欢迎来到天天文库
浏览记录
ID:39300236
大小:331.31 KB
页数:26页
时间:2019-06-29
《武科大机械专业英语l》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、Lesson9RollingContactBearings7/20/202122021/7/20TerminologyTexttour《机械工程专业英语教程》1TerminologyFretTowearaway,erode磨损或腐蚀Fretting:微振磨损LubricantAsubstance,suchasgreaseoroil,thatreducesfrictionwhenappliedasasurfacecoatingtomovingparts.润滑剂:一种脂或油的物质,被用在运动部分表面时可减少摩擦《机械工程专业英语教程》27/20/202
2、122021/7/20AlloyAhomogeneousmixtureorsolidsolutionoftwoormoremetals,theatomsofonereplacingoroccupyinginterstitial(空隙的)positionsbetweentheatomsoftheother合金:两种或更多种金属的均匀混合物或固溶体,一种金属的原子代替或占据了另一种金属晶格中节点间隙。Brassisanalloyofcopperandzinc.黄铜是铜和锌的合金《机械工程专业英语教程》37/20/202122021/7/20Modulus
3、模量Aquantitythatexpressesthedegreetowhichasubstancepossessesaproperty,suchaselasticity模量:一种参数,表示一种物质具有的一个特性之程度,如弹性。《机械工程专业英语教程》47/20/202122021/7/20fivefold五倍的,五重的《机械工程专业英语教程》57/20/202122021/7/20stiffness刚性,刚度,稳定性deflection偏差,偏移,弯曲,挠度frictional摩擦的,由摩擦产生的《机械工程专业英语教程》67/20/202122
4、021/7/20drag拖,牵引,摩擦,阻碍,阻力,摩擦力,阻尼wear磨损,磨蚀,消耗,耗损contaminant沾染,杂质,污染物质,污染剂《机械工程专业英语教程》77/20/202122021/7/20sealing密封,封接Through-harden全部硬化,穿透淬火,淬透HV=Vickershardness维氏硬度《机械工程专业英语教程》87/20/202122021/7/20clearance间隙,空隙,余地,间距interference干涉,干扰,妨碍,过盈,相互影响chamfer在…..开槽,倒棱,倒角,圆角《机械工程专业英语教程
5、》97/20/202122021/7/20raceway轴承座圈,滚道tribology摩擦学Theconcernofamachinedesignerwithballandrollerbearingsisfivefoldasfollows:(a)lifeinrelationtoload;(b)stiffness,i.e.deflectionsunderload;(c)friction;(d)wear;(e)noise.《机械工程专业英语教程》107/20/202122021/7/20Lesson9RollingContactBearings滚动轴承
6、Formoderate(中等的)loadsandspeedsthecorrectselectionofastandardbearingonthebasisofloadrating(等级)willusuallysecuresatisfactoryperformance(行为).《机械工程专业英语教程》117/20/202122021/7/20Lesson9RollingContactBearings滚动轴承Lesson9RollingContactBearings滚动轴承Thedeflectionofbearingelementswillbecomei
7、mportantwhereloadsarehigh,althoughthisisusuallyoflessmagnitudethanthatoftheshaftsorothercomponentsassociatedwiththebearing.Wherespeedsarehighspecialcooling(冷却)arrangementsbecomenecessarywhichmayincreasefrictionaldrag(摩擦阻力).Lesson9RollingandContactBearings滚动轴承Wearisprimarilyassoc
8、iatedwiththeintroductionofcontaminants,andseali
此文档下载收益归作者所有