变位齿轮各个参数定义入下表变位齿轮的关系式D=MN*Z/cos(HELIX)MT=MN/COS(HELIX)ALPHAT=ATAN(tan(ALPHA)/COS(HELIX)DB=D*COS(ALPHAT)INVAT=TAN(ALPHAT)-ALPHAT*PI/180INVAN=TAN(ALPHA)-ALPHA*PI/180Z1=Z*(INVAT/INVAN)SN=(PI/2+2*X*TAN(ALPHA)*MNST=(PI/2+2*X*TAN(ALPHA)*MTSBT=DB*(ST/D+INVAT)HELIXA=ATAN(DA*TAN(HELIX)/D)ALPHATA=ATAN(DA2-DB2)0.5/DB)STA=(ST/D+INVAT+ALPHATA*PI/180)-TAN(ALPHATA)*DASNA=STA*COS(HELIXA)K=FLOOR(ALPHA*Z1/180+0.5+2*X*TAN(ALPHA)/PI)W=MN*COS(ALPHA)*(PI*(K-0.5)+Z*INVAT+2*X*TAN(ALPHA)
