Properties and application:
- Made of high-quality steel
- Designed for collet chucks used with ER collets DIN 6499
- Before mounting in a chuck, the collet has to be mounted in the nut
Specifications:
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| Model | Type | D [mm] | L [mm] | M | Weight [kg] |
|---|---|---|---|---|---|
| DM 072 ER8-M | M | 12 | 12 | M10 x 0,75 | 0,005 |
| DM 072 ER11-M | M | 16 | 12 | M13 x 0,75 | 0,01 |
| DM 072 ER16-M | M | 22 | 18 | M19 x 1 | 0,05 |
| DM 072 ER20-M | M | 28 | 19 | M24 x 1 | 0,05 |
| DM 072 ER25-M | M | 35 | 20 | M30 x 1 | 0,08 |
| DM 072 ER11-T1 | T1 | 19 | 11,3 | M14 x 0,75 | 0,005 |
| DM 072 ER16-T1 | T1 | 28 | 17,5 | M22 x 1,5 | 0,01 |
| DM 072 ER20-T1 | T1 | 34 | 19 | M25 x 1,5 | 0,05 |
| DM 072 ER25-T2 | T2 | 42 | 20 | M32 x 1,5 | 0,14 |
| DM 072 ER32-T2 | T2 | 50 | 22,5 | M40 x 1,5 | 0,20 |
| DM 072 ER40-T2 | T2 | 63 | 25,5 | M50 x 1,5 | 0,30 |
| DM 072 ER50-T2 | T2 | 78 | 35,5 | M64 x 2 | 0,50 |
Mounting the collet in the nut:
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| Mounting the collet in the nut | Properly mounted collet | Removing the collet |
For proper mounting of ER collet follow these steps:
- Put the collet into the nut at slight angle
- Hook the groove of the collet on eccentric or cylindrical edge of the collet (fig. A)
- Jam the collet into the nut (fig. B)
- Screw the nut with collet on the toolholder, so that mounting of the machined tool is possible