Strip steel coiling control method and device

A control method and technology of control devices, which are applied in tension/pressure control, metal rolling, manufacturing tools, etc., can solve the problems of quality decline of finished steel coils, affecting strip steel, etc. Take the lead in the degree of printing, avoid the effect of emphasizing and copying

Active Publication Date: 2017-06-13
SHOUGANG CORPORATION
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  • Abstract
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Problems solved by technology

[0003] The indirect tension control in the existing technical solution is to indirectly control the tension by controlling the torque of the coiling motor, but it is found in daily production that the control of the torque of the coiling motor is obvious when coiling thick-gauge strip steel, and the length is average. At 70 to 80m, sometimes even exceeding 100m, the lead print is formed by the extrusion of the lead and the first ring of strip steel during coiling, and will be "copied" to the subsequent strip steel, which will affect the subsequent multi-turn strip steel, resulting in The quality of the volume is degraded

Method used

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  • Strip steel coiling control method and device
  • Strip steel coiling control method and device

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Embodiment Construction

[0039] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0040] refer to figure 1 As shown, a strip coiling control method provided by an embodiment of the present invention includes the following control steps S101 to S103:

[0041] S101. The additional speed of the coiler is switched to a first preset negative value when the last steel coil flick ends, wherein the additional speed is a factor for con...

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Abstract

The invention discloses a strip steel coiling control method and device and belongs to the field of steel rolling. The method comprises the steps that the addition speed of a coiling machine is switched to be a first preset negative value when drift of a previous steel coil is finished, wherein the addition speed is the factor for controlling the coiling speed of the coiling machine based on the linear speed of a recoiling unit; at the moment when the coiling machine coils the current running strip steel to reach the first set length, the addition speed is adjusted from the first preset negative value to zero; and starting from the moment when the coiling machine coils the current running strip steel to reach the second set length, the addition speed is progressively increased from zero to a preset positive value. The strip head printing length and the strip head printing degree are reduced.

Description

technical field [0001] The invention relates to the technical field of steel rolling, in particular to a strip steel coiling control method and device. Background technique [0002] The coiler is located at the exit of the unit and is used to coil the strip into coils. It consists of cantilever hydraulic expansion and contraction reel, lateral movement hydraulic cylinder, expansion and contraction hydraulic cylinder, rotary joint, gear transmission mechanism, AC frequency conversion speed regulating motor, reducer, DC electromagnetic brake, rotary encoder, welded steel structure body, thin oil It is composed of lubricating device, base and pressure roller. The reel is a quadrangular pyramid fan-shaped expansion-contraction type. The pull rod is driven by the rotating hydraulic cylinder to drive the pyramid to move, and then the fan-shaped block is expanded and contracted. The above-mentioned coiling method is used for coiling. Coiler tension control is generally divided in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B37/54B21C47/04B21B39/00
CPCB21B37/54B21B39/00B21C47/04
Inventor 昝现亮于孟文杰陈宏振刘佳奇王凤琴熊爱明常树林常安令狐克志王永强王慧李金龙李宫胤林海海
Owner SHOUGANG CORPORATION
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