【单选题】【消耗次数:1】
欲加工一条与X轴成30o的直线轮廓。应采用__数控机床。
点位控制
直线控制
轮廓控制
参考答案:
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相关题目
【判断题】 直线控制系统和轮廓控制机床。
①  正确
②  错误
【单选题】 点位控制机床是指__的数控机床。
①  仅控制刀具相对于工件的定位点坐标,不规定刀具的运动轨迹。
②  必须采用开环控制
③  刀具沿各坐标轴的运动之间有确定的函数关系
【判断题】 在数控机床上加工平面轮廓时,可用两轴联动机床加工。
①  正确
②  错误
【判断题】 轮廓控制机床的特点是要控制刀具移动轨迹,将工件加工成一定的轮廓形状。
①  正确
②  错误
【判断题】 简易数控车床都是点位控制数控机床。
①  正确
②  错误
【单选题】 直线和轮廓控制NC机床是按__的不同分类的。
①  功能
②  伺服系统类型
③  装置的构成方式
【判断题】 点位控制数控机床在移动和定位过程中不能进行任何加工。
①  正确
②  错误
【判断题】 数控冲床属于点位控制机床。
①  正确
②  错误
【判断题】 点位控制机床是指仅控制刀具相对于工件的定位点坐标,不规定刀具的运动轨迹的数控机床。
①  正确
②  错误
【判断题】 直线控制数控机床只能控制机床移动部件从一个位置精确地移动到另一个位置,在移动过程中不进行任何加工。
①  正确
②  错误
随机题目
【单选题】 2.She the door before she goes away.
①  had locked
②  is locking
③  has locked
④  was locking
【单选题】 4.What if I drink this?
①  happens
②  is happening
③  will happen
④  is happened
【单选题】 10.Now Mike isn’t here. He _________ Mr. Green’s. Perhaps he _______ back in a few minutes.
①  went to; is coming
②  has gone to; will come
③  has been to ; will be
④  is going to; has come
【单选题】 6.Look out! That tree _______ fall down.
①  is going to
②  will be
③  shall
④  would
【单选题】 8.They can’t leave until they ______ their work.
①  did
②  are doing
③  have done
④  has done
【单选题】 1.When I saw Mary, she on the piano.
①  is playing
②  plays
③  was playing
④  played
【单选题】 7. My uncle __________ to see me. He’ll be there soon.
①  comes
②  is coming
③  had come
④  came
【单选题】 14.They ______ lunch at home every day.
①  have not
②  didnt have
③  dont have
④  have not any
【单选题】 6.Sam was ill yesterday, so he _____ his home work.
①  didn’t
②  not did
③  didn’t do
④  didn’t did
【单选题】 11. _____ of us likes the film.
①  Both
②  All
③  Neither
④  Some