Star CNC Machine Tool
SR-38 Type B
by Star CNC Machine Tool
The SR-38 Type B CNC Swiss Lathe is a powerful, high-precision Swiss-type machine, built to handle large, complex parts with unmatched efficiency.
ø38mm (1-1/2 in)
Max. Machining Diameter
320 mm (12-19/32 in)
Max. Headstock Stroke (R.G.B.)
max. 7,000 min⁻¹
Main Spindle Speed
SR-38 Type B Features
Standard features that set this machine apart in demanding manufacturing environments.
Precision & Performance
- Spindle speeds up to 7,000 RPM
- 10-axis control with simultaneous machining for increased productivity
- Tool
- 5-Spindle Sleeve Holder
- Power Driven Attachment
- Rapid Feed Rate
- Main Spindle Indexing Angle
- Main Spindle Speed
- Main Spindle Motor
Built-In Extras
- Supports up to 41 tool positions for maximum versatility
- Max. Machining Diameter
- Max. Headstock Stroke
- Dimensions (Width x Depth x Height)
- Weight
- Coolant Tank Capability
Star CNC SR-38 Type B Technical Details
Complete specifications, standard features, and optional upgrades.
- Max. Machining Diameter
- ø38mm (1-1/2 in)
- Max. Headstock Stroke (R.G.B.)
- 320 mm (12-19/32 in)
- Main Spindle Speed
- max. 7,000 min⁻¹
- Main Spindle Motor
- 7.5 kW (continuous) / 11 kW (10min./25%ED)
- Main Spindle Indexing
- C-axis control
- Axis Configuration
- 10-axis
- Rapid Feed Rate (X1, Y1, Z1, X2, Z2)
- 36 m/min
- 5-Spindle Max. Drilling
- ø23mm (29/32 in)
- 5-Spindle Max. Tapping
- M16 × P2.0
| Max. Machining Diameter | ø38mm (1-1/2 in) |
| Max. Headstock Stroke (R.G.B.) | 320 mm (12-19/32 in) |
| Main Spindle Speed | max. 7,000 min⁻¹ |
| Main Spindle Motor | 7.5 kW (continuous) / 11 kW (10min./25%ED) |
| Main Spindle Indexing | C-axis control |
| Axis Configuration | 10-axis |
| Rapid Feed Rate (X1, Y1, Z1, X2, Z2) | 36 m/min |
| 5-Spindle Max. Drilling | ø23mm (29/32 in) |
| 5-Spindle Max. Tapping | M16 × P2.0 |
SR-38 Type B Questions
Answers to common questions about the SR-38 Type B.
The primary differences between the SR-38 Type B and the SR-20JII Type B lie in their machining capacities and axis configurations. The SR-38 Type B supports a larger maximum machining diameter of Ø38mm (1-1/2in), compared to the SR-20JII Type B’s Ø20mm (25/32in). Additionally, the SR-38 Type B operates with a 10-axis control system, offering enhanced precision and versatility for complex machining tasks, while the SR-20JII Type B features an 8-axis system. The SR-38 Type B also boasts B-axis control, providing more versatility for angular and intricate part machining, a feature not found in the SR-20JII.
The SR-38 Type B excels at handling complex machining tasks thanks to its 10-axis control system, which allows for multi-axis machining and simultaneous overlapping operations. Its rigid machine construction, combined with built-in main and sub-spindles and high tool post rigidity, ensures precision and accuracy, even for intricate parts. The inclusion of an 8-spindle backworking unit further enhances the machine’s ability to perform complex operations in a single setup, significantly improving efficiency.
Industries such as aerospace, automotive, medical, and precision manufacturing benefit greatly from the SR-38 Type B. These sectors demand high-precision machining and the ability to produce complex parts efficiently, and the SR-38 Type B is designed to meet these requirements with advanced multi-axis control, rigid construction, and high spindle speeds. Contact our specialist for more technical details.
Yes, the SR-38 Type B is well-suited for high-volume production. Its robust design, high-speed spindle performance, and rapid feed rates ensure consistent, reliable output. The machine’s powerful 11kW main spindle motor, high-speed sub-spindle, and efficient feed rates enable it to maintain high productivity over extended production runs, making it ideal for environments requiring continuous, high-volume machining. Did you download CNC Swiss type automatic lathe brochure?
The SR-38 Type B offers several key design advantages, including B-axis versatility for angular and complex machining, a proprietary Motion Control System that reduces idle time, and low energy consumption for an environmentally-friendly operation. Its compact yet powerful design, combined with advanced control systems and overlapped machining capabilities, ensures maximum efficiency. Additionally, the support and training provided by STAR Micronics GmbH help manufacturers fully leverage the machine’s capabilities, making it an invaluable addition to any production line.
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