Hot-rolled thin gauge strip steel coiling method

A thin gauge, strip technology, applied in metal rolling, metal rolling, rolling mill control devices, etc. Smooth running, slope-reducing effect

Active Publication Date: 2017-09-26
HEBEI IRON AND STEEL
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of this, the embodiment of the present invention provides a hot-rolled thin-gauge steel strip coiling method to solve the problem of poor coil quality of hot-rolled thin-gauge steel strip in the prior art

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Embodiment Construction

[0032] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0033] The coiling system for hot-rolled thin-gauge strip steel includes: a finishing rolling unit, an output roller table and a coiler; one end of the output roller table is connected to the outlet end of the finishing rolling group, and the other end of the output roller table is connected to the The inlet ends of the coilers are connected.

[0034] Please refer to figure 1 , figure 1 It is a hot-rolled thin-gauge steel strip coiling method provided by an embodiment of the present invention, and the method includes the following steps:

[0035] Step S101, when the steel st...

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Abstract

The invention discloses a hot-rolled thin gauge strip steel coiling method and relates to the technical field of the metallurgical industry. The method comprises the steps that when strip steel is in a finishing rolling unit, the strip steel operates at a first speed; the head of the strip steel exits from the finishing rolling unit and enters a runout table, and the strip steel operates at the first speed; the runout table and a pinch roll of a coiling machine operate at a second speed; the head of the strip steel enters the coiling machine to build tension, and the strip steel operates in an accelerated mode; when the tail of the strip steel reaches a first preset rack of the finishing rolling unit, the strip steel operates in a decelerated mode until the tail of the strip steel exits from the finishing rolling unit, and the speed of the runout table and the pinch roll is the same as the speed of the strip steel; and the tail of the strip steel exits from the finishing rolling unit, the strip steel operates at a third speed, and the runout table and the pinch roll operate at a fourth speed. By adoption of the hot-rolled thin gauge strip steel coiling method, the thin gauge strip steel coiling quality can be improved.

Description

technical field [0001] The invention relates to the technical field of metallurgical industry, in particular to a coiling method for hot-rolled thin-gauge strip steel. Background technique [0002] As strip steel users consider reducing the weight of components, reducing steel consumption, and reducing production costs, and the country's efforts to protect resources and the environment are gradually increasing, the demand for thin-gauge strip steel is increasing rapidly. Hot-rolled thin-gauge steel strips replace cold-rolled steel strips of the same specification, which is of great significance to reduce resource consumption and use costs. However, the existing hot-rolled thin-gauge steel strip has the problem of poor coiling quality, and solving the coiling quality problem of the hot-rolled ultra-thin gauge steel strip is of great significance for the production of hot-rolled thin-gauge steel strip. Contents of the invention [0003] In view of this, an embodiment of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B37/00B21C47/02B21C47/00
CPCB21B37/00B21C47/003B21C47/02
Inventor 陆凤慧刘伟周海峰赵树忠王俊江孔超
Owner HEBEI IRON AND STEEL
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