20" 3 jaw Self Centering Scroll Lathe Chucks 2 Piece Jaws
SKU
202-5449
$2,423.45
In stock
Shipping Freight
Details
| Mfg SKU # | 202-5449 |
|---|---|
| Lathe Chuck Category | Self Centering Scroll Chucks |
| Brand | Shars Tool |
| chuck diameter | 20 |
| Thru Hole Size | 8.2677 |
| mounting | plain back |
| Bolt Circle Diameter | 18.307 |
| chuck thickness | 4.528 |
| TIR (inch) | 0.0059 |
| reversible jaw | yes |
| Number of Jaws | 3 |
| Maximum RPM | 800 |
| Maximum Torque Nm | 630 |
Spotlight
- Semi-steel chuck body made from high quality cast iron
- Three pinion design with each pinion ground and hardened to HRC 43
- Two piece jaw design with a master jaw and a top reversible jaw in American Standard tongue and groove specification
- Both side of jaw teeth and guides are ground and hardened to HRC 58-62
- Each set of jaws are serialized in their own set
- A serialized set of jaws are then finished, ground, and lapped on their designated chuck body which will be the same chuck body on the final assembly to achieve a greater accuracy
- Before assembling the jaw to its designated chuck body, the jaw's finish machining are performed on a closed tolerance state of the art CNC machine from Japan
- Scroll plate's thread flank are ground on both side to achieve a tighter contact with the master jaw
- Each chuck has gone through rigorous accuracy and repeatability inspection with clamping and jamming multiple random testing rods or rings
- Accuracy is maintained for the entire clamping range
Clamping Range:
- Internal Jaw:
- Clamping Range A-A1: 0.984-11.024"
- Jamming Range B-B1: 5.906-19.685"
- External Jaw
- Clamping Range C-C1: 5.906-19.685"
