.95 ,得 2/3.215 03 .195 .0220 mm N ZZ N VS HP HP????????毕业设计说明书(论文) 第 10页共 28页将上式代入公式得 22 2/215 /212 1.11.19.0160 40 5.188 9400 155 mm N mm N H????????? 4.7 蜗轮齿根弯曲强度的校核按表 16.5-10, 齿根弯曲强度验算公式 FP FS VAFYYmdd KKKT?????? 21 2666 式中按6.40 71 .5 cos 40 cos 33 22????? ZZ V及5.0 2??x 查表得 26 .4 FSY ???120 71 .51120 1??????Y =0.95 2/4.57 mm N FP??将上式代入公式 22/4.57 /6.21 95 .026 .4160 40 4 1.11.19.05.188 666 mm N mm N FP F?????????????? 4.8 确定传动的主要尺寸已知 a=100 1 1?Z40 2?Z5.0 2??X ?20 ?? mm d40 1? mm d 160 2? mm mdd a48 4240 2 11???????? mm mdd f4.30 )2.01(4240 2.012 11????????6. 41 4) 40 06 .08() 06 .08( 21???????mZb 取 mm b50 1? mm Xhmdd aa164 )5.01(42160 )(2 222????????? mm mdd ae170 45.1164 5.1 22?????? mm db a36 48 75 .075 .0 12???? mm mm m dR a 16 )42 40 (2 12????? mm m dR af8. 24 42.02 48 2.02 12??????