A steel bar transverse stepping conveying equipment is provided, including a base, and a front movable clamp area and a rear fixed clamp area arranged on the base. The front movable clamp area and the rear fixed clamp area are connected by a rear fixed clamp area connecting guiderail mechanism for relative translation. A method for controlling the steel bar transverse stepping conveying equipment is further provided. The steel bar transverse stepping conveying equipment is provided with a plurality of clamp mechanisms. A front-movable-clamp-area clamp clamps the steel bar and shifts the steel bar to a next position step by step; then the steel bar is clamped by a rear fixed clamp area clamp, and the front-movable-clamp-area clamp is released and returned to an original position; and the previous action is repeated until the stepping conveying of the steel bar is completed.

The present invention relates to machines, systems and processes for feeding longitudinal wires (2) for mesh (6) production. Welding of longitudinal wires (2) with transverse wires (4) at welding unit (57) produces mesh (6). Longitudinal wires (2) are controllably rotated around their longitudinal axes to selected angles, and restrained until their welding with transverse wires (4), thus negating effects of residual curvature from roller straightener (36) and resulting in mesh (6) produced planar with distortion stresses effectively neutralized. A wire collector (79) releases a first longitudinal wire (2) for guided travel laterally to a receptacle (45). A rotator unit (71) simultaneously controllably rotates this wire, while the collector (79) simultaneously receives the length of the next longitudinal wire. Particular rotator units (71) facilitate such operation. In some versions an advancement roller assembly (120) proximate to the welding unit (57) may advance longitudinal wires (2) through the welding unit, freeing a longitudinal wires carrier (31) to return to the longitudinal storage (32) and to receive a next set of longitudinal wires.

Method and device (10) to manage a coiler apparatus (11) associated with a distributor (15), in which there is at least an exit of the feeder (21) of hot or cold semi-worked metal products, and with a reel (16), both being respectively moved with suitable controlled movement and rotation means, able to manage the coiling obtaining coils with desired characteristics.

The invention relates to a device for processing optical fibers, comprising: a pair of pulleys (1, 2) arranged to receive in a space between them a first optical fiber element (4), and a drive mechanism. In order to obtain a device capable of efficiently and reliably processing optical fibers the first pulley (1) in the pair of pulleys comprises a circumferential first groove (5) in a circumferential contact surface (6) for receiving the first optical fiber element (4), the first groove (5) being shaped to accommodate the first optical fiber element (4) such that less than half of the cross sectional surface area of the first optical fiber element (4) protrudes out of the first groove (5), and a second pulley (2) in the pair of pulleys comprises a circumferential contact surface (7) contacting a surface of the first optical fiber element (4).

The coil spring manufacturing device includes a first continuous material mounting portion, a second continuous material mounting portion, a straightener, a cutter, a short material mounting portion, and a coiling machine. The material reeled out from a first continuous material or a second continuous material is cut by the cutter. The coil spring manufacturing device can switch a process among a first continuous material coiling process of manufacturing a coil spring by using the first continuous material, a second continuous material coiling process of manufacturing a coil spring by using the second continuous material, and a short material coiling process of manufacturing a coil spring by using the short material.

Rebar, also referred to as reinforcing bar, is typically used to reinforce concrete to improve the tensile strength of elements made of concrete when constructing buildings, factories, bridges, nuclear power plants and other structures. There is a method of constructing an array (711) of rebars, the method comprising: automatically positioning a plurality of rebar such that they are spaced apart from one another to form an array (711); using an array interval spacing means (709) to maintain the spatial relationship of the rebar in the array; releasing the array from the array interval spacing means such that the array is placed in a target location and orientation for casting into concrete; and removing the array interval spacing means.

Drawing unit for drawing at least one long metal product (P), configured to make the at least one long metal product (P) advance along a nominal axis of feed (A) and provided with at least a first motorized roll (13) and with at least two second rolls (14) operating at the periphery of the first roll (13) and defining, with the latter, respective passage gaps (15). The at least two second rolls (14) are located one on one side and the other on the other side of the axis (N) orthogonal to the nominal axis of feed (A) that passes through the center of rotation of the first roll (13). The second rolls (14) are associated to movement members (21) to move the second rolls (14) in a parallel form with respect to each other and in a direction substantially orthogonal to said nominal axis of feed (A) in order to adjust the passage gaps (15). The passage gaps (15) have, during use, along the straight line (R) that joins the center of the first roll (13) with the center of the respective second roll (14), an amplitude (G) that is bigger in size than the nominal diameter (D) of the metal product (P).

A drawing and/or straightening unit for feeding one or more oblong metal products to a machine for working the metal products is included that has a first roller on which at least one metal product being fed is positioned longitudinally. Also included is a second contrasting roller, opposite the first roller. This keeps the metal product correctly positioned during feed. The drawing and/or straightening unit has actuators operationally associated with the second roller to initially move and position the second roller with respect to the first roller and to vary the distance between the rollers. The actuators have actuators for initial movement of the second roller to the first roller, and for selective and controlled movement of the second roller.

Systems and processes for feeding longitudinal wires in a mesh 3 production machine. Mesh 3 is produced by the welding of longitudinal wires 2 with transverse wires 6 at a welding unit 27. The longitudinal wires may be pulled from decoiler reel 40, straightened, and then deposited in longitudinals storage 19. They are then received by a longitudinals carrier 15 and transported towards welding unit 27. The longitudinal wires 2 are selectively rotated around their longitudinal axes with selected angle, and restrained until their welding with the transverse wires. This negates effects of any possible curvature acquired during their straightening with rollers 9, so that after their welding, the resulting mesh 3 is produced planar with the distortion stresses neutralized.

A method of feeding an elongate workpiece to a forming machine includes: providing first and second feed units, wherein each of the feed units has a receiving device that receives a workpiece stock in a coil, and a straightening device downstream of the receiving device that straightens the workpiece before it enters the forming machine, wherein the first and second feed units are arranged on a common platform movable between first and second working positions, wherein, in the first working position of the platform, the first feed unit is arranged in a working position suitable for transferring workpiece portions to the forming machine, and the second feed unit is arranged in a setting-up position, and, in the second working position of the platform, the second feed unit is arranged in the working position and the first feed unit in a setting-up position.