问题:在相同力的作用下,具有较高刚度的工艺系统产生的变形较大。...
Saturday, September 17, 2022
Saturday, September 17, 2022
Saturday, September 10, 2022
Monday, September 12, 2022
问题:增量式光电脉冲编码器的C相脉冲可以判断检测轴的转动方向。...
Saturday, September 10, 2022
Tuesday, December 31, 2024
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:()主要用来支撑传动零部件,传递扭矩和承受载荷。...
Saturday, September 17, 2022
问题:选择精基准时必须遵循()、()、()、()以及基准不重合()条件...
Saturday, September 17, 2022
Monday, September 12, 2022
Saturday, September 17, 2022
Monday, September 12, 2022
问题:在非切削时,装有工件回转工作台在()圆周进行分度旋转。...
Saturday, September 17, 2022
Saturday, September 10, 2022
Saturday, September 10, 2022
Saturday, September 17, 2022
问题:数控机床加工的加工精度比普通机床高,是因为数控机床的传动链较普通...
Saturday, September 10, 2022
Saturday, September 17, 2022
问题:新的HW变速箱,使用多少公里,必须更换变速箱润滑油()A、2000~5000公里B、5000~10000公里C、1000~2000公里D、10000~20000公里...
Wednesday, June 18, 2025