|
目次へ すぐばかさ歯車の計算(ルイスの式) |
|
|
|
|
|
|
|
|
|
|
|
|
0 |
FALSE |
すぐばかさ歯車の計算(ルイスの式) |
|
|
|
|
|
|
|
|
|
|
|
減速比=1.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
90 |
|
|
|
|
|
|
|
|
|
|
|
|
|
並歯 |
圧力角[°] |
外端正面モジュールm |
歯数 Z |
回転数
n |
歯幅 B |
材料 |
歯面硬度 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
[rpm] |
[mm] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
小歯車 |
20 |
4 |
20 |
1500 |
15 |
SCM415_浸炭 |
Hv600 |
|
|
|
|
|
|
|
|
|
|
|
|
SCM415 |
2 |
|
|
|
|
|
|
|
|
|
|
|
|
2 |
大歯車 |
40 |
750 |
SCM415_浸炭 |
Hv600 |
|
|
|
|
|
|
|
|
|
|
|
|
SCM415 |
2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
●ピッチ円周上の周速 v (m/s) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
v=π*d01*n1/(1000*60)=π*80*1500/(1000*60)=6.28
[m/s] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
●速度係数 fv |
|
|
|
●荷重係数 fw |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
fv=3.05/(3.05+v)=3.05/(3.05+6.28)=0.33 |
|
fw=0.74 |
|
|
|
|
|
|
|
|
|
|
|
|
|
0.8 |
0.74 |
0.74 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
●小歯車:曲げ強さによる接線力 |
|
●トルク |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
F=σb*B*mm*y=101.831*15*3.66*0.559=3125
[N] |
T=F*dm1/2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
σb=fv*fw*σ0=0.33*0.74*417=101.831
[N/mm2] |
=3125*73.29/2=114.52[N-m] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
294 |
255 |
417 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
●スラスト |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
σ0=許容曲げ応力=417 [N/mm2] |
|
Fx=F*tan(α0)*sin(δ1) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
y=歯形係数=0.559 |
|
|
=3125*tan(20)*sin(26.5651)=508.66[N] |
|
|
|
|
|
|
|
|
|
|
|
mm=相当モジュール=3.66 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
●大歯車:曲げ強さによる接線力 |
|
●トルク |
|
|
|
|
|
|
|
|
|
|
|
|
|
294 |
255 |
417 |
|
|
|
|
|
|
|
|
|
|
|
|
F=σb*B*mm*y=101.831*15*3.66*0.747=4176
[N] |
T=F*dm2/2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
σb=fv*fw*σ0=0.33*0.74*417=101.831
[N/mm2] |
=4176*146.58/2=306.06[N-m] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
●スラスト |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
σ0=許容曲げ応力=417 [N/mm2] |
|
Fx=F*tan(α0)*sin(δ2)=1359.47[N] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
y=歯形係数=0.747 |
|
|
=4176*tan(20)*sin(63.4349)=1359.47[N] |
|
|
|
|
|
|
|
|
|
|
●面圧強さによる接線力 |
|
|
|
●トルク |
|
|
|
|
|
|
|
|
|
|
|
|
0.676 |
1.274 |
4 |
|
|
|
|
|
|
|
|
|
|
|
|
F=fv*k*dm_1*B*2*Z2/[Z1*Cos(δ2)+Z2*Cos(δ1)] |
|
小歯車:T=F*dm1/2=2852*73.29/2=104.51[N-m] |
|
|
|
|
|
|
|
|
=0.33*4*80.52*15*2*40/[20*Cos(63.4349)+40*Cos(26.5651)] |
大歯車:T=F*dm2/2=2852*146.58/2=209.02[N-m] |
|
|
|
|
|
|
|
|
=2852 [N] |
|
|
|
|
|
●スラスト |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
小歯車:Fx=F*tan(α0)*sin(δ1) |
|
|
|
|
|
|
|
|
|
|
|
k=触面応力係数=4 [N/mm2] |
|
|
=2852*tan(20)*sin(26.5651)=464.23[N] |
|
|
|
|
|
|
|
|
|
dm_1=歯幅中間点の相当平歯車直径=3.66*22=73.29
[mm] |
大歯車:Fx=F*tan(α0)*sin(δ2) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
=2852*tan(20)*sin(63.4349)=928.45[N] |
|
|
|
|
|
|
|
|
●伝達動力 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
P=F*vm/1000=2852*5.76/1000=16.428
[kW] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
vm=中央ピッチ円上の周速=5.76 [m/s] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|