【单选题】【消耗次数:1】
定位误差是由于工件在夹具或机床上定位不准确而引起的加工误差?当工件的工序基准与()不重合时,将会产生定位误差?
设计基准
测量基准
定位基准
装配基准
参考答案:
复制
纠错
相关题目
【单选题】 定位误差是由于工件在夹具或机床上定位不准确而引起的加工误差。当工件的工序基准与()不重合时,将会产生定位误差。
①  设计基准
②  测量基准
③  定位基准
④  装配基准
【判断题】 设计基准和定位基准重合时,不存在基准不重合误差。
①  正确
②  错误
【判断题】 加工表面的设计基准和定位基准重合时,不存在基准不重合误差。
①  正确
②  错误
【单选题】 选择定位基准时,应遵循()原则,即设计基准与定位基准为同一个基准?
①  基准重合
②  基准统一
③  互为基准
④  自为基准
【单选题】 选择定位基准时,应遵循()原则,即设计基准与定位基准为同一个基准。
①  基准重合
②  基准统一
③  互为基准
④  自为基准
【判断题】 定位基准应尽可能与工序基准重合。()
①  正确
②  错误
【判断题】 粗加工所用的定位基准称粗基准,精加工所用的定位基准为精基准。
①  正确
②  错误
【判断题】 选择定位基准时,应遵循“基准重合”原则,以保证加工精度。“基准重合”是指加工过程中尽量选择同一个基准为定位基准。
①  正确
②  错误
【判断题】 基准位移误差的大小为定位基准相对对刀基准的最大位置移动量。()
①  正确
②  错误
【判断题】 定位误差是由于夹具定位元件制造不准确所造成的加工误差。
①  正确
②  错误
随机题目
【单选题】 Every society has its own peculiar customs and____ of acting.
①  attitudes
②  behavior
③  ways
④  means
【单选题】 “She is from Shanghai, ____ population is larger than that of any other city inChina.”
①  its
②  which
③  whose
④  that
【单选题】 Mary: How do you like Professor White’s lecture? John: ____
①  He talked about economy.
②  He teaches Class 2 students.
③  Very much.
④  He is a middle-aged professor.
【单选题】 I will give this dictionary to ____ wants to have it.
①  whomever
②  someone
③  whoever
④  anyone
【单选题】 The mountain is ____ 6.3 kilometers high, but it is not the highest one.
①  nearly
②  near
③  neat
④  neatly
【单选题】 A new teacher was sent to the village in place of ____ one who had retired.
①  a
②  the
③  an
④  Its
【单选题】 ____ was evident that Mr. Wang had come back to Shanghai.
①  This
②  He
③  That
④  It
【单选题】 Jack, the boss, asked Steven to leave — ____, she was filed.?
①  whats more ?
②  in addition?
③  on the contrary ?
④  D. in other words ?
【单选题】 He’s never again written ____ as his first one.
①  so good a book
②  such good a book
③  such good book
④  so a good book
【单选题】 “Where do you suggest going?” “We promised ____ the children to the West Lake.”
①  taking
②  to take
③  taken
④  took