Method and apparatus for processing a linear groove to an...

B - Operations – Transporting – 29 – C

Patent

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Details

B29C 59/00 (2006.01) B29C 35/02 (2006.01) B60R 21/20 (2006.01)

Patent

CA 2363843

In the invention, an oscillating horn (4C:) of an ultrasonic processing apparatus (4) is moved along a planned process line and along the side of a rear face (3b) of a resin skin (3) which is fixedly held so that the front face is closely in contact with a flat face (1a) of a surface table (1), whereby a resin for the skin is sequentially fused by ultrasonic vibration, and a fused resin (3d) is removed to sides to process a linear groove (6). Therefore, the linear groove (6) having a reproducible constant breakage resistance can be efficiently processed on the side of the rear face (3b) of the skin (3), without applying any damage to a design face, and with reduced power consumption and simple control.

L'invention concerne un procédé pour former une rainure linéaire (6) reproductible, qui présente une résistance constante à la rupture sur la surface arrière (3b) d'un revêtement (3) sans endommager une surface à dessins, consomme peu d'énergie et se met en oeuvre par une commande simple. Le procédé consiste à déplacer, le long d'une ligne de formation prévue, une bigorne vibrante (4C) d'un matériel d'usinage ultrasonore (4) sur la surface arrière (3b) du revêtement en résine (3) dont la surface frontale est solidement contrecollée à la surface plate (1a) d'un marbre (1) pour faire fondre progressivement le revêtement en résine par vibrations ultrasonores et enlever latéralement la résine fondue (3d) afin de former une rainure linéaire (6).

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