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

Multi-Material Compatibility

Suitable for a wide range of cutting tools, from HSS drills to carbide end mills. ER collets accommodate tool diameters from 0.5mm to 32mm, while milling chucks support heavy-duty cutting of stainless steel and titanium with radial loads up to 8kN.

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These chucks are designed for end mills and router bits and allow quick tool changes through the use of collets or hydraulic systems. Collet type chucks like ER32 Make it possible to achieve a runout less than 0.01mm and clamping ranges of 3-20mm which is feasible for general milling tasks. Hydraulic chucks are equipped with high-precision features allowing runout to be less than 0.005mm. They are rotationally stable during extreme feed milling (up to 2000mm/min) of aluminum alloys. Optional coolant-thru and increased chip control and burst protect are offered with both types.

Frequently Asked Questions

What are the types of tool holders and their precision?

Common types include ER collets (±0.01mm precision for light machining), hydraulic chucks (radial runout ≤0.005mm for high-speed cutting), and milling chucks (high-precision radial runout ≤0.005mm).

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Customer Reviews

Evelyn

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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collet chuck angle head milling chuck vdi tool holder coolant 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.