ER SERIES COLLETS WITH STANDARD DIN6499B
1. Made of special elastic steel material
2. Power clamping ability,precise accuracy
3. Used for boring,milling,drilling,tappping,grinding and engraving operation etc.
型号 Model |
d H7 |
D |
D1 |
D2 |
L |
L1 |
L2 |
L3 |
弹性收缩量 Collapsible capacity |
ER8 | ≥1.0～5.0 | 8 | 8.45 | 6.5 | 13.5 | 2.98 | 1.5 | 1.2 | 0.5 |
ER11 | ≥1.0～7.0 | 11 | 11.5 | 9.5 | 18.0 | 3.8 | 2.5 | 2.0 | 0.5 |
ER16 | ≥1.0～2.5 | 16 | 17 | 13.8 | 27.5 | 6.26 | 4.0 | 2.7 | 0.5 |
>2.5～10.0 | 16 | 17 | 13.8 | 27.5 | 6.26 | 4.0 | 2.7 | 1.0 | |
ER20 | ≥1.0～2.5 | 20 | 21 | 17.4 | 31.5 | 6.36 | 4.8 | 2.8 | 0.5 |
>2.5～13.0 | 20 | 21 | 17.4 | 31.5 | 6.36 | 4.8 | 2.8 | 1.0 | |
ER25 | ≥1.0～2.5 | 25 | 26 | 22.0 | 34.0 | 6.66 | 5.0 | 3.1 | 0.5 |
>2.5～16.0 | 25 | 26 | 22.0 | 34.0 | 6.66 | 5.0 | 3.1 | 1.0 | |
ER32 | ≥2.0～2.5 | 32 | 33 | 29.2 | 40.0 | 7.16 | 5.5 | 3.6 | 0.5 |
>2.5～20.0 | 32 | 33 | 29.2 | 40.0 | 7.16 | 5.5 | 3.6 | 1.0 | |
ER40 | ≥3.0～26.0 | 40 | 41 | 36.2 | 46.0 | 7.66 | 7.0 | 4.1 | 1.0 |
ER50 | ≥6.0～10.0 | 50 | 52 | 46.0 | 60.0 | 12.6 | 8.5 | 5.5 | 1.0 |
>10.0～34.0 | 50 | 52 | 46.0 | 60.0 | 12.6 | 8.5 | 5.5 | 2.0 |
Inspection of Accuracy
D |
L | 径向跳动 Run out tolerance | |
Ⅰ | Ⅱ | ||
1.0～1.6 | 6 |
0.010 |
0.015 |
>1.6～3.0 | 10 | ||
>3.0～6.0 | 16 | ||
>6.0～10.0 | 25 | ||
>10.0～18.0 | 40 |
0.015 |
0.020 |
>18.0～26.0 | 50 | ||
>26.0～30.0 | 60 | ||
>30.0～34.0 | 80 | 0.020 | 0.030 |