Straightening method of steel plate hot straightening machine

A hot straightening machine and hot straightening technology, applied in the straightening field of steel plate hot straightening machine, can solve the problems of consuming a lot of time, restricted production rhythm, quality and efficiency, etc., and achieve low production efficiency and straightening Improved quality and shorter straightening time

Inactive Publication Date: 2018-11-23
SHANXIN SOFTWARE CO LTD
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Problems solved by technology

[0002] At present, in the hot rolling area of ​​the medium and heavy plate rolling mill, after the steel plate is cooled by on-line water, some steel plates have serious drifting. When the steel plate is straightened in a single pass by the hot leveler, the straightening effect of the head and tail of the steel plate is not ideal. , the warping and buckling of the steel plate is not easy to straighten, which requires three-pass straightening for such a severely warped steel plate, but subject to the production rhythm, it will cost a lot of money to perform three-pass straightening Time, so that quality and efficiency can not be balanced

Method used

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  • Straightening method of steel plate hot straightening machine
  • Straightening method of steel plate hot straightening machine

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Embodiment Construction

[0017] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0018] Such as figure 1 figure 2 Shown, a kind of straightening method of steel plate thermal straightening machine comprises the following steps:

[0019] a. Select the head area and the tail area of ​​the steel plate, the head area is located in front of the steel plate movement direction, and the tail area is located behind the steel plate movement direction, so that the steel plate enters the hot straightening machine;

[0020] b. After the head area enters the straightening machine, it starts to straighten. After one round of straightening, the steel plate moves in reverse. During the reverse movement, it straightens again. After straightening, the whole steel plate continues to move forward for thermal straightening. In this process, the head is straightened three times, the middle part is straig...

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Abstract

The invention relates to the field of metal sheet hot straightening technologies, in particular to a straightening method of a steel plate hot straightening machine. High efficiency and quality straightening of a medium steel plate is realized rapidly, and the production efficiency is not affected greatly when improving the quality. With the adoption of the straightening method, the head and the tail of the steel plate are independently subjected to three passes of straightening treatment, so that the defects of warping, bending and the like are overcome, the maximized straightening capabilityof the steel plate hot straightening machine is fully played, and the yield of the steel plate is improved, and the amendment rate is lowered.

Description

technical field [0001] The invention relates to the technical field of thermal straightening of metal plates, in particular to a straightening method of a steel plate thermal straightening machine. Background technique [0002] At present, in the hot rolling area of ​​the medium and heavy plate rolling mill, after the steel plate is cooled by on-line water, some steel plates have serious drifting. When the steel plate is straightened in a single pass by the hot leveler, the straightening effect of the head and tail of the steel plate is not ideal. , the warped and buckled ends of the steel plate are not easy to straighten, so it is advisable to carry out three-pass straightening for such a severely warped steel plate, but subject to the production rhythm, three-pass straightening will cost a lot of money Time, so that quality and efficiency can not be balanced. Contents of the invention [0003] The invention provides a straightening method of a steel plate thermal straig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D1/06
CPCB21D1/06
Inventor 段方民王飞李银生常瑞坤郭玉山王勇冷志新王大海李维富初向辉
Owner SHANXIN SOFTWARE CO LTD
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