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JP4831863B2 |
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JP4813014B2 |
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JP4797887B2 |
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JP4784320B2 |
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JP4745495B2 |
Process for the surface treatment of a continuously cast steel product comprises cooling a part of a surface of the metallic product to a defined temperature reduction of the surface. An Independent claim is also included for an apparatu...
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JP4734228B2 |
The aim of the invention is to create an inspection system (1) for rolled products (2) of a milling station, which is to reliably prevent the texture of the substrate from being impressed and/or pressing through during processing of the ...
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JP4716424B2 |
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JP4712149B2 |
In a hot strip rolling process, the strip (5) is subjected to thickness reduction between the end of a cooling line (2) and a coiler (4). An Independent claim is also included for a hot strip mill for carrying out the above process, incl...
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JP4709628B2 |
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JP4701742B2 |
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JP4697605B2 |
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JP4664549B2 |
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JP4666273B1 |
A method for measuring a flatness of a sheet material according to the present invention comprises: projecting a bright and dark pattern P made up of bright parts and dark parts onto a surface of a sheet material S travelling in a length...
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JP4660049B2 |
The invention relates to a hot rolling mill, with at least one flatness measuring roller, pertaining to at least one rolling bed, arranged before and/or after one of the stands, which influences the settings of at least one of the stands...
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JP4660464B2 |
The aim of the invention is to create an inspection system ( 1 ) for rolled products ( 2 ) of a milling station, which allows an examiner to examine both sides of the rolled products ( 2 ) at an ergonomically convenient height. Said aim ...
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JP4623738B2 |
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JP4586248B2 |
When working a linear guide rail having one or more raceway grooves 2 on the side surfaces thereof, using rotary dies each including on the circumferential portion thereof a projection-shaped working portion matched in shape to the racew...
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JP2010243248A |
To detect a concrete shape such as an edge wave shape when the shape of a strip under transfer is detected. In the strip shape detection device, a laser range finder 1 which can scan the strip in its width direction and can measure the d...
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JP4568156B2 |
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JP4536998B2 |
The invention relates to a method for marking material defects in/on bar-shaped rolled material after it has left the finishing rolling mill. According to this method, the defective points are detected during the rolling process by ultra...
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JP4504874B2 |
A shape detection device capable of detecting meandering of a strip with high accuracy and a method thereof. The device includes a plurality of split rolls provided in a width direction of a rolling material; a table which guides the rol...
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JP4488154B2 |
A web tension measurement device includes a roller for a web of material, the movable roller having an axis of rotation moveable in a first direction by the web; a counteracting device connected to the movable roller, the counteracting d...
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JP4460493B2 |
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JP4447600B2 |
A method for measuring and displaying the flatness of a rolled steel sheet is disclosed that includes the steps of measuring tension in the sheet at a plurality of locations on the surface of the sheet and determining a plurality of tens...
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JP4390917B2 |
The hardness of the product is measured shortly before its formation, and the result is used for correction of its hardening curve and the presetting of the cold-forming installation.
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JP4377010B2 |
Position transmitter comprises a telescopic housing whose lower part holding the displacement transducer (10) is joined to a hydraulic cylinder (4) and whose upper part holding a measuring stick assigned to the transducer is connected to...
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JP4318035B2 |
A pinch roll unit (24,26) for either propelling or retarding a product moving along the pass line (PL) of a rolling mill comprises a pair of levers (30a,30b) mounted for rotation about parallel first axes (A1). Roll shafts (32a,32b) are ...
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JP4300518B2 |
While a reference means having a positional relationship to the pass-line of a continuance mill determined in advance and caliber profile (area enclosed by the groove profile of a rolling roll) formed by a rolling roll at each stand are ...
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JP4296478B2 |
A shape detecting apparatus (10) for controlling the tension of a rolled plate (1), is composed of a pair of fixing members (12), a supporting frame (14) and a plurality of shape detecting units (20). The shape detecting unit (20) is fix...
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JP4276318B2 |
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JP4269394B2 |
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JP4262142B2 |
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JP4256558B2 |
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JP4236518B2 |
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JP4232779B2 |
A complex Fourier transform is performed on measured values of wall thickness at a plurality of points in a cross section of a pipe in an axial direction, the types of thickness deviation is classified, a thickness deviation amount is ca...
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JP4230003B2 |
The planarity measurement roll is designed as a loop lifter which can be placed against a rolled strip, and has parallel measurement zones arranged side by side in the direction of the strip width. It consists of several rolls (9) which ...
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JP4214150B2 |
The invention provides a rolling method for a flat-rolled metal material and a rolling apparatus for the method each capable of stably producing a flat-rolled metal material free from camber or having an extremely light camber. The metho...
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JP4167976B2 |
The invention relates to a method and device for measuring and influencing the strip flatness in the coiler shaft of a hot-strip mill, whereby the coiler shaft has, between a driver and a coiler, moving and stationary strip guides as wel...
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JP4160943B2 |
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JP4150276B2 |
This invention provides a rolling method and a rolling apparatus, for flat-rolled metal materials capable of stably producing flat-rolled metal materials not having, or having extremely little, camber. A rolling method for a flat-rolled ...
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JP4116824B2 |
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JP4091910B2 |
The present invention provides a method and equipment for producing a rail, the method and equipment being capable of lowering a bend at an end of a rail effectively and the truncation amount thereof. The present invention is a method fo...
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JP4057666B2 |
Compensation method is one in which the pressure in two adjustment cylinders for the determination of the rolling forces on one side of the roller gap, and the indicated forces of the force measuring devices to determine the rolling forc...
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JP4053983B2 |
The invention relates to a device for detecting the stress distribution of metal strips stressed by tension of the strip, comprising a measuring roller (10-50), comprising at least one receptacle (2) formed in the measuring roller (10-50...
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JP4053984B2 |
The invention relates to a device for detecting the stress distribution of metal strips stressed by tension of the strip, comprising a measuring roller (10-50), comprising at least one receptacle (2) formed in the measuring roller (10-50...
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JP4039546B2 |
Laser-ultrasound technique is used to scan a segment of the pipe wall in circumference direction, during or after the rolling process. Mathematical analysis and symmetry observations are used in a computer to reconstruct the wall of the ...
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JP4041310B2 |
A device for nondestructive testing of especially hot, bar-shaped rolling material above Curie point during the rolling process by means of an exploring coil system which can be impinged upon by a coolant and which rotates around the rol...
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JP4039403B2 |
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JP4017599B2 |
The present invention relates to a method and an apparatus for detecting a roll eccentricity element of a rolling mill, which is occurred by the difference between a rotation center and a geometric center of a roll. The present method fo...
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JP4003463B2 |
A method of producing a seamless steel tube to enable it to suppress not only the deviations in wall thickness occurring in the direction of reduction in a mandrel mill but also the derivations in thickness occurring at places deviating ...
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