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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Cutter heads are attached to busters with precise outer threads or external splines over which cutter fitting is done. Rigid designs (torsional stiffness ≥50N·m/μm) have low deflection when large workpieces are side milled, alongside customizable chop spacing with adjustable modular spacers. These tools, used extensively in band saw woodworking and metal fabrication, permit simultaneous surface machining, thus increasing productivity by 50%.

Frequently Asked Questions

How do ER collets facilitate tool changes?

ER collets enable tool changes in <15 seconds via nut tightening, ideal for high-mix, low-volume production, and accommodate tool diameters from 0.5mm to 32mm.

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Customer Reviews

Eli

Milling chucks’ quick-change mechanism reduced tool swaps to <15s, boosting batch production efficiency by 30% with CNC ATC. Tungsten carbide holders showed no wear after 2,000+ hours of continuous use—exceeded durability expectations.

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collet chuck hsk tool holder milling arbor shrink fit tool holder bt 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.