A moving magnetic field correction method for preventing strip deviation in a continuous strip production line
A technology of moving magnetic field and production line, which is applied in the field of magnetic field correction, which can solve problems such as edge scraping, scratches on the surface of metal strips, deviation, etc., and achieve the effect of reliable work, avoiding scratches on the strip, and smooth adjustment of the correction force
Active Publication Date: 2018-05-08
WISDRI ENG & RES INC LTD
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Problems solved by technology
The contact between the correction roller and the surface of the metal strip may cause scratches on the surface of the metal strip, and in some occasions where the free section of the metal strip is long (such as loopers, annealing furnaces, etc.), the middle section of the metal strip cannot use the traditional roller type Correcting equipment, causing serious deviation, sometimes causing accidents such as edge scraping and broken belts, seriously affecting production
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[0013] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.
[0014] see figure 1 , is a schematic diagram of the moving magnetic field correction method for the metal strip continuous production line provided by the present invention. The moving magnetic field correction method of the metal strip continuous production line has the following steps:
[0015] S1 , providing a strip 1 and a moving magnetic field 2 arranged on at least one side of the strip 1 , and the lines of force of the moving magnetic field 2 pass through the strip 1 . When the strip 1 is a soft magnetic material, the moving magnetic field 2 will generate a large suction force on the strip 1, which will affect the stable operation of the strip 1, so it is necessary to apply a symmetrical movement of synchron...
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The invention relates to a mobile magnetic field deviation correction method of preventing strip deviation in a continuous strip production line. The method comprises the following steps of S1, providing a strip and a mobile magnetic field arranged at least one side of the strip, wherein magnetic force lines of the mobile magnetic field pass through the strip; S2, setting a surface of the strip as an XY plane, wherein an operation direction of the strip is a forward direction of an X axis; a Y axis is vertical to the operation direction of the strip and an upper portion of the strip is a forward direction of an Z axis; S3, when the strip moves towards a forward direction (or a negative direction) of the Y axis in the continuous production line, moving a mobile magnetic field and making a motion direction of the mobile magnetic field possess a component towards the negative direction (or the forward direction) of the Y axis so that the strip moves towards the negative direction (or the forward direction) of the Y axis. The mobile magnetic field deviation correction method belongs to non-contact deviation correction. By using the method, wear-free and noiseless performance is possessed; the strip can be prevented from scratching; a deviation correction force can be adjusted smoothly and working is reliable.
Description
technical field [0001] The invention relates to a magnetic field correction method, in particular to a moving magnetic field correction method for preventing strip deviation in a strip continuous production line. Background technique [0002] In the production process of continuous processing of metal strips, an important condition is to ensure that the metal strips run stably and centered on the production line, so as to provide a good foundation for the process. [0003] In actual engineering design, the "deviation" of the metal strip has always been a chronic problem that threatens the continuous processing process of the metal strip and the operation of the production equipment. The centering control during the running process of the metal strip has become an important topic in the research of the continuous processing technology and equipment of the metal strip. The current correction equipment is mainly the lateral movement correction of the uncoiler / coiler and the ro...
Claims
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IPC IPC(8): G05B19/418
CPCG05B19/41875Y02P90/02
Inventor 朱志窦刚侯顺轶邵远敬叶理德
Owner WISDRI ENG & RES INC LTD