Abstract:
A method and apparatus is disclosed for temporarily interrupting the passage of a long product between upstream and downstream paths in a rolling mill. Product passing along the upstream path is delivered onto a cylindrical drum. The drum is rotated in one direction to accumulate the product thereon in a series of windings. The direction of drum rotation is then reversed to unwind and deliver the accumulated product to the downstream path.
Abstract:
A spring-forming control system and its control method for a spring forming machine in which the spring-forming control system uses a host computer to provide graphical spring parameter setting, program modification, and dragline-method program modification graphical interfaces that are selectively switchable on a display monitor. After setting of spring processing parameters through the spring parameter setting interface, a trial production is done subject to a spring parameter auto-generation software built in the spring-forming control system, and then the production is started if the trial meets the requirements, or the spring processing parameters are modified through the spring parameter setting interface, program modification interface, or dragline-method program modification interface if the trial does not meet the requirements, and then a further trial production is performed till the shaped spring meets the requirements. A spring preview is available during running of the spring-forming control system. The graphic interface operation has the advantages of convenience, rapidness, and accuracy.
Abstract:
A method for manufacturing a coiler drum to be used in a coiler furnace and a coiler drum. The method comprises the step of forming a trinickel aluminide containing surface layer onto a coiler drum body.
Abstract:
The method and unit for braking a metal strip (1), running off a wind-out coiler (2.1) in the form of a coil (1.1) and running onto a wind-on coiler (2.2) again, are to guarantee that a surface of the metal strip remains undamaged and a full effective braking force is exerted on the metal strip (1) by means of an eddy current brake (3.1) with a rotating magnet system (3.2). The above is achieved, whereby the braking force is exerted on the metal strip (1) by means of an induced counter-torque against a support bearing (4) to one side in a non-contact manner, whereby the support bearing (4) may be embodied as a counter roller (4.1).
Abstract:
A tool to manipulate wrought iron has a face and at least one side wall, the face being provided with a raised portion, the outer periphery of the raised portion providing a bending surface for wrought iron, the raised portion further containing a recess adapted to trap an end of the wrought iron, the side wall being provided with a recess adapted to accommodate a portion of the wrought iron.
Abstract:
Coiling device (10) and relative coiling method for rolled or drawn long products, comprising a mandrel (11), arranged cantilevered and rotatable with respect to a central longitudinal axis (X), and on which the long products are wound in adjacent and superimposed spirals (33), in order to form a compact coil (31) having the geometric shape of a circular ring with lateral flanks substantially orthogonal, or very angled, with respect to the central longitudinal axis (X). The mandrel (11) comprises a flange (12) substantially orthogonal, or very angled, with respect to the central longitudinal axis (X) which defines a first lateral flank of the coil (31). The mandrel (11) also comprises first arm elements (13) which define the cylindrical surface of the core that forms the coil (31), and second arm elements (14), opposite the flange (12), which define a second flank of the coil. The first and the second arm elements (13,14) are mobile between a first coil-forming position and a second coil-removal position.
Abstract:
Steel strip issues continuously from a downstream end of a rolling line and can be wound up there on a coiler. An inspection table downstream of the rolling line has a surface aligned with the downstream end and the strip emerging therefrom. The coiler is below a plane of the table surface. During normal rolling the strip is deflected downward to the coiler and reeled up. For inspection of the strip, the strip is cut transversely to produce a new leading end and is fed starting at this end toward the table without substantial deflection. Then the strip is cut again upstream of the new leading end to form a strip sample separate from the strip emerging from the rolling line, which sample is fed to the table and arrested and inspected while strip emerging from the line is deflected back down to the coiler to continue coiling it up.
Abstract:
A device for coiling thin metal strip, especially hot-rolled or cold-rolled thin steel strip, includes a drivable coiler mandrel which can be adjusted in diameter by expandable segments and can be adjusted to a coil inside diameter and to a diameter for detaching the finished coil. The device further includes an expansion adapter which can be inserted into the open eye of the coil and is mounted on a holder with a guide.
Abstract:
A method for coiling thin metal strip on a coiler mandrel, which is adjusted in diameter, in which, at the beginning, the inner windings of the coil are coiled on the adjusted coiler mandrel diameter, and, after the final winding of the coil, the coiler mandrel is pulled out, or the coil is taken off. One or more profile grooves are pressed into one inner winding or into several adjacent inner windings on the circumference during rotation of the coil.
Abstract:
A method and apparatus is disclosed for temporarily interrupting the passage of a long product between upstream and downstream paths in a rolling mill. Product passing along the upstream path is delivered onto a cylindrical drum. The drum is rotated in one direction to accumulate the product thereon in a series of windings. The direction of drum rotation is then reversed to unwind and deliver the accumulated product to the downstream path.