B series
Large through-hole high-speed power chuck
Stable machining for large work pieces
B series
- Universally recognised standard chuck
- Through-hole
15” φ117.5, 18” φ117.5
21” φ140.0, 24” φ165.0
*CE correspondence
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 |  | | | | |
| DXF |  | | | | |
| DWG |  | | | | |
