Slant-Bed CNC Lathe CORMAK CK7170X4000 – Precision and Performance for Large-Scale Metal Machining

Slant-Bed CNC Lathe CORMAK CK7170X4000 is an advanced numerical machine designed for precise metal machining in demanding industrial environments. Equipped with a BMT45 tool turret with an option for driven tools, and premium components from SIEMENS and Schneider, it guarantees reliability, high efficiency and versatility in both batch and one-off production.

Main advantages of the CNC Lathe CORMAK CK7170X4000

The CORMAK CK7170X4000 CNC lathe is a solution dedicated to professional manufacturing facilities that require reliable equipment for the precise machining of large and complex workpieces. Combining the latest cutting technology with a solid construction and advanced CNC control, the machine delivers exceptional accuracy, durability and flexibility. Equipped with a BMT45 tool turret featuring 12 positions and an option for driven tools, linear guideways and the possibility of upgrading to more advanced control systems, it enables a wide range of turning, milling and drilling operations with the highest quality standards. Key advantages include:

• Maximum machining precision: Positioning accuracy on X/Z axes of 0.001 mm ensures outstanding surface quality, even for complex shapes and demanding materials.
• High performance: The SIEMENS spindle motor with 11 kW power (optional 15 kW) and spindle speed up to 2500 rpm allow fast and efficient machining of various materials such as steel, aluminium or metal alloys.
• Versatile applications: Capable of turning workpieces up to 4000 mm in length and 700 mm in diameter over bed, making it ideal for large-scale production projects.
• Advanced tool turret: The BMT45 12-position turret with an option for driven tools supports milling and drilling operations, increasing machine functionality.
• Intuitive operation: The SIEMENS SINUMERIK 808D control system offers a user-friendly interface, quick programming and full CAD/CAM compatibility for seamless integration into modern production processes.
• Durable construction: The slant-bed design with linear guideways ensures rigidity, reduces vibration and guarantees stability during intensive machining.
• Cost efficiency: Automatic lubrication, cooling system and air-conditioned electrical cabinet minimise maintenance costs and extend the lifespan of key components.
• Safety and compliance: Full enclosure meeting CE standards ensures operator safety and compliance with European regulations.
• Flexible configuration: Options such as driven tools or advanced controls (SIEMENS SINUMERIK 828D or FANUC Oi-TF) allow customisation to specific production needs.
• Process optimisation: The USB port enables fast programme import/export, accelerating setup and improving production efficiency.

Construction and technology

The CORMAK CK7170X4000 CNC lathe has been designed for maximum reliability and precision in demanding industrial conditions. The use of high-quality components such as SIEMENS drives and Schneider electrical elements ensures stable operation and long service life.

Slant-bed design

The optimised slant-bed structure with linear guideways provides exceptional rigidity, minimising vibration during machining. This design allows the machine to maintain high precision even under heavy loads and during intensive production cycles.

Spindle and drive

The spindle with a 72 mm bore and a SIEMENS motor rated at 11 kW (optional 15 kW) enables efficient machining of various materials and complex shapes, ensuring a high-quality finish.

BMT45 tool turret

The BMT45 tool turret with 12 positions and an option for driven tools allows complex machining operations, including milling and drilling, increasing the overall versatility of the machine.

Control system

The lathe is equipped with the SIEMENS SINUMERIK 808D control system, providing an intuitive interface, quick programming and full CAD/CAM compatibility for integration with modern manufacturing processes.

Cooling and lubrication system

The integrated cooling unit, automatic lubrication for gears and guideways, and air-conditioned electrical cabinet ensure smooth operation, reduced component wear and lower maintenance costs.

Precision and performance

The industrial CNC lathe CORMAK CK7170X4000 guarantees exceptional machining accuracy with a positioning precision of 0.001 mm. Advanced SIEMENS servo drives, a hydraulic three-jaw chuck Ø305 mm and a hydraulic tailstock (sleeve Ø90 mm, stroke 140 mm) ensure stability and repeatability during operation. The high spindle speed (2500 rpm) and the option for driven tools allow complex machining such as threading, grooving, drilling and milling with superior surface quality.

