEQINGKUANGXIA,XIANGTONGJINGXIANGZAIHEZUOYONGXIA,ROUXINGBOBIZHOUCHENGNEIWAIQUANDEDENGXIAOYINGLIJIAOBUKAOLVYUYINGLIDEDENGXIAOYINGLIYOUJIAODADEZENGJIA,ZHEIDUIZHOUCHENGDEEDINGCHENGZAINENGLIYOUJIAODAYINGXIANG。

  4、根据L-P理论精确计算柔性薄壁轴承的疲劳寿命,结果表明,考虑预应力的情况下轴承的疲劳寿命降低了30%,这对谐波减速器用轴承的设计和制造提出了更高的要求。


薄壁轴承

Tag标签:薄壁轴承

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