The Star Micronics SR-20R IV is an industrial-grade Swiss-Type Automatic Lathes powered by the Fanuc 31i-B5. It offers working travels of 120 x 210 x 205 mm, a top spindle speed of 10,000 RPM, and a 8-axis kinematic layout. It supports standardized digital factory monitoring via MTConnect.
The Star SR-20R IV is a high-rigidity Swiss automatic lathe engineered with a slant-bed design and 8-axis control to manufacture complex medical bone pins, aerospace connectors, and hydraulic valves.
| Standardized Parameters & Ratings | |
|---|---|
| Manufacturer (Brand) | Star Micronics (Japan) |
| Machine Type | Swiss-Type Automatic Lathes |
| CNC Controller System | Fanuc 31i-B5 |
| Number of Controlled Axes | 8-Axis Simultaneous / Positioning |
| X-Axis Travel | 120 mm |
| Y-Axis Travel | 210 mm |
| Z-Axis Travel | 205 mm |
| Maximum Spindle Speed | 10,000 RPM |
| Spindle Motor Rating | 3.7 kW |
| Spindle Taper Interface | ER16 Collet |
| Table / Platter / Chuck Size | 20 mm Bar Capacity |
| Max Table Load Capacity | 40 kg |
| Automatic Tool Changer (ATC) | 35 Tool Stations |
| Rapid Traverse Rate | 35 m/min |
| Approx. Machine Weight | 2,600 kg |
| Industrial IoT Protocol | MTConnect ANSI/MTC1.4 Compliant (Ethernet/TCP) |
| Max Machining Dia | 20 mm |
| Main Spindle Speed | 10,000 RPM |
| Sub Spindle Speed | 10,000 RPM |
| Number of Axes | 8 Axes |
| Tool Capacity | Up to 35 Tools |
| Weight | 2,600 kg |
It shortens cycle time by calculating the optimal tool change path and axis overlaps before each cut, saving up to 20% total machining time.
