如需5件45钢的主轴箱传动齿轮,其合理的毛坯制造方法是()。...
Friday, September 16, 2022
Friday, September 16, 2022
零件的切削加工工艺过程是由一系列()组成。工序由()、()和()...
Tuesday, September 13, 2022
在焊接厚度相同的情况下,与平焊相比,横焊的焊条直径小,焊接电流小...
Friday, September 16, 2022
Saturday, September 17, 2022
加工时,铣床A的转速为400r/min,铣床B的转速为250r/...
Tuesday, September 13, 2022
弹簧淬火后一般都采用高温回火,因为高温回火后,其弹性极限最高。...
Tuesday, September 13, 2022
用假箱造型时不必()就可以与挖砂造型相同,操作简便,提高了()。...
Friday, September 16, 2022
Friday, September 16, 2022
用棒料加工10个小套,其孔径为φ20H8,长度为20mm,Ra=...
Tuesday, September 13, 2022
Friday, September 16, 2022
Tuesday, September 13, 2022
造型时,舂砂过紧影响砂型的进气性和退让性,易在铸件中产生何种缺陷...
Friday, September 16, 2022
按照合金的化学成分,铜合金可分为()铜、()铜和()铜三类...
Tuesday, September 13, 2022
Friday, September 16, 2022
Sunday, August 20, 2023
线切割加工中操作主机包括装电极丝、装夹工件、按顺序启动各种开关。...
Friday, September 16, 2022
Tuesday, September 13, 2022
在标注刀具几何角度所使用的辅助平面中,表示切削面的符号是()。...
Tuesday, September 13, 2022
Tuesday, September 13, 2022