在图示轮系中,已知:转速n1=2000r/min,转动方向如图示,其余各轮齿数为z1=20,z2=40,z2’=30,z3=36,z4=108,蜗杆3’为双头,旋向如图,试:(1)说明轮系属于何种类型;(2)计算齿轮4的转速n4;(3)在图中标出各
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![在图示轮系中,已知:转速n1=2000r/min,转动方向如图示,其余各轮齿数为z1=20,z2=40,z2’=30,z3=36,z4=108,蜗杆3’为双头,旋向如图,试:(1)说明轮系属于何种类型;(2)计算齿轮4的转速n4;(3)在图中标出各](/uploads/image/z/6276341-29-1.jpg?t=%E5%9C%A8%E5%9B%BE%E7%A4%BA%E8%BD%AE%E7%B3%BB%E4%B8%AD%2C%E5%B7%B2%E7%9F%A5%EF%BC%9A%E8%BD%AC%E9%80%9Fn1%3D2000r%2Fmin%2C%E8%BD%AC%E5%8A%A8%E6%96%B9%E5%90%91%E5%A6%82%E5%9B%BE%E7%A4%BA%2C%E5%85%B6%E4%BD%99%E5%90%84%E8%BD%AE%E9%BD%BF%E6%95%B0%E4%B8%BAz1%3D20%2Cz2%3D40%2Cz2%E2%80%99%3D30%2Cz3%3D36%2Cz4%3D108%2C%E8%9C%97%E6%9D%863%E2%80%99%E4%B8%BA%E5%8F%8C%E5%A4%B4%2C%E6%97%8B%E5%90%91%E5%A6%82%E5%9B%BE%2C%E8%AF%95%EF%BC%9A%281%29%E8%AF%B4%E6%98%8E%E8%BD%AE%E7%B3%BB%E5%B1%9E%E4%BA%8E%E4%BD%95%E7%A7%8D%E7%B1%BB%E5%9E%8B%EF%BC%9B%282%29%E8%AE%A1%E7%AE%97%E9%BD%BF%E8%BD%AE4%E7%9A%84%E8%BD%AC%E9%80%9Fn4%EF%BC%9B%283%29%E5%9C%A8%E5%9B%BE%E4%B8%AD%E6%A0%87%E5%87%BA%E5%90%84)
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