Multiwire sawing machine for the cutting of material in...

B - Operations – Transporting – 23 – D

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Details

B23D 57/00 (2006.01) B28D 1/08 (2006.01)

Patent

CA 2622851

The sawing machine according to the invention comprises a double portal structure (11) with two pairs of uprights (11.1), along which slides a respective ram (13). The rams (13) bear four support shafts (15), superposed in pairs and each supporting a coaxial roller, respectively a plurality of coaxial pulleys (18), mutually juxtaposed in packet fashion, having coplanar races according to respective vertical planes. A shaft (15) rotates integrally with the respective roller, or with the respective packet of pulleys (18). The other rollers, or packets of pulleys (18) are idle. On sets of four coplanar races is wound a corresponding wire or cutting tool (19) in closed loop, to execute the cut in a corresponding vertical plane of a block of material (B).

La présente invention vise une machine à scier qui comprend une structure à deux béquilles (11) avec deux paires de montants (11.1) le long desquels un coulisseau (13) correspondant coulisse. Les coulisseaux (13) portent quatre tiges de support (15), superposées en paires et portant chacune un rouleau coaxial ou une pluralité de poulies coaxiales (18) juxtaposées mutuellement sous la forme d~un groupe et possédant des chemins coplanaires conformes à des plans verticaux respectifs. Une tige (15) tourne intégralement avec le rouleau correspondant ou avec le groupe de poulies correspondant (18). Les autres rouleaux ou groupes de poulies (18) sont menés. Sur des jeux de quatre chemins coplanaires est enroulé un fil ou un outil de coupe correspondant (19) en boucle fermée, pour réaliser la coupe dans un plan vertical correspondant d~un bloc de matière (B).

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