普通车床精度检查项目,根据标准规定为()精度和()精度检查两类。...
Saturday, September 17, 2022
液压系统的压力阀在卸荷状态时,其压力应不超过()Mpa。...
Saturday, September 17, 2022
Saturday, September 17, 2022
Sunday, September 11, 2022
空气弹簧垫的刚度由压缩空气的内能决定,阻尼系数为0.15~()。...
Sunday, September 11, 2022
Sunday, September 11, 2022
Saturday, September 17, 2022
Saturday, July 8, 2023
Saturday, September 17, 2022
机床主轴轴承特别是现代数控机床主轴轴承绝大部分采用了()润滑。...
Friday, September 16, 2022
喷涂层的强度与锻造金属相比要低得多,如钢丝的抗拉强度为1000N...
Sunday, September 11, 2022
自由珩磨法修复蜗轮时,蜗轮是在珩磨蜗杆带动下自由旋转,因此自由珩...
Sunday, September 11, 2022
Sunday, September 11, 2022
錾削时的切削角度,应使后角在()之间,以防錾子扎入或滑出工件。...
Saturday, September 17, 2022
Sunday, September 11, 2022
Saturday, September 17, 2022
Saturday, September 17, 2022
箱体划线需认真了解图纸要求对照检查毛坯质量。要研究各加工部位所划...
Sunday, September 11, 2022
QHSE管理体系文件的结构包括QHSE管理手册、程序文件、工作文...
Saturday, September 17, 2022
设备拆卸的加热拆卸法,其加热温度不能过高,要根据零部件的()来确...
Saturday, September 17, 2022