SK-51 Type A CNC Swiss-type Automatic Lathe
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The SK-51 Type A CNC Swiss Lathe is designed for high-performance, precision machining of large and complex parts. This robust CNC automatic lathe is equipped with advanced features to handle a variety of operations, including turning and drilling, delivering superior efficiency and accuracy for mid-to-large components.
- Spindle speeds up to 4,000 RPM
- Capable of handling bar diameters up to 51 mm
- Equipped with up to 12 tool stations for versatile machining
Lathe
SK-51 Type A CNC Swiss Lathe Machine Specifications and Accessories Overview
The SK-51 Type A CNC Lathe is a high-performance machine designed for precision and versatility in machining parts up to 51mm in diameter. This section provides a detailed overview of its key specifications, including its twin 12-station turrets, 5,000 RPM spindle speeds, and advanced C-axis control for both main and sub spindles.
Additionally, we outline the comprehensive list of standard accessories and optional features, such as hydraulic chucks, coolant systems, and high-pressure coolant pumps, all aimed at optimizing productivity and enhancing machining efficiency for a wide range of applications. To learn more or to get your custom quote today, contact us and discover how the SK-51 Type S can elevate your operations.
Main Spindle
MAX. MACHINING DIAMETER
Ø51mm (2in.)
MAX. MACHINING LENGTH FOR AUTOMATIC EJECTION
125mm (4-59/64in)
MAIN SPINDLE SPEED
Max. 5,000min rpm
MAIN SPINDLE MOTOR
7.5kW (continuous)/11kW (15min.)
MAIN SPINDLE INDEXING ANGLE
C-axis control
THROUGH-SPINDLE HOLE DIAMETER
Ø52.5mm (2-1/16in)
CHUCKING TYPE
Hydraulic rotary cylinder
COLLET CHUCK TYPE
H-S22/DIN177ESub Spindle
MAX. MACHINING DIAMETER
Ø51mm (2in.)
MAX. LENGTH FOR FRONT EJECTION
125mm (4-59/64in)
MAX. PARTS PROJECTION LENGTH
80mm (3-5/32in)
SUB SPINDLE SPEED
Max. 5,000min rpm
SUB SPINDLE MOTOR
7.5kW (continuous)/11kW (15min.)
SUB SPINDLE INDEXING ANGLE
C-axis control
THROUGH-SPINDLE HOLE DIAMETER
Ø52.5mm (2-1/16in)
CHUCKING TYPE
Hydraulic rotary cylinder
COLLET CHUCK TYPE
H-S22/DIN177EPath 1 Tool Post
TYPE
12-stationed turret
NUMBER OF TOOLS
Tool: 20mm (25/32in); Max. 2 tools/station
Sleeve: Max. 3 counterface sleeves/station
Power driven tool: Max. 2 tools/station
POWER DRIVEN TOOL
Spindle speed: Max. 6,000 min. rpm
Drive motor: 4.5kW (continuous) 7.5kW (5 min.)
Max. Drilling Capability: Ø16mm (5/8in)
Max. Tapping Capability: M12 xP1.75
Milling: Ø20mm (25/32in)Path 2 Tool Post
TYPE
12-stationed turret
NUMBER OF TOOLS
Tool: 20mm (25/32/in); Max. 2 tools/station
Sleeve: Max. 3 counterface sleeves/station
Power driven tool: Max. 2 tools/station
POWER DRIVEN TOOL
Spindle speed: Max. 6,000 min. rpm
Drive motor: 4.5kW (continuous) 7.5kW (5 min.)
