What Makes a 120,000 rpm Spindle Stay Stable?
Minimal-Component Design
Simplified structure for easier maintenance and higher reliability
Thermal & Vibration Control
Patented technology ensures stability at ultra-high speeds
Wide Speed Range
Operates from 30,000 to 120,000 rpm for diverse applications
Ultra-Low Vibration
Delivers 0.5–0.8 mm/sec vibration levels for precision machining
In aerospace, semiconductor, medical, and EV industries, spindle vibration and heat are key factors affecting productivity and quality. Backed by 30+ years of expertise and patented technology, ORSKOREA’s high-frequency spindles deliver stable performance trusted by leading manufacturers worldwide.
Speed Range :
30,000 – 120,000 rpm
Vibration Level :
0.5 – 0.8 mm/sec
Dimensions :
Ø100–150 mm, Length 227–380 mm
Products & Services
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.
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.
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.
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.
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
[The Rise of High-Frequency Spindles in Ultra-Precision Manufacturing]
As the demand for high-precision and high-speed machining continues to grow across industries such as aerospace, semiconductors, precision mold manufacturing, and medical devices, high-frequency spindles are emerging as a critical component in advanced machinery.
Because they must deliver both ultra-fast rotational speeds and exceptionally low vibration, high-frequency spindles are considered among the most precise parts within a machine — directly impacting the quality and productivity of the equipment itself.
[ORSKOREA’s SHS Series: Designed for Precision, Built for Trust]
With over 30 years of experience in spindle maintenance and in-house development, backed by patented technologies, ORSKOREA has designed the SHS Series of high-frequency spindles to meet the evolving demands of precision manufacturing.
The SHS Series offers the following key technical features:
- A minimal-component design for easier maintenance
- Patented thermal and vibration control technology
- Wide speed range from 30,000 rpm to 120,000 rpm
- Ultra-low vibration levels, ranging from 0.5mm to 0.8mm/sec
- Customizable configurations tailored to specific machining conditions
ORSKOREA’s high-frequency spindles deliver both high-speed rotation and ultra-precise machining, adapting seamlessly to a wide range of processes across domestic and global customer environments.
As the demand for high-precision and high-speed machining continues to grow across industries such as aerospace, semiconductors, precision mold manufacturing, and medical devices, high-frequency spindles are emerging as a critical component in advanced machinery.
Because they must deliver both ultra-fast rotational speeds and exceptionally low vibration, high-frequency spindles are considered among the most precise parts within a machine — directly impacting the quality and productivity of the equipment itself.
[ORSKOREA’s SHS Series: Designed for Precision, Built for Trust]
With over 30 years of experience in spindle maintenance and in-house development, backed by patented technologies, ORSKOREA has designed the SHS Series of high-frequency spindles to meet the evolving demands of precision manufacturing.
The SHS Series offers the following key technical features:
- A minimal-component design for easier maintenance
- Patented thermal and vibration control technology
- Wide speed range from 30,000 rpm to 120,000 rpm
- Ultra-low vibration levels, ranging from 0.5mm to 0.8mm/sec
- Customizable configurations tailored to specific machining conditions
ORSKOREA’s high-frequency spindles deliver both high-speed rotation and ultra-precise machining, adapting seamlessly to a wide range of processes across domestic and global customer environments.
