BS300 series
High-precision large through-hole power chuck
Next generation standard chuck
BS300 series
- Reduced jaw lift by 30% because of side-wedge structure and case-carburized body
- Compatible with B-200 series
*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 | BS306 | BS308 | BS310 | ||
|---|---|---|---|---|---|
| Through-hole (mm) | 45 | 52 | 75 | ||
| Gripping Range (mm) | Max. | 169 | 210 | 254 | |
| Min. | 26 | 19 | 34 | ||
| Jaw Stroke (Diameter) (mm) | 5.5 | 7.5 | 9.1 | ||
| Plunger Stroke (mm) | 12 | 14 | 17 | ||
| Max. Draw Bar Pull Force (kN) | 22 | 34.8 | 43 | ||
| Max. Static Gripping Force (kN) | 55 | 84 | 105.8 | ||
| Max. Speed (min-1) | 6000 | 5000 | 4200 | ||
| Moment of Inertia (kg･m2) | 0.06 | 0.125 | 0.325 | ||
| Net Weight (kg) (with Soft Top Jaws) | 11.5 | 22.5 | 34.5 | ||
| Matching Cylinder | S1246 | S1552 | S1875 | ||
| Matching Soft Jaws Note) Jaw-mounting bolts are not included. | Standard Extra Tall | Standard Extra Tall | Standard Extra Tall | ||
| Matching Hard Jaws Note) Jaw-mounting bolts are not included. | HB06A1 HB06B1 | HB08B1 | HB10AA1 | ||
| Outline Drawing | 2D |  | | | |
| DXF |  | | | ||
| DWG |  | | | ||
| 3D | Parasolid |  | | | |
| STEP |  | | | ||
Note) The 3D data includes two types of the positions of the jaws for both Parasolid and STEP: open end (UC) and closed end (OC).
