问题:下列选项中,不能用来测量轴的圆度误差的计量器具是()。...
Saturday, September 17, 2022
问题:在卧式万能铣床上铣削一斜齿条,齿条模数mn=4mm,齿数z=40...
Friday, September 16, 2022
问题:X62W型铣床的主轴不能在0.5S内制动的主要故障原因是()A、主动机故障B、转速控制继电器失调C、弹性连轴器毁坏...
Wednesday, May 3, 2023
问题:X6132型铣床中的安全离合器和片式摩擦离合器各有哪些功能?...
Tuesday, September 5, 2023
Sunday, September 11, 2022
问题:宏程序的结尾用()返主程序。A、M00B、M02C、M98D、M99...
Thursday, May 18, 2023
问题:下列运算()是正切函数和反正切函数的运算指令(SIEMENS系统...
Sunday, September 11, 2022
问题:使用组合夹具在开车前应用手转动夹具,检查是否与导轨和刀架相碰及装...
Monday, September 12, 2022
Sunday, September 11, 2022
Friday, September 16, 2022
Friday, September 16, 2022
问题:在铣床上对板形或箱体形工件进行孔的加工时,一般都采用()装夹。...
Friday, September 16, 2022
问题:若检验不等分齿铰刀各刀齿所占中心角,可利用分度头和()进行测量。...
Sunday, September 11, 2022
问题:用刀补指令加工轮廓完成后,应使用一个取消刀补指令()。...
Sunday, September 11, 2022
问题:铣削矩形奇数齿离合器时,工件装夹不同轴会使一对离合器接合后()。A、变形B、贴合C、脱开...
Monday, January 15, 2024
问题:当材料强度低、硬度低、用小直径钻头加工时宜选用()转速。...
Saturday, September 17, 2022
Sunday, September 11, 2022
Friday, September 16, 2022
问题:遵守法纪,廉洁奉公是每个从业者应具备的道德品质。...
Sunday, September 11, 2022
Monday, September 12, 2022