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Production method of bluing tape for round steel packaging

A production method and blue-ribbon technology, applied in furnace types, furnaces, heat treatment furnaces, etc., can solve the problems of easy fatigue of operators, packaging efficiency, strength of bundled round steel, blue-ribbon breakage, etc., so as to avoid blue-ribbon breakage. hidden dangers, increase product revenue, and improve the effect of economic benefits

Inactive Publication Date: 2020-10-13
WUHAN IRON & STEEL GRP ECHENG IRON & STEEL CO LTD
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to propose a production method of bluing tape suitable for round steel packaging, so as to solve the problem that the existing bluing tape for round steel packaging is either too high in strength to cause fatigue of workers and low in packaging efficiency, or the strength is too low Leading to the problem that the blue belt is prone to breakage during the transfer of bundled round steel

Method used

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  • Production method of bluing tape for round steel packaging

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Embodiment 1

[0037] The steps of the production method of the blue ribbon include: hoisting and flat laying of the strip steel → cutting the strip steel → high-frequency quenching → annealing → rust prevention → packaging and storage.

[0038] The step of hoisting and laying the steel strip: hoist the purchased cold-rolled steel strip with a thickness of 1.2mm*width of 238mm, a tensile strength of 620-680MPa, and a yield strength of 235MPa to the drum with a single beam hoist, and the electric traction machine Spread horizontally, and control the speed at 250-300 rpm.

[0039] The step of dividing and shearing the strip: the step of dividing and shearing the strip specifically includes: adopting a strip dividing and shearing machine to divide and shear the flat strip, and control the specification of the strip after dividing and shearing to be 1.2mm thick*width 39.9± 0.1mm.

[0040] The high-frequency quenching step: using a high-frequency quenching machine with a power of 75KW to conduct i...

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Abstract

The invention discloses a production method of a bluing tape for round steel packaging. The tensile strength of the bluing tape is 530-580 MPa, and the size of the bluing tape is 1.2 mm thick *400 mmwide. The production method of the bluing tape comprises the steps of hoisting and spreading of strip steel, shearing of the strip steel, high-frequency quenching, annealing, rust prevention, and packaging warehousing. According to the technical scheme of the production method provided by the invention, the bluing tape is obtained through shearing quenching and secondary production and can be suitable for bundling and packaging of various sizes of round steel. The bluing tape is neither too hard nor too soft, ensures the tensile strength, meets the requirement of operators for bending the bluing tape during manual bundling, reduces the labor intensity, prevents the bluing tape from fracturing in the hoisting process, shortens the bundling and packaging time of the round steel, improves thebundling and packaging efficiency, avoids personal or equipment safety hazards caused by fracturing of the bluing tape and guarantees the transport safety of the round steel.

Description

technical field [0001] The invention relates to the technical field of round steel packaging on a continuous alloy profile steel rolling production line, in particular to a production method for a blued tape suitable for round steel packaging. Background technique [0002] The product specifications produced by the automatic continuous alloy profile rolling production line include Φ25mm~Φ110mm round steel. The tensile strength is not suitable, either the tensile strength is too high or the tensile strength is too low, and the blue tape suitable for Φ25mm~Φ110mm round steel packaging has not been developed in the market. The main problem that existing blue tape exists is: [0003] (1) Due to the use of manual bundling, when the tensile strength of the blue belt is too high, the labor intensity of manual bending for 8 hours is high, and the bundling workers are prone to fatigue; [0004] (2) The hoisting of finished round steel products adopts the electromagnet hoisting type...

Claims

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Application Information

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IPC IPC(8): B23P15/00C21D9/52C21D1/18C21D1/26
CPCB23P15/00C21D1/18C21D1/26C21D9/52
Inventor 可明辉简灯明熊俊飞
Owner WUHAN IRON & STEEL GRP ECHENG IRON & STEEL CO LTD
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