| 目次へ グリーソンすぐばかさ歯車 |
FALSE |
| 項目 |
計算式 |
小歯車
1 |
大歯車
2 |
|
| 外端正面ﾓｼﾞｭｰﾙ |
m [mm] |
4 |
|
| 歯幅中間点ﾓｰｼﾞｭｰﾙ |
mm [mm] |
3.66 |
|
| 歯数 |
z |
20 |
40 |
|
| ﾋﾟｯﾁ円すい角 |
δ [deg] |
26.5651 |
63.4349 |
|
| 軸角 |
Σ [deg] |
90 |
90 |
| 外端ﾋﾟｯﾁ円直径 |
d0=z*m [mm] |
80 |
160 |
|
| 円すい距離 |
R=d0/[2*sin(δ)] [mm] |
89.443 |
|
| 歯末のたけ |
hk [mm] |
4.57 |
2.23 |
|
| 歯元のたけ |
hf [mm] |
2.982 |
5.322 |
|
| 頂げき |
C [mm] |
0.752 |
|
| 歯末角 |
θk=ATN(hk/R) [deg] |
3.405 |
1.91 |
|
| 歯先円直径(外端) |
dk=d0+2*hk*cos(δ) [mm] |
88.175 |
161.995 |
|
| 相当平歯車歯数 |
zv=z/cos(δ) |
22.36 |
89.44 |
|
| 相当平歯車半径 |
rv=d0/[2*cos(δ)] [mm] |
44.721 |
178.885 |
|
| 歯厚中心角の半分 |
θv=90/zv [deg] |
4.025 |
1.006 |
|
| 弦歯厚 |
Sj=zv*m*sin(θv) [mm] |
6.278 |
6.281 |
|
| ｷｬﾘﾊﾟ歯たけ |
hj=m+rv*(1-cos(θv) [mm] |
4.11 |
4.028 |
|
| バックラッシ |
|
0.15 〜 0.37 |
|
| 精度 |
JIS B 1705 |
0 |
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4 |
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0 |
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4 |
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