ROLLER FOR SUPPORTING AND/OR GUIDING OF DIAMOND WIRES IN MULTI-WIRE MACHINES FOR CUTTING BLOCKS OF ARTIFICIAL OR NATURAL STONE

摘要

A roller or drum for support and/or guide of diamond wires in multi-wire machines for cutting blocks of artificial or natural stone, comprising: rotating support organs the roller or drum on a pivot or axis of support; a covering (8) made from soft material equipped with grooves (7, 9) for housing, supporting and guiding closed loop adjacent diamond wires; and it is characterized in that the roller or drum in subdivided into at least two sections (2, 3, 4, 32 or 42) or roller or drum constituting at least two parts of roller or drum, for supporting and guiding a number of adjacent diamond wires equal to or more than two per part of roller or drum; correspondingly, each section has its respective part or roller or drum equipped with supporting and rotating organs for each part which are independent and connected to a supporting and rotating axis or pivot of the roller or drum. In a form of construction, the supporting axis or pivot is subdivided into parts of supporting axis or pivot of a width corresponding to the width of the parts of roller of the said sections (2, 3, 4 or 32); the rotating support organs on the corresponding part of supporting axis or pivot allow the section of roller or drum to be separate or joined to the adjacent sections by means of the connection/assembly parts of supporting axis or pivot drawn together. In a further form of construction, the dismantling of the hub (46) and the relative rotating modular body (41 ) of part/section (42) occurs by means of the dismantling of a flange coupling equipped with ears (44, 45) connected through openings (51) and grooves (48) in the opposite flange.