SB-20R Type G CNC Swiss-type Automatic Lathe
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The SB-20R Type G CNC Swiss Lathe is engineered for high-speed, precision machining, perfect for small and complex part production. With its versatile Swiss-type design, this machine supports a wide range of operations, including turning, milling, and drilling, ensuring maximum flexibility and efficiency.
- Spindle speeds up to 10,000 RPM
- Supports up to 27 tool positions for enhanced versatility
- Simultaneous machining with sub-spindle for increased productivity
Lathe
SB-20R Type G lathe Machine Specifications and Accessories Overview
The SB-20R Type G Lathe Machine is equipped with advanced features designed to enhance machining performance and flexibility. This section provides a detailed overview of the machine’s specifications, including its maximum machining diameter of 20mm, multiple tooling options, and high-speed capabilities. Additionally, you’ll find a comprehensive list of standard and optional accessories, such as power-driven attachments, coolant systems, and backworking units, all aimed at optimizing productivity and meeting diverse manufacturing needs. To learn more or to get your custom quote today, contact us and discover how the SB-20R Type G can elevate your operations.
Max. Machining Diameter
ø20mm (25/32in)
Max. Headstock Stroke
G. B. TYPE
205mm (8in)NON G. B. TYPE
Bar diameter × 2.5 (max. 50mm) (max. 1-31/32in)Number of Turning Tools
6 tools (ø12mm) / 7 tools (ø10mm)
4-Spindle Sleeve Holder
NUMBER OF TOOLS
Front: 4 tools / Rear : 4 toolsMAX. DRILLING CAPABILITY
ø12mm (1/2in)MAX. TAPPING CAPABILITY
M10 × P1.5Power-Driven Attachment – 4-SPINDLE CROSS DRILLING UNIT
NUMBER OF TOOLS
Cross Power Driven Att.: 4 tools (ER 16)MAX. DRILLING CAPABILITY
ER 16: ø7mm(9/32in)MAX. TAPPING CAPABILITY
ER 16: M6×P1.0SPINDLE SPEED
ER 16: max.6,000min-1DRIVE MOTOR
1.0kW (continuous) / 1.2kW (5min./30%ED)Power-Driven Attachment – 5-SPINDLE CROSS DRILLING UNIT
NUMBER OF TOOLS
Cross Power Driven Att.: 5 tools (ER 11)MAX. DRILLING CAPABILITY
ER 11: ø5mm (3/16in)MAX. TAPPING CAPABILITY
ER 11: M5×P0.8SPINDLE SPEED
ER 11: max.10,000min-1DRIVE MOTOR
1.0kW (continuous) / 1.2kW (5min./30%ED)Power-Driven Attachment – CARTRIDGE TYPE CROSS DRILLING UNIT
NUMBER OF TOOLS
Cross Power Driven Att. : 2 tools (ER 11)
Cartridge type: 3 PosMAX. DRILLING CAPABILITY
ER 16: 5-Spindle & 5-Spindle High Speed: ø7mm (9/32in)
ER 11: 5-Spindle: ø6mm; 5-Spindle High Speed: ø5mmMAX. TAPPING CAPABILITY
ER 16: M6×P1.0
ER 11: M5×P0.8SPINDLE SPEED
ER 16: max. 6,000 min-1
ER 11: 5-Spindle: max. 8,000 min-1; 5-Spindle High Speed: max. 10,000 min-1DRIVE MOTOR
1.0kw (continuous) / 1.2kw (5min./30%ED)Rapid Feed Rate
35m/min (X1,Y1,Z1,X2,Z2)
Main Spindle Indexing Angle
C-axis control
Main Spindle Speed
max. 10,000min-1
Main Spindle Motor
2.2kw (continuous) / 3.7kw (10min./25%ED)
Coolant Tank Capacity
180ℓ
Dimensions (W × D × H)
2,070 × 1,177 × 1,760mm
Center Height – 1,060mmWeight
1,750kg
Power Consumption
3.7KVA
Max. Chucking Diameter
ø20mm (25/32in)
Max. Length For Front Ejection
80mm (3-5/32in)
Max. Parts Projection Length
30mm (1-3/16in)
Back 4-Spindle Unit
NUMBER OF TOOLS
4 tools
MAX. DRILLING CAPABILITY
Stationary Tool
ø8mm (5/16in)
Power-Driven Att.
ø6mm (15/64in)
MAX. TAPPING CAPABILITY
Stationary Tool
M6 × P1.0
Power-Driven Att.
