7、6/76.34=507.90N.mPW=P2×η3×η4=4.06×0.97×0.96=3.78KWnw=n2=76.34r/minTW=9550PW/nw=9550×3.66/76.34=457.86N.m参数轴号0轴1轴2轴W轴功P(KW)4.274.104.063.78转速n(r/min)96030076.3473.89转矩T(N.m)42.48129.24507.90457.86传动比i3.23.931效率0.960.950.96P0=4.27KWn0=960r/min P1=4.06KW n