MZG SK High-Speed High-Precision Tool Holder System
As a senior industrial tooling expert at MZG Tool Machine Company, I am pleased to provide a comprehensive and detailed introduction to the SK High-Speed High-Precision Tool Holder system. This tool holder family represents a pinnacle of engineering designed for the most demanding machining operations, where speed, accuracy, and surface finish are paramount.
Exceptional High-Speed Capability
Precision-balanced to G2.5 grade, enabling operation at speeds up to 40,000 RPM with minimal vibration and superior stability for high-speed machining applications.
Superior Clamping Force and Rigidity
SK collets with 4° taper provide significantly larger contact area than 8° ER collets, resulting in powerful, uniform clamping force and exceptional rigidity for reduced tool deflection.
Outstanding Precision and Concentricity
Advanced manufacturing tolerances ensure exceptional concentricity and low runout, critical for achieving superior surface finishes and uniform cutting edge wear distribution.
System Performance Analysis
The performance of SK High-Speed High-Precision Tool Holders is defined by their exceptional stability, precision, and efficiency, particularly in high-RPM environments. The hallmark of this system is its suitability for High-Speed Machining (HSM). Models like the NBT-GSK are dynamically balanced to a precision grade of G2.5, allowing them to operate smoothly and safely at speeds up to 40,000 RPM.
The core of the SK system's performance lies in its use of SK collets with 4-degree taper angle. Compared to the more common 8-degree taper of ER collets, this shallower angle provides a significantly larger contact area between the collet and the tool holder body. This results in a powerful, uniform clamping force around the entire shank of the cutting tool, drastically reducing tool deflection.
The combination of the 4-degree taper and high manufacturing tolerances ensures exceptional concentricity and low runout. This means the cutting tool rotates in near-perfect alignment with the spindle's axis, critical for achieving superior surface finishes and ensuring each cutting edge engages the workpiece evenly.
The specialized GSK series features a full-circle, non-eccentric nut design. This symmetrical, aerodynamic nut minimizes wind resistance and the "whistling" sound often associated with high-speed rotation, creating a quieter and less fatiguing working environment while ensuring smoother cutting action.
Key Performance Indicators
- Taper Angle: 4° (SK Type)
- Speed Range: 15,000-40,000 RPM
- Balance Grade: G2.5 precision
- Clamping Range: 1.8-25.00mm
- Interface Types: BT, NBT, ISO, C-Type
Our Products
ISO-GSK Milling Machine Tool Holder
C05High-speed engraving and milling machines
NBT-GSK Milling Machine Tool Holder
C05High-speed carving and milling machines
BT-GSK Milling Machine Tool Holder
C06High-speed, high-precision cutting applications
BT-SK Milling Machine Tool Holder
C07Precision milling and engraving operations
C-GSK Milling Machine Tool Holder
C08High-speed, high-precision cutting operations
C-SK Milling Machine Tool Holder
C08Stable cutting operations with high precision
Product Gallery
Technical Parameters
Collet System & Dynamic Balance
Utilizes SK collets with 4° taper for high-precision clamping. Precision balanced to G2.5 standard with operational range typically 15,000-25,000 RPM, with specific models calibrated for up to 40,000 RPM. Available in SK6, SK10, SK16, and SK25 series.
Shank Interface & Nut Design
Available in BT (JIS B 6339), NBT (keyless), ISO, and C-Type configurations. Features non-eccentric, fully balanced round nut with keyless slot design that significantly reduces noise and minimizes wind resistance at high speeds.
Performance Specifications
Clamping range from 1.8mm to 25.00mm depending on collet series. Full-circle, non-eccentric nut design for minimal wind resistance. Superior vibration dampening and reduced noise operation for improved working environment.
Application Scenarios & Applicable Machining
Application Scenarios
- Mold and Die Manufacturing: Primary application for creating complex mold cavities and cores with excellent surface finishes
- Aerospace Industry: Machining of aluminum alloys, titanium, and exotic materials for complex structural components
- High-Speed Engraving: ISO-GSK and NBT-GSK models for high-speed spindles on engraving machines
- Hard Milling: Exceptional rigidity allows effective milling of hardened steels (>45 HRC)
- Medical Device Manufacturing: High precision essential for medical implants and surgical instruments
Machining Operations
- Precision Finishing: Low-vibration and high-concentricity for tight dimensional tolerances
- High-Speed Engraving: Intricate designs, lettering, and detailed 3D contours
- Complex Multi-Axis Toolpaths: Stability for demanding CNC programming requirements
- Surface Finishing: Mirror-like surface quality with superior dimensional accuracy
- High-RPM Cutting: Optimal performance at speeds up to 40,000 RPM
Main Functions
Primary Functions
- Secure and Concentric Tool Clamping: Grips cutting tools with immense force and near-perfect alignment to rotation axis
- Enabling High-Speed Machining: Precision dynamic balancing facilitates high rotational speeds for increased productivity
- Vibration Attenuation: Absorbs and minimizes vibrations for stable machining and superior part quality
Performance Benefits
- Efficient Torque Transmission: Reliably transmits rotational power without slippage or rigidity loss
- Reduced Noise Operation: Full-circle nut design minimizes wind resistance and whistling sounds
- Extended Tool Life: Superior clamping and vibration control contribute to longer tool performance
Need Professional SK High-Speed Tool Holder Solutions?
Our technical team can help you select optimal SK High-Speed tool holders for high-precision machining, high-speed engraving, and demanding CNC applications. From 15,000 RPM to 40,000 RPM operations, we provide comprehensive high-speed machining solutions.
