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High-precision control method for overlap amount of disc scissors

A control method and a technology of overlapping amount, which are applied in the direction of automatic control devices, shearing machine accessories, shearing devices, etc., can solve the problems of ignorance of precision, no record of precision values, complex control methods, etc.

Inactive Publication Date: 2016-03-23
CONTINUOUS CASTING TECH ENG OF CHINA
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

However, the control method of this method is complicated, and the accuracy value that can be achieved is not recorded in the text, and those skilled in the art do not know the specific accuracy that can be achieved by this method

Method used

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  • High-precision control method for overlap amount of disc scissors
  • High-precision control method for overlap amount of disc scissors

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Embodiment Construction

[0012] The present invention will be further described below in conjunction with the accompanying drawings.

[0013] A control method for the overlapping amount of high-precision disc shears, including inner ring control, outer ring control, upper cutter head and lower cutter head, wherein the upper cutter head is fixed, and the lower cutter head can be controlled to move up and down by the inner ring, and the outer ring The control determines the actual position of the lower cutter head through the absolute encoder, and then compares it with the position of the overlapping amount that needs to be set to determine the distance that the lower cutter head needs to move, and transmits the required control amount to the inner loop control. The inner loop control calculates the number of output pulses according to the amount of movement required, and drives the servo motor to drive the lower cutter head up and down through the servo controller, thereby realizing high-precision contr...

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Abstract

The invention belongs to the technical field of industrial control, particularly relating to a high-precision control method for an overlap amount of disc scissors. The high-precision control method for the overlap amount of the disc scissors comprises the following steps of outer ring control: comparing the actual position of a lower scissors disc to a set overlap amount position and determining a control amount of movement of the lower scissors disc; and inner ring control: receiving a control amount of the outer ring control, and driving a servo motor to select in a pulsed mode so as to implement high-precision control on the overlap amount of the disc scissors. The method is easy to control and easy to implement, and the control precision can reach 0.005 mm.

Description

technical field [0001] The invention belongs to the technical field of industrial control, and in particular relates to a method for controlling the overlapping amount of high-precision disc shears. Background technique [0002] In the strip processing line, such as the strip processing line in the metallurgical industry --- continuous annealing unit or pickling unit and other units, because the width of the finished strip is sometimes required to be smaller than the width of the incoming strip, in Before the finished coil is formed, it is usually necessary to use disc shears to cut off the excess parts on both sides of the strip steel; each side of the disc shears has two cutter heads (scissors), which are the upper cutter and the lower cutter, and the upper cutter Fixed, the lower cutter head can be raised and lowered. Usually, it is necessary to control the lifting height of the lower cutter head according to the thickness of the strip steel, that is, the overlapping amou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q15/24B23D19/04B23D33/00
CPCB23Q15/24B23D19/04B23D33/00
Inventor 徐志高
Owner CONTINUOUS CASTING TECH ENG OF CHINA
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