4.计算传动装置的运动和动力参数
(1) 各轴转速
==1440/2.3=626.09r/min
==626.09/3.24=193.24r/min
= / =193.24/2.33=82.93 r/min
==82.93 r/min
(2) 各轴输入功率
=×=3.25×0.96=3.12kW
=×η2×=3.12×0.98×0.95=2.90kW
=×η2×=2.97×0.98×0.95=2.70kW
=×η2×η4=2.77×0.98×0.97=2.57kW
则各轴的输出功率:
=×0.98=3.06 kW
=×0.98=2.84 kW
=×0.98=2.65kW
=×0.98=2.52 kW
各轴输入转矩
=×× N·m
电动机轴的输出转矩=9550=9550×3.25/1440=21.55 N·
所以: =××=21.55×2.3×0.96=47.58 N·m
=×××=47.58×3.24×0.98×0.95=143.53 N·m
=×××=143.53×2.33×0.98×0.95=311.35N·m
=××=311.35×0.95×0.97=286.91 N·m
输出转矩:=×0.98=46.63 N·m
=×0.98=140.66 N·m
=×0.98=305.12N·m
=×0.98=281.17 N·m