Bwg Bergwerk-Und Walzwerk-Maschinenbau Gmbh

Keramchemie Gmbh

Bgw Bergwerk-Und Wlazwerk-Maschinenbau Gmbh

Blug Bergwerk Und Walzwerk Gmbh

Wg Bergwerk- Und Walzwerk-Maschinenbau Gmbh

Rolf Noe

Andreas Noe

Oskar Felix Noe

Dieter Baukloh

Herbert Lux

Heinz Wilhelm Berger

Stefan Sonntag

Ralf Waldmann

Willi Dotsch

Bodo Block

Hermann Koppers

Ertan Yildirimman

Jorg Neumann

Frank Barhold

Oskar No/e/

A method of measuring planarity of strip in a strip-rolling line or a strip-processing line in which a measuring beam, a plurality of measuring beams or discrete measuring pins in an inclined pattern across a measuring roller, measures the tension forces acting upon the strip to form a force summation foundation across the strip width. A tension distribution function is derived from the force summation function by taking derivatives of the force-summation function with respect to the width dimension of the strip and, if desired, dividing that derivative by the thickness of the strip.

Method of and apparatus for measuring planarity of strip, especially metal strip

A strip treatment line in which downstream of the processing roll stand for stainless steel strip, first and second tension rolls are provided to directly form a prestretching zone A for elastic or elastoplastic stretching of the strip following the dressing mill stand and for providing an afterstretching zone with elastoplastic or plastic stretching of the strip.

Strip treating line for leveling metal strip

A trimming apparatus for metal strip has trimming heads on opposite sides of a turntable along each edge of the strip so that the trimming heads can be rotated into the trimming position or into the maintenance and blade-replacement positions. On each of the turntables as well a scrap-strip cutter is associated with the respective trimming head and the scrap-strip cutters are disposed diagonally opposite one another across the turntable and each trimming head and its scrap-strip cutter on one side of the turntable is connected to a clutch half on the opposite side of that turntable so that the scrap-strip cutter and the trimmer are driven by a common drive.

Trimmer for strip and scrap cutter

A method and apparatus for the contactless determination of planarity and a ferromagnetic metal strip during transit of the strip through a strip-processing line or cold-rolling line. Hysteresis loops repetitively impressed in the metal strip and the tangential magnetic field strength is measured at a surface thereof and electromagnetic parameters are determined from the time course of the tangential field strength signal. The parameters are functions of the mechanical stress which is evaluated to determine residual intrinsic stress distribution and then the planarity or nonplanarity of the strip.

Method of and apparatus for contactless planarity measurements on ferromagnetic metal strip

The planarity of a strip, especially metal strip is measured in a measurement zone in which the tension of the strip has been reduced in a targeted way by braking the strip. The braking force should be practically equal to the strip tension.

Method of and apparatus for measuring planarity of metal strip

A method of descaling rolled or cast metal strip, especially stainless steel or titanium-alloy steel strip in which the initial descaling is effected in a stretch-bend leveler and the annealing furnace directly follows the stretch-bend leveler and is directly followed by a pickling station so that any shot blast or brush descaler upstream of the annealing furnace is not required.

Method of and apparatus for producing rolled or cast metal strip with

A strip line or line for processing nonferrous metal sheets and plates has linear motor stators provided for contactless adjustment of the tension or stress distribution in response to planarity and profile measurements.

Method of regulating the stress distribution in metal strips or sheet,

The stretch leveling or stretch-bend leveling of aluminum or stainless steel strip of a thickness of 0.1 to 0.5 mm is carried out following a measurement of strip nonplanarity or strip profile by regulating the stretch in the stretch leveler or the contour of a roller thereof or both and/or by regulating the depth of penetration or degree of bending by the stretch-bend rollers. The tension in the strip just before coiling is varied in response to measurement of the thickness of the strip across the width, thereby optimizing the leveling and surface qualities of the strip.

Method for continuously leveling strip by measuring nonplanarity of the

Method for continuously leveling thin metal

A method of producing a cold-rolled strip from a stainless, ferretic or austenitic high-grade steel or a titanium alloy, wherein the strip which has been wound into a coil and has been manufactured by a hot-rolling or casting process is subjected in one pass to the steps of unwinding the coil, mechanically descaling the strip if required, subsequently chemically and/or electrochemically first or black pickling of the strip, then cold-rolling the strip to finished dimensions, degreasing the strip as required, annealing the strip, finish-pickling the strip and, if necessary, passivating, dressing and stretcher-leveling the strip. The pickling step is carried out in a pickling solution which contains hydrochloric acid, sulfuric acid and/or nitric acid.

Method of producing a cold-rolled strip in one pass

Apparatus for continuously leveling thin metal strip

Downstream of an uncoiler, a stretch-bend leveler is provided in a strip line to correct curvature in the strip plane. One or more rollers of the stretch-bend leveler are swingable about a horizontal or vertical axis at the end of the roller in response to a measurement of the longitudinal edge arcs of the strip to effect correction.

Method of and apparatus for correcting curvature of rolled metal strip

Method and apparatus for producing large-area metal, especially steel, plates. The metal strip unwound from a coil is continuously treated by a heat treatment followed by stretch-bend leveling and then stretcher-leveling, the latter being discontinuously carried out by clamping the strip at two locations and urging those locations apart. Only subsequently is the strip cut to form the plates.

Method of and apparatus for producing large metal plates

A method and process line for producing cold-rolled stainless-steel or titanium-alloy strip from hot-rolled strip descales the hot-rolled strip by shot-blasting and/or brush-polishing and then cold-rolls the descaled strip. The cold-rolled strip, at its final thickness, is annealed and then pickled, all in a single continuous line.

Method of and process for cold-rolling of stainless-steel and

The cross bowing in metal strip, especially thin metal strip of a thickness less than 2 mm, is removed by providing downstream of the high tensioned section of the strip at which stretch leveling or stretch bend leveling is effected at least one correcting roller which has an adjustable depth of penetration into the path of the strip at a low tension section, the depth of penetration being controlled by measuring the cross bowing also in the low tension section.

Growing community of inventors

Mulheim, Germany

Rolf Noe