-
公开(公告)号：US12042835B2
公开(公告)日：2024-07-23
申请号：US17427671
申请日：2020-01-15
Applicant: TMEIC Corporation
Inventor： Minoru Tachibana
Abstract: A rolling controller executes speed and tension control, and roll gap and plate thickness control when rolling speed is less than a boundary value, while executing roll gap and plate tension control, and speed and plate thickness control when the rolling speed is equal to or greater than the boundary value. If the rolling speed rises across the boundary value, the rolling controller sets the rolling speed to zero such that a speed correction amount in the speed and tension control before the transboundary is not reflected to a calculation executed in the speed control amount of the rolling speed after the transboundary.
-
公开(公告)号：US11858022B2
公开(公告)日：2024-01-02
申请号：US17224361
申请日：2021-04-07
Applicant: NOVELIS INC.
Inventor： Matthew J. Fairlie , Timothy F. Stanistreet , Carlos Eboli , Hansjuerg Alder , Luiz Murad
CPC classification number: B21B37/74 , B21B1/22 , B21B37/16 , B21B37/28 , B21B38/02 , B21B38/04 , B21B38/10 , B21B38/12
Abstract: A rolling mill control system and method includes use of sensors located between rolling mill stands to directly measure metal sheet or plate flatness, thickness profile, position, and the camber of the rolls in the mill. A feedback loop control system adjusts or adapts rolling mill control mechanisms to control the rolling process.
-
3.发明授权公开(公告)号：US11745235B2
公开(公告)日：2023-09-05
申请号：US17270022
申请日：2019-08-15
Applicant: SMS group GmbH
Inventor： Alexander Gohr , Peter Thieven
Abstract: A stretch reducing rolling mill for rolling pipes has a plurality of roll stands arranged in series in a conveying direction of a pipe. A wall thickness measuring device determines a wall thickness progression of the pipe prior to rolling. A control unit controls respective rotational speeds of the roll stands. A pipe position measuring device is arranged in front of the roll stands and continuously measures a current longitudinal coordinate of the pipe. The measured values of the longitudinal coordinate of the pipe are transmitted to the control unit. The control unit controls the rotational speeds of the roll stands based on both the determined wall thickness progression and the transmitted measured values of the current longitudinal coordinate of the pipe, in order to compensate for wall thickness variations of the pipe. A stretch reducing rolling mill is designed to carry out the method.
-
公开(公告)号：US20220402008A1
公开(公告)日：2022-12-22
申请号：US17776892
申请日：2020-09-15
Applicant: Baoshan Iron & Steel Co., Ltd.
Inventor： Jiabo Li , Hongfeng Sun , Jianrong Chen , Jianmin Zhang
Abstract: The present invention discloses a control method of hot mill coiler side guides based on spark recognition, where the side guides are adjusted according to the width of sparks from the friction between the hot rolled strip (20) and the side guides (11). An industrial camera (9) is provided obliquely above the side guides (11), and a detection system implements a real-time analysis on the images taken by the industrial camera and determines the magnitude of sparks generated on either side of the side guides according to the spark width. For each unilateral side guide, it is adjusted according to the spark width MS corresponding to that side guide (11). For said unilateral side guide (11), the deviation of the single-side spark width ΔMS is obtained according to ΔMS=MS−Maim. The position adjustment magnitude ΔWS of the unilateral side guide (11) can be obtained according to formula (I). And the pressure adjustment magnitude ΔPS of the unilateral side guide (11) can be obtained according to formula (II). This method allows the hot rolled strip (20) always in the relative center of the steel coil, reduces the wear of the side guides (11), avoids various defects of the steel coil, and makes the steel coil in good shape.
-
公开(公告)号：US11495783B2
公开(公告)日：2022-11-08
申请号：US16467177
申请日：2018-06-27
Applicant: LG Chem, Ltd.
