Abstract: A shear for cutting and simultaneously conveying one or more pairs of rolling wires or bars includes a mobile diverter with at least two channels in each of which a wire or bar slides and at least two pairs of counter-rotating knives, each pair of which acts upon the wire or bar to produce cut segments of wires or bars. The cut segments of wires or bars are then conveyed by a conveying device including at least one pair of mobile elements that may be configured to move independent of each other and to be synchronized with each other and with the mobile diverter for facilitating insertion of each of the cut sections of wires or bars into an output channel of at least two pairs of output channels, each pair of output channels corresponding to one of the mobile diverters.

Abstract: A welding machine, preferably of the flash butt welding type, designed to facilitate maintenance of the clamping means, e.g. clamps, of the two longitudinal metal products to be welded. Advantageously, a first structure, provided with first clamping means, and a second structure, provided with second clamping means, are supported in a first part of the carriage delimited by a first beam and a second beam of the carriage parallel to the feeding direction, while at least one transformer is fixed to the carriage and supported in a second part of the carriage, arranged laterally outside the first part.

Abstract: The single shear described herein for cutting and simultaneously conveying one or more pairs of rolling wires or bars (1, 2), comprises the following parts: a mobile diverter (5) consisting of at least two channels (6, 7) in each of which a wire or bar (1, 2) slides; at least two pairs of counter-knives (3, 4) each of which acts on a wire or bar (1, 2); a conveying device (9) for conveying the cut segments of wires or bars (1, 2), comprising—at least one pair of mobile elements (20, 20?) configured to be independent of each other and synchronized with each other and with the mobile diverter (5), for the separate management of each of said cut sections of wires or bars (1, 2), and—at least two pairs of output channels (A1, A2, B1, B2) for conveying the cut segments of wires or bars (1, 2).

Abstract: The single shear described herein for cutting and simultaneously conveying one or more pairs of rolling wires or bars includes a mobile diverter consisting of at least two channels in each of which a wire or bar slides. The single shear further includes at least two pairs of counter-knives, each of which acts on the wire or bar, and a conveying device for conveying the cut segments of wires or bars. The conveying device may include at least one pair of mobile elements configured to be independent of each other, but configured to be synchronized with each other and with the mobile diverter for the separate management of each of said cut sections of wires or bars. The single shear may finally include at least two pairs of output channels for conveying the cut segments of wires or bars.

Abstract: A rolling plant for rolling billets or blooms, the plant defining a longitudinal feeding axis X of said billets or blooms and comprising a feeding area for feeding said billets or blooms; a rolling train; a longitudinal roller table to transport the billets or blooms from said feeding area to said rolling train along said longitudinal feeding axis X; a welding machine adapted to move forwards and backwards along said longitudinal roller table to weld billets or blooms to one another when moving from said feeding area to said rolling train; characterized in that said welding machine is slidingly suspended from a bridge and is adapted to translate parallel to said longitudinal feeding axis X, and said bridge is arranged at the longitudinal roller table and is adapted to translate transversely to said longitudinal feeding axis X, whereby in a first operating position of the bridge the welding machine occupies part of the longitudinal roller table and can move forwards and backwards along said longitudinal fe

Abstract: A steel plant for the production of long metal products includes a continuous casting machine and a rolling mill disposed contiguous and in direct succession downstream of the continuous casting machine. The continuous casting machine is provided with at least two casting lines and the rolling mill is provided with at least two rolling lines. The plant includes a single feed apparatus for feeding molten metal, and the at least two casting lines are configured to receive molten metal from the single feed apparatus.

Abstract: A steel plant for the production of long metal products comprises a continuous casting machine, a rolling mill disposed downstream of the continuous casting machine, and one or more transfer paths for the semifinished cast products, configured to connect the continuous casting machine and the rolling mill. The steel plant also comprises at least one maintenance and/or heating furnace, a discharge plate for the semifinished cast products, and an aerial transfer device.

Abstract: The descaling device (100) of the interior of a tube (1) comprises a supporting structure (9), a conveyor (2) for conveying the tube (1) with an inclinable stretch to arrange the tube in an inclined position by an angle with respect to the horizontal plane, a lance (3) with nozzles (4) to spray a fluid inside the tube (1) to carry out the operation of descaling the inner surface. The lance (3) is fixed to guides (7) above the conveyor (2) in an inclined position with respect to the horizontal plane, and may axially slide within the tube (1) during the descaling operation by spraying water into the tube.

Abstract: A steel plant for the production of long metal products comprises a continuous casting machine, a rolling mill disposed downstream of the continuous casting machine, and one or more transfer paths for the semifinished cast products, configured to connect the continuous casting machine and the rolling mill. The steel plant also comprises at least one maintenance and/or heating furnace, a discharge plate for the semifinished cast products, and an aerial transfer device.

Abstract: A steel plant for the production of long metal products comprises a continuous casting machine and a rolling mill disposed contiguous and in direct succession downstream of the continuous casting machine. The continuous casting machine is provided with at least two casting lines and the rolling mill is provided with at least two rolling lines. The plant comprises a single feed apparatus for feeding molten metal, and the at least two casting lines are configured to receive molten metal from the single feed apparatus.

Abstract: The single shear described herein for cutting and simultaneously conveying one or more pairs of rolling wires or bars (1, 2), comprises the following parts: a mobile diverter (5) consisting of at least two channels (6, 7) in each of which a wire or bar (1, 2) slides; at least two pairs of counter-knives (3, 4) each of which acts on a wire or bar (1, 2); a conveying device (9) for conveying the cut segments of wires or bars (1, 2), comprising—at least one pair of mobile elements (20, 20?) configured to be independent of each other and synchronized with each other and with the mobile diverter (5), for the separate management of each of said cut sections of wires or bars (1, 2), and—at least two pairs of output channels (A1, A2, B1, B2) for conveying the cut segments of wires or bars (1, 2).

