Importance

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Abstract

A hydromechanical chuck intended to be mounted, with one end thereof, in a machine, such as a drilling machine, milling machine, lathe machine etc. and, with the opposite end thereof to releasably hold a shaft tool like a drill, a milling tool, a rotary saw blade, or a rotary grinding roll. The hydromechanical chuck is formed as a cone coupling chuck comprising a inner sleeve which can change is radial dimensions and has a central bore for receiving the shaft of a shaft tool. The inner sleeve is adapted for being radially compressed against the tool shaft. The hydromechanical chuck has a solid outer sleeve which is axially displaceable on the inner sleeve. The inner sleeve and outer sleeve are formed with a matching cone surface, which, upon a displacement of the outer sleeve on the inner sleeve, provides a radial compression of the inner sleeve. The chuck is formed with a hydraulic clamp pressure chamber comprising a hydraulic pressure medium which, upon pressurization, displaces the outer sleeve on the inner sleeve, thereby connecting the tool. A pressure release chamber releases the joint between the chuck and the tool.

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First Claim