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设计初始计算螺旋锥齿轮参数及切齿干涉计算说明:红色为输入值1轴交角∑90°轴交角∑90°ro210刀盘半径2速比i'6压力角α20°zo5刀组数3主动轮转速n11000rpm齿顶高系数ha*1mo10刀具模数4主动轮扭矩T15000Nm顶隙系数c*0.25x10.522360384按等滑动率计算初选参考值5大轮大端节圆直径de2759.340283中点法向模数mn10.5取值de2760小轮齿数z196大轮大端节锥角初值∑=90时δ2'80.53767779°大轮齿数z254中点螺旋角βm30°cosβm0.8660254047大轮大端节锥距初值Reo385.2416269齿宽b110met14.13367661大轮大端端面模数8齿宽b110选取说明小轮高度变位系数x10.54实际met14.13367661小轮大端端面模数9参考点法向模数mn10.5选取说明大轮切向变位系数xt10.03410参考点螺旋角初值βmo35°小轮高度变位系数x2-0.54met14.13368已知大端端面模数11小轮齿数z18.471029012大轮切向变位系数xt2-0.034mn10.50000294求得中点法向模数取值z19小轮齿顶高ha116.1712大轮齿数z254大轮齿顶高ha24.83圆整z254全齿高h23.62513齿数比i6外锥距R386.873093214传动比误差Δi0%分锥角修正量Δδ0°15大轮节锥角∑≤90°时δ280.53767779°侧隙jn0.365大轮节锥角∑>90°时δ280.53767779°16参考点螺旋角βm29.5060424517法向压力角α20°大轮节锥角∑≤90°时δ280.53767779°sinδ20.986393924齿顶高系数ha*1小轮节锥角δ19.462322208°sinδ10.164398987顶隙系数c*0.25小轮大端节圆直径de1127.2030895法向齿侧间隙jn0.365大轮大端节圆直径de2763.2185369分锥角修正量Δδ0°小轮齿顶圆直径da1159.103069大轮齿顶圆直径da2764.8066311小轮参考点节圆直径dm1109.1192009大轮参考点节圆直径dm2654.7152053冠轮齿数Zp54.74486277冠轮大端锥距Re386.8730932冠轮参考点锥距Rmp331.8730932冠轮小端锥距Ri276.8730932刀齿方向角δo7.180755781°刀位Ex316.5155228许用范围基圆半径Ey290.0265907AuxiliaryangleatReqe32.84495145°AuxiliaryangleatRiqi40.76856168°大端螺旋角βe42.31531254°小端螺旋角βi16.81125055°大端法向模数mne10.45116417小端法向模数mni9.682745678大端模数检验mne≥mn10.45116417<10.5小端模数检验mne>mni10.45116417>9.682745678法截面内最大齿槽宽处的锥距Ry357.0906885冠轮齿顶高hao13.125Hw9.911218649在Ry处efny16.732268255efny27.446268255在Re处efne16.505431645efne27.219431645在Ri处efni15.298402695efni26.012402695刀顶宽sao3.44(efn)min≥sao>0.2mn5.298402695>3.44>2.1(efn)max<3.0sao≤3.0(efn)min7.446268255<10.32<15.89520809若小轮有刮伤时起始点的锥距计算取初始值βv=βi迭代求解βv16.81125°刮伤时起始点的锥距Rv249.5418395AuxiliaryangleatRvqv41.4768024°βv处的螺旋角βv9.529657235°刀盘干涉检查:小轮展成加工工艺分锥角δE19.462322208°大轮展成加工工艺分锥角δE280.53767779°Δh0λ8.355183499°含义x0131.2054115y0288.040303xe298.7566506ye245.1230932xi240.9782901yi135.1230932OE172.9604135OI188.2385665无干涉检查OE<r0+ha0tanαn172.9604135<214.7771093不干涉<无干涉检查OE<r0+ha1tanαn188.2385665<214.7771093不干涉小轮根切校核:小轮小端法面当量齿轮齿数Zni110.2916685齿顶高修正oninsidediameterxi0.54小轮最小高