复习选择题.pdf
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1、1 1.对于配有设计完善的位置伺服系统的数控机床,其定位精度和加工精度主要取决于()A.机床机械结构的精度 B.驱动装置的精度C.位置检测元器件的精度 D.计算机的运算速度2.PWM是脉冲宽度调制的缩写,PWM 调速单元是指 ()。A.晶闸管相控整流器速度控制单元B.直流伺服电机及其速度检测单元C.大功率晶体管斩波器速度控制单元D.感应电动机变频调速系3.闭环控制系统的位置检测装置装在:()。A传动丝杠上 B伺服电动机轴上C机床移动部件上 D数控装置中4.数控机床的诞生是在年代()。A50 年代 B.60年代 C.70年代5.数控机床主轴驱动应满足:()。A 高、低速恒转矩 B高、低速恒功率C
2、 低速恒功率高速恒转矩 D低速恒转矩高速恒功率6.数控机床切削精度检验,对机床几何精度和定位精度的一项综合检验 ()。A.又称静态精度检验,是在切削加工条件下;B又称动态精度检验,是在切削加工条件下;C.又称静态精度检验,是在空载条件下;2 D.又称动态精度检验,是在空载条件下;7.故障维修的一般原则是 ()。A.先动后静 B.先内部后外部C.先机械后电气 D.先特殊后一般8.滚珠丝杠预紧的目的是 ()。A.增加阻尼比,提高抗振性 B.提高运动平稳性C.消除轴向间隙和提高传动刚度 D.加大摩擦力,是系统能自锁9.对于闭环的进给伺服系统,可采用作为检测装置 ()。A.增量式编码器 B.绝对式编码
3、器C.旋转式感应同步器 D.长光栅10.数控机床上有一个机械原点,该点到机床坐标零点在进给坐标轴方向上的距离可以在机床出厂时设定。该点称()。A工件零点 B.机床零点 C.机床参考点11.数控机床广泛应用异步串行通信接口传送数据,常用的接口标准是 ()。A.RS-232C B.DNC C.RS-422 D.MAP 12.CNC系统中的PLC是 ()。A.可编程序逻辑控制器 B.显示器C.多微处理器 D.环形分配器文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7
4、H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9
5、I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z
6、2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2
7、U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10
8、H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D
9、8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:C
10、X2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K83 13.数控机床的精度检测指标中,以下不属于静态指标的是 ()。A.机床滑板定位精度 B.测量精度C.轮廓跟随精度 D.机床定位精度14.数控系统的报警大体可以分为操作报警、程序错误报警、驱动报警及系统错误报警,某个程序在运行过程中出现“圆弧端点错误”,这属于()。A.程序错误报警;B.操作报警;C.驱动报警;D.系统错误报警。15.脉冲当量是数控机床数控轴的位移量最小设定单位,脉冲当量的取值越小,插补精度()。A.越高;B.越低;C.与其无
11、关;D.不受影响。16.数控机床是在()诞生的。A日本 B.美国 C.英国17.从工作性能上看液压传动的优点有()A比机械传动准确 B.速度、功率、转矩可无级调节 C.传动效率高18.从工作性能上看液压传动的缺点有()A调速范围小 B.换向慢 C.传动效率低19.为了保障人身安全,在正常情况下,电气设备的安全电压规定为()。A.42V;B.36V;C.24V;D.12V。20.数控机床由四个基本部分组成:()、数控装置、伺服机构和机床机械部分。文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8
12、Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX
13、2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW1
14、0H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6
15、D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:
16、CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 H
17、W10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 Z
18、T6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K84 A.数控程序 B.数控介质 C.辅助装置 D.可编程控制器21.数控机床中把脉冲信号转换成机床移动部件运动的组成部分称为()。A.控制介质 B.数控装置 C.伺服系统 D.机床本体22.数控机床精度检验主要包括机床的几何精度检验和坐标精度及()精度检验。A.综合 B.运动 C.切削 D.工作23.数控机床能成为当前制造业最重要的加工设备主要是因为()。A自动化程度高 B.人对加工过程的影响减少到最低 C.柔性
19、大,适应性强24.数控铣床一般采用半闭环控制方式,它的位置检测器是()。A光栅尺 B.脉冲编码器 C.感应同步器25.数控机床工作时,当发生任何异常现象需要紧急处理时应启动()。A程序停止功能 B.暂停功能 C.紧停功能26.热继电器在控制电路中起的作用是()。A短路保护 B.过载保护 C.失压保护 D.过电压保护27.数控机床加工调试中遇到问题想停机应先停止()。A冷却液 B.主运动 C.进给运动 D.辅助运动28.数控机床电气柜的空气交换部件应()清除积尘,以免温升过高产生故障。A每日 B.每周 C.每季度 D.每年文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2
20、W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U
21、7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H
22、9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8
23、Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX
24、2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW1
25、0H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6D8Z2W5K8文档编码:CX2U7H9Y5S9 HW10H9I9I5M5 ZT6
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