Tool Holder: Precision Tool Clamping Solutions for CNC Machining

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Tool Holder: Types, Applications, and Selection Tips for Machining Tools

A key component connecting the machine tool spindle and cutting tools, used for transmitting torque and positioning accuracy. Common types include ER collets (elastic design, wide clamping range, ±0.01mm precision for light machining), hydraulic chucks (high rigidity, vibration resistance, suitable for high-speed cutting up to 50,000rpm), and milling chucks (high-precision radial runout ≤0.005mm for milling).
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Advantages of the product

High-Precision Positioning

ER collets offer ±0.01mm clamping precision, while hydraulic chucks ensure radial runout ≤0.005mm, guaranteeing coaxial accuracy and surface finishes as low as Ra≤1.6μm. Essential for high-tolerance applications like medical implant machining.

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The ADB (Adjustable Diameter Bushing) tool holder with a micrometer dial capable of adjusting cutting tool protrusion length 伸出量 to the precision of 0.001mm, is designed specifically for Swiss-type lathes. For medical component manufacturing, it is vital for precision threading and grooving due to its dual-lock mechanism (both radial and axial) which ensures runout ≤0.003mm at 20,000rpm. It is also coolant-through compatible and supports high-pressure cooling of up to 20MPa which increases tool stability during machining.

Frequently Asked Questions

Do tool holders meet industry standards?

Yes, they meet ISO 2768-1 and ASME B5.50 standards, ensuring repeatable accuracy in medical device production, optical component machining, and automotive powertrain fabrication.

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Customer Reviews

Claire

In aircraft engine part machining, the holder’s radial runout ≤0.005mm ensured turbine blade dovetail fit precision. Thermal stability kept dimensions within ±0.002mm across ±5°C fluctuations, critical for high-tolerance applications.

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tool holder collet chuck hydraulic tool holder shrink fit tool holder cat tool holder
Rigid Anti-Vibration Design

Rigid Anti-Vibration Design

Hydraulic chucks use uniform clamping pressure (50-200bar) to eliminate tool slippage during interrupted cuts, reducing tool breakage by 30% in hard materials like Inconel. Suitable for deep-hole drilling and high-feed milling operations.
Thermal Stability

Thermal Stability

Heat-shrink tool holders maintain dimensional stability at temperatures up to 300°C, with thermal expansion coefficients ≤11×10⁻⁶/°C. Ensures consistent performance in prolonged high-speed machining of aerospace alloys.
Modular Tooling Solutions

Modular Tooling Solutions

Interchangeable collet sets (e.g., ER11-ER50) and adapter kits allow quick reconfiguration for different machine interfaces (BT, HSK, CAT). Reduces inventory costs by 40% in job shops handling diverse machining projects.