Inventor： Nam Won Kim , Pil Kyu Park , Han Gab Song , Duck Joong Yun , Dae Hyun Kim , An Soo Jeong
Abstract: A system for manufacturing an electrode for a secondary battery is disclosed herein. In an embodiment, the system for manufacturing the electrode for the secondary battery comprises a supply roller for supplying a collector having a long sheet shape; an electrode active material coating device for applying an electrode active material to a surface of the collector supplied by the supply roller to manufacture an unfinished electrode; a rolling roller for rolling a surface of the unfinished electrode and adjusting a thickness of the electrode active material to manufacture a finished electrode; and an electrode quality inspection device for inspecting quality of the electrode through a surface roughness value of the rolling roller, a surface roughness value of the surface of the electrode, and a rolling load value of the rolling roller.
-
Patent Agency Ranking
公开(公告)号：US10814366B2
公开(公告)日：2020-10-27
申请号：US15914841
申请日：2018-03-07
Applicant: Hyundai Steel Company
Inventor： Dong Iel Kim , Sang Ju Kim , Hyeong Jin Kim , Jeong An Seon , Ji Wung Jeong
Abstract: Disclosed is a coil width control method including: a step in which a control unit generates a prediction model for predicting the width shrinkage of a coil, which occurs in the heat-treatment process and post-treatment process of a cold-rolled steel sheet production process, on the basis of historical operating results; a step in which the control unit receives the input width of the coil entering the heat-treatment process; and a step in which the control unit predicts the output width of the coil after the post-treatment process on the basis of the received input width and the conditions of the cold-rolled steel sheet production process, and controls in-furnace temperature and in-furnace tension of the heat-treatment process and elongation of the post-treatment process.
-
公开(公告)号：US10357812B2
公开(公告)日：2019-07-23
申请号：US14703570
申请日：2015-05-04
Applicant: The Bradbury Company, Inc.
Inventor： Gregory S. Smith , Clarence B. Cox, III
Abstract: Methods and apparatus to monitor conditioning machines are disclosed herein. An example system includes a plurality of work rolls to process a continuous strip of material positioned between an entry and an exit of an apparatus. A sensor is positioned downstream from the exit of the apparatus. The sensor measures a first distance between an upper surface of the strip material and a predetermined reference. The sensor measures a second distance between the upper surface of the strip material and the predetermined reference. The first and second distances is measured at at least one of two different locations or two different instances in time as the strip material exits the apparatus. A controller compares the first distance and the second distance to detect material curvature or longbow in the strip material.
-
公开(公告)号：US20190039107A1
公开(公告)日：2019-02-07
申请号：US15665806
申请日：2017-08-01
Applicant: SMS group GmbH
Inventor： Jörn SIEGHART , Andreas GRAMER
Abstract: A method for controlling a roller line, preferably a cold roller line, which has one or more roller stands each with two working rollers, which form a roller gap, through which a roller band is transportable. One or both working rollers can shift relative to the other, so that the roller gap is adjustable. The method includes making available a reference speed, which is a parameter for controlling the roller line, measurement of speed of the roller band before the inlet into the roller gap, measurement of the thickness of the roller band before the inlet into the roller gap, and adjustment of the roller gap of one or more roller frames in the roller line on the basis of measured speed and thickness before the inlet into the roller gap as well as the reference speed.
-
公开(公告)号：US20180361446A1
公开(公告)日：2018-12-20
申请号：US16004979
申请日：2018-06-11
Applicant: BUTECH, INC.
Inventor： Nathaniel H. Gamble , Tony Latham , Jason Cuff , Edward S. Orzel
Abstract: A closed loop roller leveler assembly for measuring flatness of a strip, having a roller leveler, a flatness sensor, and at least one arm operatively connected to the flatness sensor to raise and lower the flatness sensor. The flatness sensor has a plurality of sensor rolls, at least one load cell, and at least one laser sensor which is mounted on a positioner which oscillates the laser sensors across a width of the strip.
-
公开(公告)号：US10124388B2
公开(公告)日：2018-11-13
申请号：US13521298
申请日：2011-01-07
Applicant: Karl-Heinz Köstermeier
Inventor： Karl-Heinz Köstermeier
Abstract: A device to process a blank (3) that includes at least one outer shaping tool (8) that may be radially positioned or radially displaced. An inner shaping tool (9) is mounted co-axially to the main machine axis (x) of the main spindle (1.1). The inner shaping tool (9) may be axially displaced and/or axially positioned with respect to the axial position of the outer shaping tools (8).
-
-
-
-
-
-
-
-
-
Search Results
347
records
(took 0.018 seconds)