Applications of CNC lathes for metalworking

CNC metal lathes such as the CORMAK CK7170X4000 are widely used across multiple industries, including:

• Automotive industry: Production of precision components such as shafts, bushings, gears and drive system parts.
• Aerospace industry: Machining of components made from lightweight alloys and high-strength materials used in aircraft structures.
• Machinery industry: Manufacturing of machine parts, tools, injection moulds and other high-precision components.
• Mass and prototype production: Suitable for both large-scale serial manufacturing and single-unit prototyping, particularly for oversized workpieces.

This machine is the ideal choice for manufacturing facilities requiring reliable equipment for high-precision metal machining in diverse industrial applications, especially for large-scale projects.

Standard equipment

• SINUMERIK 808D control system
• Linear guideways – high rigidity and durability
• Hydraulic three-jaw chuck Ø305 mm
• Set of soft jaws
• Hydraulically operated tailstock (sleeve Ø90 mm, stroke 140 mm)
• Cooling and lubrication system – automatic lubrication for gears and guideways
• Air-conditioned electrical cabinet
• Chip conveyor
• USB port – fast programme import/export
• Complete service tools set
• Full enclosure compliant with CE standards

Optional equipment*

• Hydraulic steady rest: Ø40 × 250 mm
• Driven tools
• SIEMENS SINUMERIK 828D or FANUC Oi-TF control system

*The quoted price applies to the machine only and excludes optional or additional equipment, installation, transport and training — please contact our consultant for further details.

Technical specifications

CNC control systems – SIEMENS SINUMERIK 808D, SINUMERIK 828D and FANUC Oi-TF

We offer professional CNC systems from renowned brands SIEMENS and FANUC, ensuring precision, efficiency and ease of operation. These solutions are ideal for both smaller workshops and demanding industrial applications.

SIEMENS SINUMERIK 808D – compact CNC control for basic applications

SIEMENS SINUMERIK 808D is a modern and economical CNC control system dedicated to entry-level lathes and milling machines. Designed for small and medium-sized enterprises, it offers:

• Intuitive operation – a simple graphical interface that facilitates programming and machine configuration.
• High reliability – robust design resistant to challenging workshop conditions.
• Wide compatibility – suitable for machines with standard technological requirements.
• An excellent choice for beginner CNC users wishing to start working with a modern control system.

SIEMENS SINUMERIK 828D – advanced control for demanding applications

SINUMERIK 828D is a professional CNC control designed for lathes and milling machines requiring higher precision and performance. Its key features include:

• High computing power – fast data processing enabling dynamic and accurate machining.
• Extended technological functions – advanced machining cycles, interpolation and tool-path optimisation.
• Compact and robust design – ideal for use in industrial environments.
• Easy automation integration – possibility of expansion with additional modules and process control options.
• CAD/CAM compatibility – seamless cooperation with design and production management software.

It is an excellent choice for companies seeking reliable CNC control for more complex machining operations.

FANUC Oi-TF – stability and precision in turning operations

FANUC Oi-TF is one of the most widely used CNC control systems for lathes, known for its reliability and user-friendly interface. It is highly valued in metalworking industries for:

• Exceptional operational stability – precise and consistent performance even in long production cycles.
• Advanced turning functions – supports multiple operations such as threading, grooving and drilling.
• User-friendly interface – quick programming and easy operation with a clear display and optimised menu layout.
• Wide compatibility – suitable for numerous lathe models.
• Process optimisation – enables better control of machining parameters, saving time and materials.

With the FANUC Oi-TF control system, users benefit from reliable and precise machining, resulting in improved efficiency and quality.

Choosing the right CNC control system is essential for optimising machining performance. The SIEMENS SINUMERIK 808D is ideal for basic applications, SIEMENS SINUMERIK 828D for advanced production processes, and FANUC Oi-TF ensures ultimate stability and reliability in professional turning operations.

Why choose CORMAK?

With over 20 years of experience in supplying industrial machinery, CORMAK is a leading provider of reliable CNC metalworking lathes. Our machines are trusted by professionals thanks to:

• 16 years of experience in servicing SIEMENS CNC control systems.
• Extensive stock availability – over 15,000 m² of warehouse space with approximately 12,000 machines available.
• Professional service support – both warranty and post-warranty assistance.
• European safety certification – all machines comply with strict EU safety standards.

Invest in the CORMAK CK7170X4000 Slant-Bed CNC Lathe and enhance your production efficiency. Contact us today for detailed information and a tailored quotation. Our specialists will help you select the best solution for your business!

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User manuals

SIEMENS SINUMERIK 828/840

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SIEMENS SINUMERIK 808

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