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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The Hollow Shaft Kamlock (HSK) system design features a 1:10 taper with face contact which has 60% better rigidity than 7:24 taps, and unrivaled accuracy and repeatability of ≪2μm. It is balanced for 40,000rpm, making it essential for aerospace blisk rotor machining and optical lens grinding and polishing. Internal cooling channels, through-spindle coolant (up to 10 MPa), and tool changers which reduce tool change times to under 3 seconds further improve deep-cavity milling performance.

Frequently Asked Questions

What materials are tool holders suitable for?

They are compatible with HSS drills, carbide end mills, and other tools, supporting heavy-duty cutting of stainless steel and titanium with radial loads up to 8kN.

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Customer Reviews

Michael

ER collets’ ±0.01mm precision excelled in precision mold milling. Paired with hydraulic chucks’ high rigidity, vibrations were ≤0.003mm at 50,000rpm, enhancing mold surface finish (Ra≤1.6μm).

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tool holder bt tool holder vdi tool holder coolant tool holder adb 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.