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JP3358200B2 |
PURPOSE: To make a reduction length variable by making a feed speed of stock per one cycle variable. CONSTITUTION: The left/right dies 6 are arranged facing on both sides of the press line L and execute approaching/departing motion. The ...
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JP3355005B2 |
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JP3354808B2 |
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JP3354810B2 |
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JP2002346623A |
To provide a continuous hot rolling line wherein a sheet bar can be conveyed to a finish rolling mill at a temperature always suitable for finish hot rolling. A sheet bar joining unit (80) is located at the line entrance side of the fini...
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JP2002346611A |
To provide a continuous rolling method for metallic materials which makes it possible to perform a constant continuous rolling and produce a product having an excellent quality in a joint portion. When a rear end of the preceding workpie...
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JP2002346624A |
To provide a continuous hot rolling line wherein a sheet bar can be conveyed to a finish rolling mill at a temperature always suitable for finish hot rolling. A sheet bar joining unit (80) is located at the line entrance side of the fini...
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JP2002336903A |
To provide a method for controlling a rolling mill 8 for working a bar, which has an outlet and a cooling bed 20 and with which the bar having a prescribed length at room temperature is produced.This method includes the calculation of a ...
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JP3350443B2 |
To provide a control method for the induction heating of the strip edge, by which an unannealed area caused by the interruption of the induction heating, can be sufficiently heated at a time restarting a line, and an unannealed part in t...
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JP3350395B2 |
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JP3350132B2 |
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JP3348826B2 |
To enhance the accuracy and rapidity of changing of batch rolling in the case endless rolling is not executable and to attain the target designed size of products by previously setting both conditions of the endless rolling (continuous f...
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JP3346258B2 |
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JP3345284B2 |
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JP3345868B2 |
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JP3345369B2 |
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JP3340696B2 |
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JP3340801B2 |
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JP3340321B2 |
To improve the yield of products and to reduce miss roll by mechanically removing surface oxidized scale in the rear end part of a preceding bar stock and tip part of the succeeding bar stock, and immediately, overlapping both to cause p...
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JP3341658B2 |
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JP2002536181A |
The installation includes an in-line arrangement of a metal pickler, a reeling arrangement installed on the coiling side of the metal pickler, and a cold-rolling mill. The method includes ones of the following alternative sequences of wo...
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JP3339207B2 |
PURPOSE: To prevent lapping marks at the time of taking up by forming the longitudinal end of a metallic strip to an end shape of plural triangular shapes, etc., in a transverse direction in such a manner that the thickness converges tow...
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JP3339819B2 |
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JP3339818B2 |
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JP2002307229A |
To provide a method and a device for shaping a steel surface that can cut a steel surface part and steel corner parts without using a forming tool when cutting burrs formed on the surface of a steel joint part, using a cutting tool to sh...
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JP3337283B2 |
The present invention relates to a position control system for flying upsetting presses in which the feeding drives are connected into closed hydraulic circuits and are driven by positive displacement pumps. To increase the dynamic respo...
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JP3334784B2 |
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JP2002301552A |
To produce a metallic bar or a metallic wire rod having smaller cross sectional surface than 5.5 mm diameter and quantitatively obtaining the same production with lower rolling speed in comparison with the conventional method by using a ...
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JP2002292409A |
To accurately and quickly perform positioning and also to improve productivity in a setting method of a cutting position in a shape steel cutting apparatus.In a shape steel cutting method, rotation of a roller 2 is decelerated so that th...
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JP2002292408A |
To provide a removing method and an apparatus for the joined protruding portion of hot-rolled blooms capable of attaining a targeted crown of products by surely preventing a joined portion from breaking during finish rolling.The removing...
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JP2002292410A |
To provide a removing method for the joined protruding portion of hot-rolled blooms capable of securely preventing breakage of a joined portion during finish rolling by making the joined portion of a plate in an uniform thickness in a wi...
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JP2002292495A |
To provide a cutting device for a hot billet capable of drastically improving the life of a blade to a large extent as well as reducing cutting loss of a grinding stone at the time of re-cutting.The cutting device 5 for the hot billet ha...
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JP2002292401A |
To manufacture a metallic bar material or a metallic wire material having a cross sectional area of 5.5 mm or smaller diameter likewise by means of the hot rolling means in the quantatively same condition but in a lower rolling speed.Spe...
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JP3331508B2 |
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JP3331041B2 |
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JP2002282914A |
To save labor for inspection, estimating location of remaining defects in the periphery of a rolled steel plate.By installing a plane shape meter above a heavy steel plate after rolling, based on the plane shape of the heavy steel plate ...
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JP3330027B2 |
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JP3330292B2 |
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JP2002273502A |
To provide a finish rolling method in which, after a sheet bar is rough-rolled in a hot rolling line, the sheet bar is made to wait on a conveying line till its temperature becomes finish rolling temperature, and then finish rolling is p...
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JP3328515B2 |
To prevent or suppress spatters and molten iron from sticking to transfer rolls at the time of joining, and to prevent or suppress the occurrence of the push-in flaws of a material to be rolled in the joining method using joining truck a...
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JP3327805B2 |
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JP3327842B2 |
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JP3327806B2 |
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JP3328503B2 |
To improve the passing property of a plate, and to improve the accuracy of thickness of a product by unifying the temperature of a rear end of a preceding stock and the temperature of a forward end part of a succeeding before butt weldin...
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JP3327825B2 |
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JP3327804B2 |
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JP2002263953A |
To provide a device for deburring the junction of a rolled material in continuous rolling of a metallic material, allowing deburring of the junction of the round bar-like rolled material.A plurality of cutting tool pairs are installed in...
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JP3324692B2 |
To improve the stability of coiling by a coiler by specifying a pressurizing force of a pinch roll holding a metal strip to cut it. In a hot rolling equipment, a joining device 1, a finishing mill 2, a hot run table 7, a shear 3 cutting ...
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JP2002263705A |
To propose a method and equipment for continuously rolling a metallic material, in which stable continuous rolling is realized and the manufacture of products having an excellent quality in a joined part can be attained.After a metallic ...
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JP2002263723A |
To provide a roller table for continuously rolling, that performs continuous joining without hindrance when a wire-shaped material, a bar-shaped material or the like is continuously rolled.This roller table is constituted of a retreating...
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