ER. SERIAL SPRING COLLET
1.Made of special elastic steel material
2.Power clamping ability,precise accuracy
3.Used for boring,milling,drilling,rapping,grinding and engraving poeration etc.
|
Item No |
Model |
D(mm) |
D1 |
D2 |
L(mm) |
L1 |
L2 |
L3 |
α |
Clampig range |
|
|
mm |
in |
||||||||||
|
561257 |
ER8 |
8 |
8.45 |
6.5 |
13.5 |
2.98 |
1.5 |
1.2 |
16° |
0.5–5 |
1/64-3/16 |
|
561261 |
ER11 |
11 |
11.5 |
9.5 |
18 |
3.8 |
2.5 |
2 |
16° |
0.5–7 |
1/64-9/32 |
|
561265 |
ER16 |
16 |
17 |
13.8 |
27.5 |
6.26 |
4 |
2.7 |
16° |
0.5–10 |
1/64-3/8 |
|
561267 |
ER20 |
20 |
21 |
17.4 |
31.5 |
6.36 |
4.8 |
2.8 |
16° |
1–13 |
3/64-33/64 |
|
561269 |
ER25 |
25 |
26 |
22 |
34 |
6.66 |
5 |
3.1 |
16° |
1–16 |
3/64-5/8 |
|
561271 |
ER32 |
32 |
33 |
29.2 |
40 |
7.16 |
5.5 |
3.6 |
16° |
3-16 |
1/8-1 |
|
561273 |
ER40 |
40 |
41 |
36.2 |
46 |
7.66 |
7 |
4.1 |
16° |
3-16 |
1/8-1 |
|
561275 |
ER50 |
50 |
52 |
46 |
60 |
12.6 |
8.5 |
5.5 |
16° |
5-34 |
3/16–1-11/32 |
Inspeciton of accuracy
|
D |
L |
Run out rolerance |
||||
|
A |
B |
C |
I |
II |
||
|
1.0-1.6 |
6 |
0.005 |
0.008 |
0.01 |
0.01 |
0.015 |
|
>1.6-3.0 |
10 |
|||||
|
>3.0-6.0 |
16 |
|||||
|
>6.0-10.0 |
25 |
|||||
|
>10.0-18.0 |
40 |
0.015 |
0.02 |
|||
|
>18.0-26.0 |
50 |
|||||
|
>26.0-30.0 |
60 |
|||||
|
>30.0-34.0 |
80 |
0.02 |
0.03 |
|||
