Rotary tool with combined abrasive and fragmentation action...

B - Operations – Transporting – 24 – B

Patent

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Details

B24B 9/06 (2006.01) B24D 5/06 (2006.01) B24D 7/18 (2006.01) B28D 1/18 (2006.01) B28D 1/30 (2006.01)

Patent

CA 2353494

The rotary tool for producing profiles or cuts in hard fragile materials such as marble, granite, stone, glass and the like comprises at least one rotationally symmetrical body (1, 2) involving a configuration defined by the envelope of a multiplicity of circular parts (6-13) externally provided with diamond means. The circular parts are separated by grooves (20 to 25) and the configuration corresponds as a negative of profiles or cuts to be produced in the above-mentioned hard fragile materials, the arrangement being such that the production of profiles or cuts is effected jointly by abrasion on the part of the diamond means and by fragile-fracture breaking on the part of the grooves, and possible breaker inserts (30) with a metal pin which is hard or covered with industrial diamond.

L'invention concerne un outil rotatif permettant de produire des profilés ou des coupes sur des matériaux durs fragiles comme le marbre, le granite, la pierre, le verre, ou similaires. Cet outil rotatif comprend au moins un corps (1, 2) qui pivote de manière symétrique, la configuration de ce corps étant définie par l'enveloppe d'une multiplicité de pièces circulaires (6-13) dont l'extérieur est muni de meules diamants. Ces pièces circulaires sont séparées par des rainures (20 à 25), de sorte que la configuration susmentionnée correspond à l'inverse de celle des profilés ou coupes destinés à être produits sur lesdits matériaux durs fragiles. La production de ces profilés ou coupes s'effectue conjointement à une abrasion par les meules diamants et à une rupture par les rainures, rupture susceptible de provoquer une fracture fragile, des inserts (30) munis d'une broche métallique dure ou recouverte d'un diamant industriel étant par ailleurs prévus.

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