ISO/TR10064-2:1996
对外齿轮 : DM_cal=dy*sin(ηyt)*cosβb/cos(αyt + ηyt)-------(36)
对内齿轮 : DM_cal=dy*sin(ηyt)*cosβb/cos(αyt - ηyt)-------(37)
{ αyt (9) ; dy (10) ; ηyt (11) ; βb (12) }
偶数齿的外齿轮 Md = mn*z*cosβb /(cosβ*cosαMt)+DM ------(38)
(38) --->DIN3960 (3.8.33)
奇数齿的外齿轮 Md = [mn*z*cosβb /(cosβ*cosαMt)]*cos(π/2z)+DM ------(39)
(39) --->DIN3960 (3.8.34)
inv αMt = invαt + DM/(mn*z*cosαn) + 2*tanαn*x/z - π/2z -------------(40)
(40) --->DIN3960 (3.8.28)
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偶数齿的内齿轮 Md = mn*z*cos βb /(cosβ*cosαMt) - DM ---(41)
(41) --->DIN3960 (3.8.33)??
奇数齿的内齿轮 Md = [mn*z*cosβb /(cosβ*cosαMt)]*cos(π/2z)- DM ----(42)
(42) --->DIN3960 (3.8.34)
invαMt = invαt + DM/(mn*z*cosαn) - 2*tanαn*x/z + π/2z ---------(43)
(43) --->DIN3960 (3.8.27),由于 DIN 中的内齿的变位系数同正常相反,ISO (43)
编写时出现了差错 !
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cosαyt = d*cosαt/ dy -----(9)
tanαt = tanαn / cosβ ----(10)
dy = dy + 2mn*x -----(11)
ηyt = [π/z - syt] -----(12)
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