What is a Cylindrical Grinding Machine?
Ultra-Precision Accuracy
±2μm tolerance ensures reliability for high-value aerospace, defense, and semiconductor parts.
Versatile Machining Capability
Handles small to large cylindrical components across multiple industries.
Advanced Spindle Options
Hydrostatic, hydrodynamic, and high-frequency (30,000–120,000 rpm) spindles for stable performance.
Proven Productivity & Reliability
Efficient for small-batch production with smooth, low-noise operation.
Cylindrical grinding machines stand out as essential tools for improving precision and surface quality, playing a critical role across industries such as aerospace, defense, automotive, medical, and electronics.
Grinding Wheel :
Size Ø405 × 152.4 × 50 mm, Width 25–75 mm
Accuracy :
Min. Setting Unit: 0.001 mm
Machine Size :
2,500 × 2,000 × 1,700 mm, Weight: 5,500 kg
Products & Services
Screw external/internal thread grinding machine(SGTE .SGTI)
ORSKOREA
ORSKOREA’s thread grinding machines are designed for high-precision machining of both internal and external threads, covering a wide range of thread profiles and dimensions. These machines are critical for producing aerospace fasteners, defense system parts, precision ball screws, and other components where accuracy and durability are vital.
Key Advantages
• CNC Control: 4-axis (SGTE) and 5-axis (SGTI) for complex thread profiles
• High-rigidity structure minimizing vibration and thermal distortion
• Built-in dressing and balancing units for consistent quality
By shortening processes and improving efficiency, ORSKOREA’s thread grinders reduce costs while enabling high-value, high-accuracy production. They also serve as advanced domestic alternatives to imported machines, strengthening localization and export competitiveness.
Key Advantages
• CNC Control: 4-axis (SGTE) and 5-axis (SGTI) for complex thread profiles
• High-rigidity structure minimizing vibration and thermal distortion
• Built-in dressing and balancing units for consistent quality
By shortening processes and improving efficiency, ORSKOREA’s thread grinders reduce costs while enabling high-value, high-accuracy production. They also serve as advanced domestic alternatives to imported machines, strengthening localization and export competitiveness.
Universal cylindrical grinding machines(SGU35)
ORSKOREA
ORSKOREA’s cylindrical grinding machines are engineered to deliver superior surface quality and tight tolerances for high-value parts. They are widely used in aerospace, defense, automotive, medical, and electronics industries for components that demand both strength and precision—such as engine shafts, landing gear parts, gears, and bearings.
Key Advantages
• Handles diverse, small-batch productions with consistent repeatability
• Exceptional dimensional precision for tight-tolerance parts
• Supports tapered and curved surface grinding
• Flexible workpiece capacity with swing up to 350 mm
• Smooth table movement with low noise and vibration for stable operation
By combining precision, versatility, and long-term reliability, ORSKOREA’s cylindrical grinders provide manufacturers with the performance needed to meet mission-critical requirements.
Key Advantages
• Handles diverse, small-batch productions with consistent repeatability
• Exceptional dimensional precision for tight-tolerance parts
• Supports tapered and curved surface grinding
• Flexible workpiece capacity with swing up to 350 mm
• Smooth table movement with low noise and vibration for stable operation
By combining precision, versatility, and long-term reliability, ORSKOREA’s cylindrical grinders provide manufacturers with the performance needed to meet mission-critical requirements.
High Frequency Spindle
ORSKOREA
ORSKOREA’s high frequency grinding spindles, operating at speeds up to 120,000 rpm—the highest level in Korea—are engineered for ultra-precision and durability in critical defense and aerospace applications. In addition to belt-driven, built-in motor, hydrostatic, and hydrodynamic types widely used in semiconductor and precision equipment, our spindles are customized to deliver the exact speed and power output required by customers. With over 25 years of expertise in repairing and retrofitting leading Japanese, German, and Swiss brands such as TOYO, KOYO, OKUMA, GMN, and Fischer, and with multiple proprietary patents including joint developments with Schaeffler Korea, ORSKOREA ensures proven reliability. These spindles are ideal for machining high-value defense components such as armored vehicle gears, drone actuators, aircraft engine parts, multispectral sensor housings, and advanced optical or communication devices, supporting the competitiveness of both defense and civilian manufacturers.
