【单选题】【消耗次数:1】
切削钢料时,常在主切刃靠近工件待加工表面处和副切削刃靠近刀尖处的后刀面上,磨出较深的沟纹,这种磨损称为( )
后刀面磨损
边界磨损
前刀面磨损
参考答案:
复制
纠错
➡️如需代学继续教育,联系微信:yizhituziang

相关题目
【单选题】 前刀面与主后刀面的交线,它承担主要切削工作。是指( )
①  主后刀面Aa
②  前刀面Ay
③  主切削刃S
【判断题】 铣刀后刀面与工件已加工表面的挤压、摩擦小,刀刃磨损慢,工件加工表面质量较好,但工件表层的硬皮和杂质对刀具磨损影响较大,该说法( )
①  正确
②  错误
【判断题】 刀尖的圆弧半径和后刀面磨损量增大,将使冷作硬化层深度增大。
①  正确
②  错误
【单选题】 切削加工过程中,对积屑瘤的形成和前刀面磨损有直接影响的变形区域为()。
①  第一变形区
②  第二变形区
③  第三变形区
④  基本变形区
【单选题】 ( )的特点是在极短的时间内,后刀面磨损VB增加很快。
①  正常磨损阶段
②  急剧磨损阶段
③  初期磨损阶段
【单选题】 ( )是工件被切削层在刀具切削刃和前刀面的挤压作用下而产生以滑移为主的塑性变形过程。
①  金属切削
②  数控切削
③  机械切削
【判断题】 中低速切削塑性材料时,刀具的主要磨损形式是扩散磨损和氧化磨损。()
①  正确
②  错误
【判断题】 工件上切削刃正在切削的表面称为已加工表面,该说法( )
①  正确
②  错误
【判断题】 数控切削过程是工件被切削层在刀具切削刃和前刀面的挤压作用下而产生以滑移为主的塑性变化过程,该说法( )
①  正确
②  错误
【判断题】 由于积屑瘤能代替切削刃进行切削,减小塑性变形及刀具的磨损,因此,积屑瘤的产生对粗加工切削过程是有利的。
①  正确
②  错误
随机题目
【判断题】 His government insisited that he stay until he finished his degree.
①  正确
②  错误
【判断题】 The girl is made to do her homework right after she comes from school.
①  正确
②  错误
【判断题】 This kind of trousers is washed very well.
①  正确
②  错误
【单选题】 Never before ___ in greater need of modern public transport than it is today.
①  ?has this city been
②  ?this city has been
③  ?was this city
④  this city was
【单选题】 Little ___ that we were watching his every move, so he seemed to be going his own way in this business.
①  he realized
②  ?he didn’t realize
③  ?didn’t he realize
④  ?did he realize
【单选题】 It is what you do rather than what you say ___ matters.
①  that
②  what
③  which
④  this
【单选题】 After dinner the minister made a short ___ to the guests.
①  delivery
②  pronunciation
③  conversation
④  speech
【单选题】 It was for this reason ___ her uncle moved out of New York and settled down in a small village.
①  which
②  why
③  that
④  how
【单选题】 The car salesman took the customer for a driver in the new model in order to ___ its improved features.
①  advocate
②  demonstrate
③  exhibit
④  reveal
【单选题】 I caught a___ of the car before it disappeared around the bend.
①  glance
②  glimpse
③  glare
④  stare