Abstract: A device for adjusting cutting depth for the removal of weld beads inside profile sections such as tubes and the like, comprising a supporting frame (1) of an elongated shape and transverse dimensions suitable for enabling it to be contained inside a profile section or tube (2), the supporting frame (1) being associated, at one end thereof, with an arm or external rod, the device being characterized in that it comprises: —a plurality of rolling elements (3) associated with the supporting frame (1) at a pre-established mutual distance in a longitudinal direction and that partially project out from the body of the same supporting frame and are capable of coming into contact with the inner surface of the profile section or tube (2) in a zone that is diametrically opposite the one whereon the internal weld bead (4) lies; —at least two rollers (5), which are idle, arranged longitudinally at a pre-established distance from each other, and mounted on small frames (6) that are movable in transverse directions with re

Abstract: A cutting-off machine, comprising a cutting unit (2) being enabled to receive a tube (100) and to cut the tube (100) according to a plane transversal to a longitudinal axis (X) of the tube (100), movement means (8) enabled to grip stably a length (S) of cut tube (100) and move said length (S) away from the cutting unit (2) along a direction of advance (A) of the tube (100), and a cutting-off device (5) interposed between said cutting unit (2) and said movement means (8) and configured to realise cutting off of an inner welding seam (200) floating inside said tube (100).

Abstract: A cut-off machine comprising: an electric motor (2) arranged for rotatingly driving a cutting tool (10); a transmission (4) which is so structured as to transmit the rotary motion of the motor (2) to the cutting tool; a control module comprising an inverter, designed to allow adjustment of the rotational speed of the motor (2). The motor (2) is so structured as to impart, to the cutting tool, a first rotational speed suitable for performing a heating and friction-based cutoff of the material to be cut; the transmission (4) is provided with an at least two-speeds gearbox, which is so configured as to vary the speed transmitted to the tool between the first speed and second speed, the latter being lower than the first speed and suitable for performing a material removal cutoff (slow-speed saw cutoff).

Abstract: A device for adjusting cutting depth for the removal of weld beads inside profile sections such as tubes and the like, comprising a supporting frame (1) of an elongated shape and transverse dimensions suitable for enabling it to be contained inside a profile section or tube (2), the supporting frame (1) being associated, at one end thereof, with an arm or external rod, the device being characterized in that it comprises: —a plurality of rolling elements (3) associated with the supporting frame (1) at a pre-established mutual distance in a longitudinal direction and that partially project out from the body of the same supporting frame and are capable of coming into contact with the inner surface of the profile section or tube (2) in a zone that is diametrically opposite the one whereon the internal weld bead (4) lies; —at least two rollers (5), which are idle, arranged longitudinally at a pre-established distance from each other, and mounted on small frames (6) that are movable in transverse directions with re

Abstract: A cutting-off machine, comprising a cutting unit (2) being enabled to receive a tube (100) and to cut the tube (100) according to a plane transversal to a longitudinal axis (X) of the tube (100), movement means (8) enabled to grip stably a length (S) of cut tube (100) and move said length (S) away from the cutting unit (2) along a direction of advance (A) of the tube (100), and a cutting-off device (5) interposed between said cutting unit (2) and said movement means (8) and configured to realise cutting off of an inner welding seam (200) floating inside said tube (100).

Abstract: A method for cutting manufactured articles (M) comprises steps of advancing a manufactured article (M) along an advancement direction (A) at a predetermined speed; predisposing a cutting device (3) associated with the manufactured article (M) and movable along the advancement direction (A); advancing the cutting device (3); synchronizing the speed of advancement of the cutting device (3) with the speed of advancement of the manufactured article (M); activating the cutting device (3); retracting the cutting device (3); the steps of synchronising and activating the cutting device (3) are comprised between the advancement step and a corresponding retracting step in order to define a cutting cycle of the manufactured article (M). The cutting cycle comprises further steps of re-synchronising the speed of advancement of the cutting device (3) with the speed of advancement of the manufactured article (M).

