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An integrated heat-shrink toolholder is a high-precision, high-rigidity tool clamping system. Its operating principle leverages the thermal expansion and contraction properties of the toolholder material . Using a heating device , the bore at the front end of the toolholder is expanded. The cutting tool is then inserted. As the toolholder cools and contracts, it generates a uniform and powerful clamping force, securely holding the tool.
Key Features:
1.High Precision: Offers extremely high concentricity (typically < 3μm) and repeatability, ensuring minimal tool runout. This significantly improves surface finish and dimensional accuracy.
2.High Rigidity: The monolithic structure, devoid of any moving parts (like collets or nuts), provides excellent torsional rigidity and vibration damping, making it suitable for high-speed and high-load machining.
3.Excellent Balance: The symmetrical design with no protruding components allows for superior dynamic balance, making it ideal for high-speed machining applications.
4.Wide Clamping Range: A single toolholder can accommodate various tool shank diameters within a specific range, offering good versatility.
5.Preset Capability: Once cooled and contracted, the tool position is fixed, facilitating easy tool length presetting.
