Saturday, September 17, 2022
问题:由于工件壁薄,所以其刚性差,在车削过程中受力、受热和振动时()。...
Saturday, September 10, 2022
Saturday, September 17, 2022
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:G72指令是端面粗加工复合循环指令,用于切除毛坯端面的大部分余量...
Thursday, September 15, 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
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
问题:对数控车床、加工中心等机床的伺服电动机,要()个月进行一次维护保...
Saturday, September 10, 2022
Monday, September 12, 2022
问题:回转精度高、()、承载能力大是数控顶尖具有的优点。...
Saturday, September 10, 2022
问题:要检索S09,需要输入下面哪个才可以顺利搜索到()。...
Saturday, September 10, 2022
Saturday, September 17, 2022
Thursday, September 15, 2022
Tuesday, September 13, 2022
Saturday, September 10, 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
问题:加工表面层的硬化程度由产生塑性变形的力、速度及变形时的()所决定...
Saturday, September 10, 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