6.8×0.99×0.99=712.3Nm输出转矩为:TI'=TI×0.99=187.3NmTII'=TII×0.99=719.5NmTIII'=TIII×0.99=705.2Nm1)各轴转速:nI=nm/i0=1460/3.5=417.1r/minnII=nI/i=417.1/4=104.3r/minnIII=nII=104.3r/min(2)各轴输入功率:PI=Pd×h1=8.6×0.96=8.26KWPII=PI×h2×h3=8.26×0.99×0.97=7.93KWPIII=PII×h2×h4=7.93×0.99×0.99=7.77KW则各轴的输出功率:PI'=PI×0.99=8.18KWPII'=PII×0.99=7.85KWPIII'=PIII×0.99=7.69KW(3)各轴输入转矩:TI=Td×i0×h1电动机轴的输出转矩:Td==56.3Nm所以:TI=Td×i0×h1=56.3×3.5×0.96=189.2NmTII=TI×i×h2×h3=189.2×4×0.99×0.97=726.8NmTIII=TII×h2×h4=726.8×0.99×0.99=712.3Nm输出转矩为:TI'=TI×0.99=187.3NmTII'=TII×0.99=719.5NmTIII'=TIII×0.99=705.2Nm1)各轴转速:nI=nm/i0=1460/3.5=417.1r/minnII=nI/i=417.1/4=104.3r/minnIII=nII=104.3r/min(2)各轴输入功率:PI=Pd×h1=8.6×0.96=8.26KWPII=PI×h2×h3=8.26×0.99×0.97=7.93KWPIII=PII×h2×h4=7.93×0.99×0.99=7.77KW则各轴的输出功率:PI'=PI×0.99=8.18KWPII'=PII×0.99=7.85KW