Max. Drilling Capability: Ø16mm (5/8in)
Max. Tapping Capability: M12 xP1.75
Milling: Ø20mm (25/32in)Rapid feed rate
X1, X2
20m/min
Y1, Y2
15m/min
Z1, Z2, Z3
40m/min
C1, C2 550 rpmCoolant tank
458ℓ
Coolant pump
1.5kW x 1 for each turret
0.4kW x 1 for each spindleDimensions
2,800mm W x 2,070mm D x 2,130mm H
Weight
6,600kg
- CNC unit FANUC 32i-B
- Operation panel 15-inch color LCD display
- Pneumatic unit
- Hydraulic unit
- Automatic centralized lubrication unit
- Coolant level detector
- Door interlock system
- Cut-off tool breakage detection function (software)
- Cs contouring control (Main/Sub)
- Spindle clamp unit (Main/Sub)
- Spindle air purge system (Main/Sub)
- Pneumatic cylinder type product ejection system (with ejection detection system)
- Sub spindle mix blow system (Air & Coolant)
- Tool drive unit (Turret type tool post)
- Parts catcher
- Parts conveyor
- Work light
- Leakage breaker
- Coolant flow detector
- Water removal unit
- Cut-off tool breakage detection system (mechanical type)
- Main/Sub spindle upper air blow (for power chuck)
- Foot switch (Main/Sub chuck opening and closing)
- Tool setter
- Automatic bar feeder interface
- LAN/RS232C interface
- Hinge Belt Chip Conveyor
- Microfiltration Chip Conveyor
- Coolant Chiller
- Beacon
- High Pressure Coolant Pump
- Main/Sub chuck (to be selected from the tooling system)
- Main spindle inner tube
- Power Chuck for Main/Sub Spindle
- Collet Chuck for Main/Sub Spindle
- Coolant pump extension (2.5 MPa)
- Coolant unit (6.9MPa)
- Coolant unit signal cable
- Coolant system piping 6.9MPa
- Transformer CE marking version
- Transformer CE marking cable
- CE marking version
- Power Chuck Type – 6 inch
SK-51
Discover the power of the SK-51 Type A CNC 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 SK-51 Type A !
How Can the SK-51 Type A Improve Your Machining Process?
Process
The SK-51 Type A CNC Lathe can significantly improve your machining process by offering enhanced precision, increased speed, and unmatched versatility. Its advanced design guarantees high precision and accuracy, reducing errors and meeting the tight tolerances required in industries like medical, aerospace, and energy. With a main spindle speed of up to 5,000 RPM and a powerful motor, it delivers fast, efficient machining, enabling faster turnaround times and lowering production costs. The machine’s ability to handle a wide range of part sizes and geometries, combined with its twin 12-station turrets for balanced machining, enhances both productivity and flexibility.
Equipped with the user-friendly Fanuc iHMI control system, the SK-51 simplifies complex tasks, boosting operator efficiency. Additionally, its extensive standard and optional accessories further optimize performance by offering features like automatic lubrication, coolant systems, and parts conveyors.
The SK-51’s ergonomic design and safety features minimize downtime and ensure a smooth, reliable operation, making it a valuable asset for high-volume production environments.
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 SK-51 Type A CNC Lathe
FAQ
What industries is the SK-51 Type A CNC Swiss-type Automatic Lathe suitable for?
The SK-51 Type A CNC Swiss-type Automatic Lathe is particularly well-suited for industries that demand high-precision machining of complex, small-to-medium-sized parts. These industries include automotive, where tight tolerances are critical for components like fuel injectors and sensor housings, medical, for producing precision surgical instruments and implants, and aerospace, where high-strength, lightweight parts are needed. Additionally, the electronics and micromechanics sectors benefit from the SK-51’s ability to handle intricate components with exceptional accuracy and efficiency.
What are the specifications of the main spindle of the SK-51 Type A?
The main spindle of the SK-51 Type A CNC Lathe has a maximum speed of 5,000 RPM and is powered by a 7.5kW (continuous)/11kW (15 minutes) motor. It also features C-axis control for precise indexing and a through-spindle hole diameter of Ø52.5mm (2-1/16 inches).
The sub spindle of the SK-51 Type A has a maximum speed of 5,000 RPM, powered by a 7.5kW (continuous)/11kW (15 minutes) motor. It also features C-axis control and can handle a maximum parts projection length of 80mm (3-5/32 inches)
How many tools can the SK-51 Type A CNC Lathe accommodate?
What are the power-driven tool capabilities?
The power-driven tools on the SK-51 Type A can reach spindle speeds of up to 6,000 RPM, driven by a 4.5kW (continuous)/7.5kW (5 minutes) motor. The maximum drilling capability is Ø16mm (5/8 inches), tapping capability is M12 x P1.75, and milling capability is Ø20mm (25/32 inches). Did you download CNC Swiss type automatic lathe brochure?
What are the rapid feed rates for the SK-51 Type A?
The rapid feed rates for the SK-51 Type A are 20m/min for X1 and X2 axes, 15m/min for Y1 and Y2 axes, and 40m/min for Z1, Z2, and Z3 axes. The C1 and C2 axes have a rapid feed rate of 550 RPM.
