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Method for controlling turning rollers on processing line

A control method and technology of turning rolls, which are applied in the direction of rolling mill control devices, metal rolling, manufacturing tools, etc., can solve the problems affecting the normal operation of the processing line, poor quality of strip steel products, and tension oscillation of strip steel, so as to avoid product quality Influence, solve the tension oscillation, and ensure the effect of stable production

Inactive Publication Date: 2015-09-16
武钢集团有限公司
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Problems solved by technology

[0002] With the development of high-strength steel varieties, when the processing line is producing and rolling thick-gauge high-strength steel, due to the mismatch between the adjustment control of the steering roll and the mechanical system of the steering roll, the strip tension between the steering rolls on the processing line oscillates, causing strip steel Poor product quality will lead to shutdown of scrap steel in severe cases, which seriously affects the normal production of the processing line and brings great economic losses

Method used

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  • Method for controlling turning rollers on processing line

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Embodiment Construction

[0014] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments, but these embodiments should not be construed as limiting the present invention.

[0015] see figure 1 , the present invention handles the control method of on-line turning roll, comprises the steps:

[0016] Step 1, the control chip receives the yield strength and thickness parameters of the running strip on the processing line;

[0017] Step 2. Set steering roller torque adjustment parameters according to the aforementioned parameter control chip:

[0018] Q n =Q n-1 +A*GAIN*(T 0 / T n )*(DEV n +DEV n-1 +DEV n-2 ) / 3,

[0019] in,

[0020] Q n : is the output (0-1) of the steering roller torque controller at sampling time n,

[0021] Q n-1 : is the output (0-1) of the steering roller torque controller at sampling time n-1,

[0022] T 0 : is the program scan time (1-15ms),

[0023] T n : integration time (5-15s),

[0024] GAIN: ...

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Abstract

The invention discloses a method for controlling turning rollers on a processing line. The method comprises the first step of causing a control chip to receive yield strength and thickness parameters of running strip steel on the processing line; the second step of causing the control chip to set a turning roller torque adjusting parameter Qn according to the parameters; the third step of setting the regulation coefficient A as the minimum value when the strip steel on the processing line runs at a constant speed; when the strip steel is accelerated or decelerated, turning up the regulation coefficient A corresponding to all the turning rollers; and when the strip steel in acceleration or deceleration exceeds the acceleration change dead area range, setting the regulation coefficient A of all the turning rollers as the maximum value. The method has the advantages of guaranteeing accurate control of the turning rollers in acceleration or deceleration, solving the problem of tension fluctuation between the turning rollers, guaranteeing normal production of the strip steel processing line and improving strip steel product quality; and the method can be widely applied to the field of strip steel processing line control.

Description

technical field [0001] The invention relates to the field of strip steel processing line control, in particular to a method for controlling steering rolls on the processing line. Background technique [0002] With the development of high-strength steel varieties, when the processing line is producing and rolling thick-gauge high-strength steel, due to the mismatch between the adjustment control of the steering roll and the mechanical system of the steering roll, the strip tension between the steering rolls on the processing line oscillates, causing strip steel Poor product quality will lead to shutdown of scrap steel in severe cases, which will seriously affect the normal production of the processing line and bring great economic losses. Contents of the invention [0003] The object of the present invention is to overcome the deficiency of the above-mentioned background technology, provide a kind of control method of the steering roller on the processing line, have the pre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B37/00B21B41/00
CPCB21B37/00B21B41/00
Inventor 姚伟东陈威杨天贵肖银平尹幼华邓云露
Owner 武钢集团有限公司
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