Abstract: The bead trimmer is preferably applied in a production line for elements having longitudinal weld beads (21), where an element slides along a parallel direction to a longitudinal axis thereof (x), and comprises a tool-bearing turret (2) for removable fixing of a trimming tool (30), associated to a first slide (3) which is slidable along a horizontal direction (y) which is transversal with respect to the longitudinal axis (x) between an internal position, in which the tool (30) is aligned with the weld bead (21), and an external position, in which the tool (30) is not aligned with the weld bead (21). The first slide (3) is associated to a second slide (4) which is vertically slidable on a bearing structure (40) along a vertical direction (z) between a lowered position, in which the tool (30) is in contact with the weld bead (21), and a raised position, in which the tool (30) is distanced from the weld bead (21).

Abstract: The bead trimmer is preferably applied in a production line for elements having longitudinal weld beads (21), where an element slides along a parallel direction to a longitudinal axis thereof (x), and comprises a tool-bearing turret (2) for removable fixing of a trimming tool (30), associated to a first slide (3) which is slidable along a horizontal direction (y) which is transversal with respect to the longitudinal axis (x) between an internal position, in which the tool (30) is aligned with the weld bead (21), and an external position, in which the tool (30) is not aligned with the weld bead (21). The first slide (3) is associated to a second slide (4) which is vertically slidable on a bearing structure (40) along a vertical direction (z) between a lowered position, in which the tool (30) is in contact with the weld bead (21), and a raised position, in which the tool (30) is distanced from the weld bead (21).

Abstract: The machine comprises: a conveyor system for continuous supply of a tube at a constant velocity and in a longitudinal direction of the tube; a cutting slide which bears a shearing device predisposed to section the tube transversally and in successive tracts thereof; elements for activating which impose a linear alternating motion on the cutting slide without stopping, between an initial position and a final position along a parallel direction with respect to the longitudinal direction. The motion comprises an outward run, at least a tract of which occurs in synchrony with an advancement of the tube and during which the tube is sectioned, and a return run, following which the cutting slide is brought back to the initial position. Both the outward return runs comprise an acceleration tract, a constant velocity tract and a deceleration tract.

Abstract: The machine comprises a scoring tool, which makes a first surface incision tangentially of a tubular element, and a blade for making a full cut starting from the surface incision, the machine being characterized in that it comprises means for autonomously commanding and guiding a working cycle of the scoring tool and also comprises distinct means for autonomously commanding and guiding a working cycle of the blade.

Abstract: The machine comprises a scoring tool, which makes a first surface incision tangentially of a tubular element, and a blade for making a full cut starting from the surface incision, the machine being characterized in that it comprises means for autonomously commanding and guiding a working cycle of the scoring tool and also comprises distinct means for autonomously commanding and guiding a working cycle of the blade.

Abstract: In a propulsion device for power machines operating in conjunction with production lines carrying an uninterrupted stream of semi-finished iron or steel products, the machine or tool (5) forms a part of a guided mobile assembly (3) capable of traversing back and forth parallel to the production line (4) and set in motion by at least one wire rope (8) to which it is firmly anchored. The rope (8) is wound around and tensioned between two pulleys or drums (9, 10) of which at least one is power driven.

Abstract: The roll forming machine consists in a succession of stands (1), each carrying at least two parallel forming rolls (12, 13) carried by shafts (48, 49) journaled on either side to a pair of uprights (16, 17) anchored permanently to a base (2) that can be clamped to and separated from the fixed bed (3) of the machine; the rolls (12, 13) of each stand are driven by way of respective p.t.o. shafts (32, 33) mounted to a further fixed upright (27) and carried in journal blocks (34, 35) of which at least one associates with the upright on a floating fit that will allow a margin of transverse movement in relation to the axis of rotation. Self-aligning couplings (38, 39) are used to connect the roll shafts (48, 49) with the p.t.o. shafts (32, 33).