CHUCK
Product Specifications
【Important】The max. draw bar pull force and the max. static gripping force in the following specifications are for external diameter gripping.
When used for internal diameter gripping, the draw bar pull force must be less than half of the max. draw bar pull force.
| Model | B-15 | B-18 | B-21 | B-24 | |
|---|---|---|---|---|---|
| Through-hole (mm) | 117.5 | 117.5 | 140 | 165 | |
| Gripping Range (mm) | Max. | 381 | 450 | 530 | 610 |
| Min. | 30 | 30 | 87 | 109 | |
| Jaw Stroke (Diameter) (mm) | 10.6 | 10.6 | 10.6 | 10.6 | |
| Plunger Stroke (mm) | 23 | 23 | 23 | 23 | |
| Max. Draw Bar Pull Force (kN) | 71 | 71 | 90 | 90 | |
| Max. Static Gripping Force (kN) | 180 | 180 | 234 | 234 | |
| Max. Speed (min-1) | 2500 | 2000 | 1700 | 1400 | |
| Moment of Inertia (kg・m2) | 2.273 | 4.451 | 8.95 | 16.6 | |
| Net Weight (kg) (with Soft Top Jaws) | 120 | 164 | 235 | 293 | |
| Matching Cylinder | F2511H | F2511H | F2511H | F2511H | |
| Matching Soft Jaws Note) Jaw-mounting bolts are not included. |
Standard Extra Tall |
Standard Extra Tall |
Standard Extra Tall |
Standard Extra Tall |
|
| Maching Hard Jaws Note) Jaw-mounting bolts are not included. |
HB15A1 | HB15A1 | HB18B2 | HB18B2 | |
| Outline Drawing | 2D | ![]() |
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| 3D | ![]() |
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Note) 3D data represents the jaw positions at the fully open (UC) and fully closed (OC) ends for both Parasolid and STEP.
Jaw stroke






