Collet chuck for cylindrical center mount
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Online inquiryCR push type collet chuck is mainly suitable for NC/CNC lathe for machining bar. CR collet chuck disassemble the cover and change spring collet quickly which can Improve the efficiency and versatility of the lathe.
The installation of CR collet chuck is the same as through hole power chuck and can be replaced with each other.
Good precision, fast speed, high rigidity and long durability.
The bar can be fed in from bar feeder and through the collet chuck hole which can Improve the processing efficiency of the lathe.
Customers can choose a suitable spring collet according to the bar shape (round, square, hexagonal) and size.
Uses the collet to DIN6343 specification.
Unit : mm
| Model/size | Matched Adapter |
Allowed bar Dia. (mm) |
Sleeve stroke (mm) |
Max pull force KN(kgf) |
Max Gripping fore KN(kgf) |
Max. RPM (r.p.m.) |
Weight (kg) |
|---|---|---|---|---|---|---|---|
| CR42-140 | 140 | 42 | 7 | 25 (2549) | 55 (5608) | 6000 | 6.2 |
| CR60-170 | 170 | 60 | 7 | 30 (3059) | 65 (6628) | 5000 | 11.5 |
| CR60-220 | 220 | 60 | 7 | 30 (3059) | 65 (6628) | 5000 | 15.5 |
| Model/size | A(h6) | B | C | D | E | F(h6) | G |
|---|---|---|---|---|---|---|---|
| CR42-140 | 155 | 114 | 100 | 23 | 104.78 | 140 | M66xP1.5 |
| CR60-170 | 185 | 139 | 130 | 30 | 133.35 | 170 | M90xP1.5 |
| CR60-220 | 235 | 141 | 130 | 32 | 171.45 | 220 | M90xP1.5 |
| Model/size | H | Jmax. | K | L | M | N | P | T |
|---|---|---|---|---|---|---|---|---|
| CR42-140 | 60 | M55xP2.0 | 25 | 18 | 6 | 11.9 | 3-M10 | 3.1 |
| CR60-170 | 80 | M74xP2.0 | 30 | 18 | 6 | 17.9 | 6-M12 | 3.1 |
| CR60-220 | 80 | M74xP2.0 | 30 | 20 | 6 | 19.9 | 6-M16 | 3.1 |
Gripping range:
| CHUCK | MULTIBORE | SPRING COLLET |
|---|---|---|
| NO. | Cat.No./round /hex. / Sq. | Cat.No./round /hex. / Sq. |
| CR42 | M-673 / 42 / 36 / 30 | 173E / 4728 / 42 / 36 / 30 |
| CR60 | M-677 / 60 / 52 / 42 | 185E / 4291 / 60 / 52 / 42 |
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