发布时间:2025-01-20 10:51:05
铰孔时铰刀的公差由被加工孔公差决定:
上偏差es=0.67IT=0.67X0.05=0.034mm
下偏差ei=0.33IT=0.33x0.05=0.017mm
因此所选铰刀为:直径2.92(+0.017~+0.034)mm
钻孔留铰孔余量0.2~0.3mm,即选择直径2.7~2.8mm的麻花钻。
当然铰刀和麻花钻要想好用,还要好好刃磨。
BULL/公牛 B5030 新国标插线板 3位插 1.8米-适用对象
2025-01-20 10:51:05 2025-01-20 10:51:05 2025-01-20 10:51:05 2025-01-20 10:51:05 2025-01-20 10:51:05 2025-01-20 10:51:05 2025-01-20 10:51:05 2025-01-20 10:51:05 2025-01-20 10:51:05 2025-01-20 10:51:05 2025-01-20 10:51:05古建筑室内用来隔开空间的木质镂空雕花像是门框的构建学名叫什么
2025-01-20 10:51:05 2025-01-20 10:51:05 2025-01-20 10:51:05 2025-01-20 10:51:05 2025-01-20 10:51:05 2025-01-20 10:51:05 2025-01-20 10:51:05 2025-01-20 10:51:05 2025-01-20 10:51:05 2025-01-20 10:51:05 2025-01-20 10:51:05 2025-01-20 10:51:05 2025-01-20 10:51:05