Tool holder equipped with a damping means and comprising a device for preventing excessive heating of the damping means

摘要

A tool holder (1) in the form of a boring head, a chuck, a milling cutting arbor, or the like, is equipped with a damping element (2) in the form of an elongated body that is arranged in an end housing (3) of the tool holder (1), with corresponding shape and size. The tool holder that is characterized in that it includes a device (4) for preventing excessive heating of the damping element (2). The tool holder is more particularly applicable in the field of numerically-controlled machine tool accessories, machining centers, and flexible cells and workshops.

主权项

1. A tool holder, comprising:
an outer first part (1) having a rear end and an opposite front end, the front end having a sleeve (5) that accommodates one of a group consisting of a boring head, and a milling cutting arbor; an end housing (3) within the outer first part; a damping means (2) in the form of an elongated body, the damping means (2) being arranged in the end housing (3) and having a shape and a size corresponding to a shape and a size of the end housing, the damping means (2) having a first end towards the front end of the outer first part and a second end towards the read end of the outer first part; and a device (4) for preventing excessive heating of the damping means (2), the device (4) being positioned between first end of the damping means (2) and the sleeve (5) such that the device (4) for preventing excessive heating provides a shield that covers an entirety of the first end of the damping means (2) in a plane perpendicular to a longitudinal axis of the tool holder at the first end of the damping means (2).