Abstract: The descaling device (100) of the interior of a tube (1) comprises a supporting structure (9), a conveyor (2) for conveying the tube (1) with an inclinable stretch to arrange the tube in an inclined position by an angle with respect to the horizontal plane, a lance (3) with nozzles (4) to spray a fluid inside the tube (1) to carry out the operation of descaling the inner surface. The lance (3) is fixed to guides (7) above the conveyor (2) in an inclined position with respect to the horizontal plane, and may axially slide within the tube (1) during the descaling operation by spraying water into the tube.

Abstract: An apparatus (1) for cooling a bar (10) comprising: —an outer casing (3), —a passageway (2) defining a crossing direction (X) for the bar (10), —at least one drum (4) comprising a plurality of cooling lines (6) each having at least one respective through cavity (9) parallel to the crossing direction (X) and a respective cover (15) which can move between an open position and a closed position, the drum (4) being accommodated in the casing (3) and rotational about a rotation axis (Y) to move the cooling lines (6) between an operating position (11), in which the cavity (9) is aligned with the passageway (2), and at least one resting position (12), in which the cavity (9) is separated from the passageway (2), the casing (3) being shaped so as to touch and hold the respective cover (15) in the closed position when the cooling line (6) is in the resting position (12).

Abstract: An apparatus for forming a bundle (11) of rolled bars, comprising bar conveying means (4), an inclined plane device (1) for forming a layer of bars and bar accumulation means (5), wherein the inclined plane device (1) comprises a plurality of support elements (2), arranged parallel to each another and defining a first plane inclined by an angle (a) with respect to a horizontal direction, and adapted to receive a predetermined number of bars defining the layer of bars on said first plane from said bar conveying means (4), handling means (60) for translating the inclined plane device (1) from a first maximum advancement position distal from the conveyor means (4) to a second maximum retraction position proximal to the conveyor means (4) to unload the layer of bars onto the accumulation means (5), at a speed such to prevent the bars resting on said supporting elements from being dragged.

Abstract: A device (1) for forming rolled bar (3) bundles which allows to obtain perfectly tidy and super compact bundles, in which the bars (3) are perfectly aligned with one another without twisting, tangling or overlapping, both inside and outside the bundle, conferring an excellent shape and regular appearance to the same. A process for forming rolled bar bundles by using the aforesaid device is also described.

Abstract: An apparatus (1) for cooling a bar (10) comprising:—an outer casing (3),—a passageway (2) defining a crossing direction (X) for the bar (10),—at least one drum (4) comprising a plurality of cooling lines (6) each having at least one respective through cavity (9) parallel to the crossing direction (X) and a respective cover (15) which can move between an open position and a closed position, the drum (4) being accommodated in the casing (3) and rotational about a rotation axis (Y) to move the cooling lines (6) between an operating position (11), in which the cavity (9) is aligned with the passageway (2), and at least one resting position (12), in which the cavity (9) is separated from the passageway (2), the casing (3) being shaped so as to touch and hold the respective cover (15) in the closed position when the cooling line (6) is in the resting position (12).

Abstract: An apparatus for forming a bundle (11) of rolled bars, comprising bar conveying means (4), an inclined plane device (1) for forming a layer of bars and bar accumulation means (5), wherein the inclined plane device (1) comprises a plurality of support elements (2), arranged parallel to each another and defining a first plane inclined by an angle (a) with respect to a horizontal direction, and adapted to receive a predetermined number of bars defining the layer of bars on said first plane from said bar conveying means (4), handling means (60) for translating the inclined plane device (1) from a first maximum advancement position distal from the conveyor means (4) to a second maximum retraction position proximal to the conveyor means (4) to unload the layer of bars onto the accumulation means (5), at a speed such to prevent the bars resting on said supporting elements from being dragged.

Abstract: Compact plant for making steel bars and profiles with which, starting from the scrap, it is possible to obtain the finished product, for example bars with commercial length from 6 to 18 meters, pre-packed, packaged and ready for sale, with all the stations placed in line and operating continuously. All the stations are arranged in reduced spaces, thereby reducing both investment costs and plant management costs, and decreasing production times. Advantageously, the plant of the invention incorporates an extremely compact bar packaging apparatus which, through an innovative arrangement and innovative operating method of the components thereof, allows a further reduction in length.

Abstract: A device (1) for forming rolled bar (3) bundles which allows to obtain perfectly tidy and super compact bundles, in which the bars (3) are perfectly aligned with one another without twisting, tangling or overlapping, both inside and outside the bundle, conferring an excellent shape and regular appearance to the same. A process for forming rolled bar bundles by using the aforesaid device is also described.

Abstract: Coiling device (“R”) and relative method for a windable long, metal product (10). The device (“R”) comprises a mandrel (12) having a substantially circular transverse section and rotating around a horizontal, vertical or inclined axis, a containing element (13) to contain the metal product (10) arranged in correspondence with the mandrel (12) and substantially orthogonal to the axis, and at least a guide and containing device (15, 16) able to be driven between a first working position wherein it cooperates with the mandrel (12), and a second inactive position wherein it is arranged distant from the mandrel (12). The containing element (13) comprises an annular channel (14) made in proximity with an outer surface of the mandrel (12).