DYNAMIC PROPORTIONAL-INTEGRAL-DERIVATIVE (PID) METHOD FOR PLATE STRAIGHTENING BASED ON CHANGES IN YIELD STRENGTH

    公开(公告)号:US20240004352A1

    公开(公告)日:2024-01-04

    申请号:US18103121

    申请日:2023-01-30

    CPC classification number: G05B11/42 B21D1/02

    Abstract: The invention provides a dynamic proportional-integral-derivative (PID) method for plate straightening based on changes in yield strength. The method includes the steps of determining yield strength of a plate at an initial temperature; calculating a predicted straightening force of each straightening roll based on the yield strength; obtaining a measured straightening force of each straightening roll; determining yield strength errors Δσfront, Δσmiddle, and Δσrear using a numerical approximation method; determining parameters of a PID controller based on the yield strength errors Δσfront, Δσmiddle, and Δσrear; calculating a target reduction of a corresponding straightening roll based on the yield strength error Δσmiddle and the yield strength at the initial temperature; and adjusting a measured reduction of the current straightening roll using the PID controller with the parameters determined based on the target reduction.

    ROBOT FOR OIL TANK CLEANING
    34.
    发明申请

    公开(公告)号:US20220111426A1

    公开(公告)日:2022-04-14

    申请号:US17322943

    申请日:2021-05-18

    Abstract: A robot includes a truss assembly, a walking assembly, a power unit, and a rack including a guide pillar, a second link. The truss assembly is disposed on the top of the rack. The walking assembly is disposed in the rack and fixedly connected to the rack through a bearing. The power unit is disposed on the rear end of the rack. An oil tank is provided with a hole. The truss assembly is configured to place the robot into the oil tank through the hole. The walking assembly is configured to drive the robot to move along the axis of the oil tank and to prevent the robot from toppling in the oil tank. The power unit is configured to clean the inside of the oil tank. The walking assembly includes two active walking assemblies, a drive assembly, and a folding assembly.

    SYSTEM FOR FLATTENING STEEL PLATES
    35.
    发明申请

    公开(公告)号:US20210220888A1

    公开(公告)日:2021-07-22

    申请号:US17153929

    申请日:2021-01-21

    Abstract: A system for flattening steel plates includes crane, a first conveyor, a second conveyor, a first shape detector, a second shape detector, a first rangefinder, a second rangefinder, a first detection device, a second detection device, a first idler roller, a second idler roller, a flattening machine, a first robot, a second robot, a third robot, and a fourth robot. The flattening machine is connected to one end of the first conveyor and one end of the second conveyor. The first shape detector is disposed above a middle part of the first conveyor. The second shape detector is disposed above a middle part of the second conveyor. The first rangefinder is disposed at one end of the first conveyor. The first detection device is disposed between the first rangefinder and the flattening machine. The second rangefinder is disposed on one end of the flattening machine.

    METHOD FOR PREPARING METAL COMPOSITE PLATE STRIP BY ROLLING
    38.
    发明申请
    METHOD FOR PREPARING METAL COMPOSITE PLATE STRIP BY ROLLING 审中-公开
    通过轧制制备金属复合板条的方法

    公开(公告)号:US20160271674A1

    公开(公告)日:2016-09-22

    申请号:US15167423

    申请日:2016-05-27

    Abstract: A method for preparing a metal composite plate/strip by rolling, comprises the following steps: 1) respectively rolling the composite surfaces of a base plate and a cladding plate to obtain the base plate corrugation and the cladding plate corrugation for mating with each other; 2) cleaning the composite surfaces of the base plate and the cladding plate to expose the metal matrixes; 3) sequentially laminating the base plate and the cladding plate so that the base plate corrugation on the base plate and cladding plate corrugation on the cladding plate mate with each other, compacting, and performing welding sealing treatment to obtain a composite plate slab; 4) rolling the qualified composite plate after inspection by using a compositing machine to a desirable thickness, to obtain a composite plate/strip.

    Abstract translation: 一种通过轧制制备金属复合板/带的方法,包括以下步骤:1)分别轧制基板和包层板的复合表面,以获得基板波纹和包层板波纹用于彼此配合; 2)清理基板和包层板的复合表面以暴露金属基体; 3)依次层压基板和包层板,使基板上的基板波纹和包层板上的包层板波纹相互配合,压实,进行焊接密封处理,得到复合板坯; 4)通过使用合成机进行检查后将合格的复合板轧制成合适的厚度,得到复合板/条。

    AUXILIARY SUPPORT DEVICE FOR ROLLING-CUT SHEAR

    公开(公告)号:US20250073791A1

    公开(公告)日:2025-03-06

    申请号:US18585023

    申请日:2024-02-22

    Abstract: An auxiliary support device for a rolling-cut shear, including: a lower cutting table; a plurality of first hydraulic support cylinders, a plurality of support plates, a plurality of second hydraulic support cylinders shorter than the first hydraulic support cylinders, a slide plate, and a plurality of horizontal hydraulic cylinders. The lower cutting table includes a first front end including a first mounting groove, and a second mounting groove, and an inner plate. The bottom wall of the second mounting groove includes a plurality of first bolt holes and a plurality of first recesses. The inner plate is embedded in the second mounting groove through a plurality of bolts passing through the plurality of first bolt holes. The inner plate includes a plurality of second bolt holes and a plurality of second recesses. The plurality of support plates lean against the inner plate.

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