问题:材料的切削加工性是指对某种材料进行切削加工的难易程度。
Wednesday, August 9, 2023
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
问题:合金钢在工业上应用于制造承受压力、要求耐磨和减振的零件。
Tuesday, September 13, 2022
问题:高速钢与硬质合金相比,具有硬度较高,红硬性和耐磨性较好等优点。
Friday, September 16, 2022
Friday, September 16, 2022
问题:端面圆跳动公差和端面对轴线垂直度公差两者控制的效果完全相同。
Friday, September 16, 2022
Friday, September 16, 2022
问题:确定外圆车刀主后刀面的空间位置的角度有()。A、γo和αo B、αo和Kr’C、Kr和αo D、λs和Kr’
Tuesday, September 13, 2022
Saturday, March 2, 2024
Friday, January 20, 2023
Tuesday, September 13, 2022
Friday, September 16, 2022
Thursday, November 23, 2023
问题:用配置FANUC数控系统的数控铣床进行孔加工,当材料不易断屑时,应选择G81固定循环指令进行编程。
Tuesday, September 13, 2022
Friday, September 16, 2022
问题:理想液体的伯努利方程中没有()A、动能B、势能C、热能D、压力能
Tuesday, September 13, 2022
Tuesday, September 13, 2022