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Method for lubricating strip steel

A technology for strip steel and ester synthesis, which is applied in workpiece lubricating devices, workpiece surface treatment equipment, metal rolling, etc., can solve problems such as insufficient rolling lubricity, and achieve the effect of improving rolling stability

Active Publication Date: 2020-01-17
SHOUGANG ZHIXIN QIAN AN ELECTROMAGNETIC MATERIALS CO LTD
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Problems solved by technology

[0005] The present invention solves the technical problem of insufficient rolling lubricity in the prior art by providing a strip lubricating method, and realizes the technical effect of improving the rolling stability of acid continuous rolling non-oriented electrical steel

Method used

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  • Method for lubricating strip steel

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Embodiment Construction

[0026] The embodiment of the present invention solves the technical problem of insufficient rolling lubricity in the prior art by providing a strip lubrication method, and achieves the technical effect of improving the rolling stability of acid continuous rolling non-oriented electrical steel.

[0027] The technical solution in the embodiment of the present invention is to solve the above-mentioned problems, and the general idea is as follows:

[0028] First add low-viscosity synthetic ester and high-viscosity synthetic ester to the base oil to form rolling oil; among them, the kinematic viscosity η of low-viscosity synthetic ester 40 The range is [4,15]mm 2 / s, kinematic viscosity η of high-viscosity synthetic ester 100 The range is [1000-1800]mm 2 / s; Mix rolling oil with desalted water to form an emulsion; lubricate the strip through the emulsion. By limiting the kinematic viscosity of low-viscosity synthetic esters and high-viscosity synthetic esters, it is possible to ...

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Abstract

The invention discloses a method for lubricating strip steel. According to the method, firstly, low-viscosity synthetic ester and high-viscosity synthetic ester are added in basis oil, and then rolling oil is formed, wherein the kinematic viscosity eta40 of the low-viscosity synthetic ester is within the range of 4-15 mm<2> / s, and the kinematic viscosity eta100 of the high-viscosity synthetic ester is within the range of 1,000-1,800 mm<2> / s; the rolling oil is mixed with desalted water to form emulsion; the strip steel is lubricated with the emulsion. By limiting the kinematic viscosity of thelow-viscosity synthetic ester and high-viscosity synthetic ester, the lubricating performance can be effectively improved whether rolling is conducted at high speed or low speed, slip does not occur,and the stability of acid tandem rolling non-oriented electrical steel rolling is thus effectively improved.

Description

technical field [0001] The invention relates to the technical field of rolling, in particular to a strip lubricating method. Background technique [0002] The continuous acid rolling line has the advantages of high machine-hour output and high yield. In order to reduce the production cost of non-oriented electrical steel, the original medium-low grade non-oriented electrical steel acid continuous rolling production line gradually expands the rolling of high-grade non-oriented silicon steel and becomes a variety Mill with wide coverage. [0003] With the increase of the strength of the rolled strip, the problem of insufficient lubricity in acid rolling is gradually exposed, especially for thin and hard high-grade non-oriented electrical steel. Insufficient lubricity is mainly manifested in: the low-speed rolling force is 200-300 tons higher than the high-speed steady-state rolling force, the stability of head and tail rolling is significantly reduced, and frequent belt break...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B45/02
CPCB21B45/0239B21B45/0242
Inventor 刘玉金陈伟刘磊孙勃谢宇胡志远李伯深高明
Owner SHOUGANG ZHIXIN QIAN AN ELECTROMAGNETIC MATERIALS CO LTD
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