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摩擦因数有关,与片数的多少无关.
Thursday, September 15, 2022
Thursday, September 15, 2022
Tuesday, October 18, 2022
Wednesday, February 21, 2024
Thursday, September 15, 2022
Tuesday, October 18, 2022
问题:B2012A型龙门刨床垂直刀架的机动进给,动力来自进给电动机。
Wednesday, February 21, 2024
问题:相同的零件能够相互调换,保证其准确度的性质叫零件的()。
Monday, January 1, 2024
问题:在按动液压牛头刨床停止按钮之前,应将机床开停手柄扳到()位置。A、停止B、开动C、中间
Wednesday, February 21, 2024
Monday, January 1, 2024
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
问题:车床主轴的支撑轴颈是主轴部件的()基准。A、设计B、装配C、定位D、测量
Wednesday, December 13, 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
问题:刨削齿条时,若工件尺寸较小、生产数量较小时,应采用()装夹。A、平口钳B、直接在工作台上C、专用夹具D、组合夹具
Friday, December 16, 2022
Thursday, September 15, 2022
Monday, December 25, 2023
Friday, March 24, 2023
问题:斜面的角度可用()检验。A、万能角度尺或样板B、外径千分尺C、百分表D、量块
Thursday, September 15, 2022
Thursday, September 15, 2022
Tuesday, October 18, 2022