Thursday, September 15, 2022
问题:用专用夹具装夹斜齿条时,夹具月角的公差应大于工件月角的公差....
Saturday, December 23, 2023
问题:基准分为设计基准基准和工艺基准基准两大类;工艺基准有(),()和装配基准....
Tuesday, June 27, 2023
Thursday, September 15, 2022
Friday, March 24, 2023
Thursday, September 15, 2022
问题:牛头刨床主运动的速度调整,主要是根据()和工艺情况来决定的。A、工件长度B、行程长度C、切削用量D、工作速度...
Wednesday, February 21, 2024
问题:牛头刨床刨削平面时的主运动是(),进给运动是()。...
Monday, January 1, 2024
Monday, September 12, 2022
Monday, December 25, 2023
Monday, December 25, 2023
问题:液压牛头刨床的切削速度和进给量可以实现无级调整....
Thursday, September 15, 2022
问题:B6050型牛头刨床上多片离合器传动转矩的大小与摩擦片间的压力和...
Thursday, September 15, 2022
问题:公差等于()极限尺寸与()极限尺寸代数差的绝对值....
Tuesday, October 18, 2022
问题:1米=()=()厘米;1mm=()丝=()微米。...
Monday, December 25, 2023
问题:导轨配合间隙过大,会降低导向精度,容易产生振动....
Monday, December 25, 2023
问题:牛头刨床刨削平面时的主运动是(),进给运动是()。...
Monday, January 1, 2024
Tuesday, March 28, 2023
Thursday, June 29, 2023
问题:插床也是利用工件和刀具作相对直线往复运动来切削加工的,它又称为立式刨床 。...
Monday, December 25, 2023