渐开线花键强度计算

模数 2.5

齿数13

压力角30°

屈服强度1250mpa

拉伸强度1390mpa

输入功率15KW0.866025转速65r/min

结合长度50mm

1、输入转矩2203.61538N*m

2、单位载荷240.900911mpa

3、齿面压应力96.3603643mpa

4、齿面允用压应力440.77135mpa

5、齿根弯曲应力238.917939mpa

6、齿根允用弯曲应力556.974706mpa

7、齿根最大剪切应力890.691438mpa

8、齿根允用剪切应力278.487353mpa

9、外花键当量应力699.366337mpa

10、外花键允用当量应力500.876534mpa

1T=9549*P/n

2F1=2000*T/D

3W=F1/(Z*L*COSa）

4σH=W/hw

5[σH]=σ0.2/（Sh*K1*K2*3*K4)

6σf=6hW*COSa/（Sfn^2)

7Sfn=Dq*SIN(360*(S/D+INVa-INV(arc cos(D*COCa/Dq)))/(2*3.142))

8[σf]=σb/（Sf*K1*K2*3*K4)

9TFmax=Tin*a cn

10Tin=16000*T/(3.142*dh^3)

11 a cn=Die/dh*(1+0.17h/r(1+3.94/(0.1+h/r)+6.38(1+0.1h/r)/2.38+

Die/2/h(h/r+0.04)^(1/3))^2)

12[rF」=[σf]/2

13σv=(3Tin^2)^(1/2)

14Dq=2(((0.5dDj)^2+(0.5D)SINa-hs)^2)^(1/2)

15INVa=TANa-a*3.142/180