Noise elminating adaptor for a cutting tool

Details Noise elminating adaptor for a cutting tool Noise elminating adaptor for a cutting tool

B - Operations, Transporting

23

B

B23B 29/00 (2006.01) B23B 29/04 (2006.01) B23Q 11/00 (2006.01) F16F 15/124 (2006.01)

Patent

CA 2232561

An adaptor (6) is inserted between a cutting tool (1) and a clamping section of a tool machine. The adaptor comprises a tool clamping part (3) holding the tool, and an adaptor clamping part (5) which is held by the machine. Between the two parts (3, 5) there is a bearing (2) which controls the relative movement between the two parts (3, 5) in such a manner that this movement does not influence machined geometry, dimension or surface of the work piece machined by the tool, to any significant degree, and an elastic damping member (4) which ensures that a possible relative movement between the two parts (3, 5) is damped down to a desired degree. Possible vibrations in the tool are thereby kept down on a level where they do not contribute to amplify the normal sound pressure from the machining operation, and an efficient noise suppression is achieved.

L'invention concerne un adaptateur (6) inséré entre un outil de coupe (1) et une portion de serrage d'une machine outil. L'adaptateur comprend une partie (3) permettant de serrer l'outil et une partie (5) permettant d'immobiliser l'adaptateur, maintenue par la machine. Entre ces deux parties (3, 5), un palier (2) contrôle le mouvement relatif des deux parties (3, 5) pour que ce mouvement n'ait pas d'effet significatif sur la géométrie, les dimensions ou la surface de la pièce usinée par l'outil. Un dispositif amortisseur élastique (4), également placé entre les deux parties (3, 5), permet d'amortir, de la manière souhaitée, tout mouvement relatif éventuel entre les deux parties (3, 5). Les vibrations éventuelles de l'outil sont ainsi maintenues à un niveau suffisamment bas pour ne pas contribuer à l'amplification de la pression acoustique normale d'une opération d'usinage, ce qui permet de réduire efficacement le bruit.

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