MACHINE DE COUPE SIMULTANÉE D'UNE PLURALITÉ DE DALLES À PARTIR D'UN MATÉRIAU DE BLOC DE PIERRE

摘要

Machine (10, 10') for simultaneous cutting of a plurality of slabs (18) from a block (B) of stone material through a plurality of band saw blades (11), wherein each of said band saw blades (11) is closed in a loop between a respective driving pulley (12) or a shared driving drum and a respective driven pulley (13) or a shared driven drum, the driving and driven pulleys (12) or drums being mounted on a frame (14) movable along two directions (x, y) in a horizontal plane (ττ), a cutting direction (x) and a direction (y) of relative advancement of said block (B) of stone material with respect to said frame (14), and wherein at least the portion of the path of each of said band saw blades (11) included between respective movable spacers (19) is inclined with respect to the vertical at an angle between 3 and 20° in the direction of cutting.