M5 x P0.8Power-Driven Att. Spindle Speed
Max. 8,000min-1
Power-Driven Att. Drive Motor
0.75kW
Sub Spindle Indexing Angle
C-axis control
Sub Spindle Speed
Max. 9,000min-1
Sub Spindle Motor
0.55kw (continuous) / 1.1kw (15min./40%ED)
- CNC unit Fanuc 0i-TD
- Operation panel 8.4” color LCD display
- Pneumatic unit
- Automatic centralized lubrication unit
- Coolant level detector
- Door interlock system
- Broken cutoff tool detector
- Parts ejection detector
- Drive unit for revolving guide bush
- Revolving guide bus unit
- Main/Sub collet
- C-axis control (Main/Sub)
- Spindle clamp unit (Main/Sub)
- Tool holder
- 4-Spindle cross drilling unit
- 4-Spindle sleeve holder
- Back 4-Spindle unit
- Air purge for revolving guide bush
- Air purge for main spindle
- Sub spindle air purge unit
- Sub spindle air blow unit
- Work light
- Leakage breaker
- Coolant flow detector
- Water removal unit
- Beacon
- Parts conveyor
- Parts receptacle in the machine
- Parts separator unit A
- Main spindle inner tube
- 5-spindle cross drilling unit
- Cartridge-type 5-spindle cross drilling unit
- Cartridge-type 5-spindle high-speed cross drilling unit
- Drive unit for power-driven attachment B
- Parts ejector (Air cylinder type)
- Parts ejector (Spring type)
- Parts ejector with guide tube
- Parts stopper unit
- Coolant unit (6.9MPa/2.5MPa)
- Coolant unit signal cable
- Coolant unit power cable
- Coolant valve
- Coolant pipings
- Automatic bar feeder interface
- Compliant with RS-232C interface
- Transformer
- Safety relay module version
- Transformer CE marking version
- Transformer CE marking specifications
SB-20R
Discover the power of the SB-20R Type G CNC Swiss-type Automatic Lathe! Download our brochure to learn about its features and specifications. If you have questions or need more info, just submit your request, and our team will help you. Elevate your production with the SB-20R Type G!
How Can the SB-20R Type G Improve Your Machining Process?
Process
The SB-20R Type G CNC Swiss-type Automatic Lathe significantly enhances machining processes through its precision, versatility, and efficiency. Capable of handling a maximum machining diameter of 20mm (25/32in), this lathe excels in producing intricate components with exceptional accuracy, supported by its flexible tooling layouts and Guide Bush/Non-Guide Bush switching function for seamless transitions between modes. With a main spindle speed of up to 10,000 RPM and a rapid feed rate of 35m/min, it ensures high-speed operations powered by a robust 2.2kW (continuous) / 3.7kW (10min./25%ED) motor.
Its compact design (2,070 × 1,177 × 1,760mm and 1,750kg) provides space efficiency without sacrificing stability, while the 180ℓ coolant tank guarantees effective cooling during prolonged tasks. Additionally, featuring a fully independent sub-spindle with C axis control, the SB-20R Type G allows for complex multi-axis machining operations, making it an ideal solution for various industries, from medical devices to aerospace and automotive sectors, thereby driving unparalleled performance and adaptability in your machining operations.
Why Choose Star Swiss-Style Lathes?
Star CNC Machine Tool Corp., a division of Star Micronics Co., Ltd. of Japan, is a global leader in Swiss-type turning machines, known for producing small, complex, and precise metal components. Since 1948, Star CNC has delivered reliable, high-performance lathes that excel in both high-volume production and intricate part fabrication.
Their mission is to develop fast, efficient, and robust machines that meet the demands of today’s 24/7 production environments, with a focus on ergonomics, safety, and environmentally-friendly operations.
AMT Machine Tools Ltd. is the Canadian distributor of Star CNC, offering full access to their advanced lathes and comprehensive support. Explore our Star Swiss-style lathe page or contact us for more information.
Frequently Asked Questions about the SB-20R Type G CNC Swiss Lathe
FAQ
What industries is the SB-20R Type G CNC Swiss-type Automatic Lathe suitable for?
The SB-20R Type G is suitable for a variety of industries that require precision machining of small, intricate components. These industries include medical device manufacturing, automotive, aerospace, electronics, and general engineering. Its versatility and precision make it an ideal choice for producing high-quality parts across these sectors.
What is the maximum machining diameter of the SB-20R Type G?
The maximum machining diameter of the SB-20R Type G is 20mm (25/32in). This capability allows for the production of a variety of small components with precision and efficiency.
Can the SB-20R Type G operate in different modes?
What are the spindle speed capabilities of the SB-20R Type G?
The SB-20R Type G is equipped with impressive spindle speed capabilities:
- Main spindle speed: Maximum of 10,000 RPM
- Sub spindle speed: Maximum of 9,000 RPM
These high-speed operations facilitate efficient machining of complex parts. Did you download CNC Swiss type automatic lathe brochure?
How many tools can the SB-20R Type G accommodate?
The SB-20R Type G can accommodate a variety of tools thanks to its flexible tooling layouts. It features:
- 6 turning tools (ø12mm) / 7 turning tools (ø10mm)
- 4-Spindle sleeve holder: Front: 4 tools / Rear: 4 tools
- Power-Driven Attachments:
- 4-Spindle Cross Drilling Unit: 4 tools (ER 16)
- 5-Spindle Cross Drilling Unit: 5 tools (ER 11)
- Cartridge Type Cross Drilling Unit: 2 tools (ER 11)
This flexibility enables endless variations of complex machining tasks, meeting diverse manufacturing needs across multiple industries.