Centerless ginding machines (SGC 300)
ORSKOREA
ORSKOREA’s centerless grinding machines ensure stable accuracy and durability without the need for chucks or centers. By allowing workpieces to rotate freely between the grinding and regulating wheels, they deliver high-efficiency and uniform machining for shafts, pins, housings, and other cylindrical components used in aerospace, defense, and advanced automotive systems.
Key Advantages
• High productivity through fast, efficient multi-part processing
• ±2μm precision and long-term repeatability
• Versatility to handle components from small to large sizes
• Hydrostatic slides and spindles minimizing heat and vibration
• Proven stability for high-value part manufacturing such as engine components, battery cases, and optical housings
By combining productivity, accuracy, and reliability, ORSKOREA’s centerless grinders significantly enhance competitiveness in both defense and civilian applications.
Key Advantages
• High productivity through fast, efficient multi-part processing
• ±2μm precision and long-term repeatability
• Versatility to handle components from small to large sizes
• Hydrostatic slides and spindles minimizing heat and vibration
• Proven stability for high-value part manufacturing such as engine components, battery cases, and optical housings
By combining productivity, accuracy, and reliability, ORSKOREA’s centerless grinders significantly enhance competitiveness in both defense and civilian applications.
People
Gyuhyun SHIM
ORSKOREA
Junior Mechanical Engineer
Irene(Jaemin) KIM
ORSKOREA
AI Specialist
Lidia (Soeyeong) SHIM
ORSKOREA
Strategic Business Manager
Seokbeom KANG
ORSKOREA
Junior Production Manager
Seonghyeon SON
ORSKOREA
Marketing Specialist
Yasin ÖZDEMIR
ORSKOREA
Global Sales Representative
Youjin SHIM
ORSKOREA
Marketing Specialist
Description
[What is a Cylindrical Grinding Machine?]
A cylindrical grinding machine is a specialized tool used to grind the outer or inner surfaces of cylindrical or conical components. The primary purpose of cylindrical grinding is to improve the surface quality of the circular workpiece and achieve precise tolerances.
Work pieces processed on lathes or CNC lathes often have insufficient surface roughness Ra values. Thus, a cylindrical grinding machine is needed in various industrial fields where precision and surface quality are critical.
[Applications of Cylindrical Grinding Machines]
Aerospace Industry :
Machining durable, high-precision parts such as turbine blades and landing gear.
Automotive Industry :
Grinding high-precision components like engine parts, gears, and bearings.
Electronics Industry :
Crafting high-precision parts for semiconductor manufacturing equipment.
[Advantages of Cylindrical Grinding Machines]
- Ideal for Diverse yet Small-Batch Productions
- High-precision Dimensional Capability
- Capability for Tapered and Curved Grinding
- Length Versatility
- Efficient Grinding Wheel Reuse
- Smooth Table Movement and Low Noise and Vibration
[Key Features of ORSKOREA Cylindrical Grinding Machine?]
- Swing Capacity Up To 350mm
- Hydrodynamic or Hydrostatic Spindle Options
- Mineral Casting Bed Options for Enhanced Stability
- Multi Workhead & Adjustable Tailstock for Flexibility
A cylindrical grinding machine is a specialized tool used to grind the outer or inner surfaces of cylindrical or conical components. The primary purpose of cylindrical grinding is to improve the surface quality of the circular workpiece and achieve precise tolerances.
Work pieces processed on lathes or CNC lathes often have insufficient surface roughness Ra values. Thus, a cylindrical grinding machine is needed in various industrial fields where precision and surface quality are critical.
[Applications of Cylindrical Grinding Machines]
Aerospace Industry :
Machining durable, high-precision parts such as turbine blades and landing gear.
Automotive Industry :
Grinding high-precision components like engine parts, gears, and bearings.
Electronics Industry :
Crafting high-precision parts for semiconductor manufacturing equipment.
[Advantages of Cylindrical Grinding Machines]
- Ideal for Diverse yet Small-Batch Productions
- High-precision Dimensional Capability
- Capability for Tapered and Curved Grinding
- Length Versatility
- Efficient Grinding Wheel Reuse
- Smooth Table Movement and Low Noise and Vibration
[Key Features of ORSKOREA Cylindrical Grinding Machine?]
- Swing Capacity Up To 350mm
- Hydrodynamic or Hydrostatic Spindle Options
- Mineral Casting Bed Options for Enhanced Stability
- Multi Workhead & Adjustable Tailstock for Flexibility
