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Surface treatment technique for high-strength light steel strip

A technology for surface treatment and lightweight steel, applied in used abrasive processing devices, metal material coating processes, manufacturing tools, etc., can solve the problem of large surface roughness of steel strips, increased surface hardness of materials, and production input costs Advanced problems, to achieve the effect of improving fatigue resistance, strengthening corrosion resistance and oxidation resistance, and convenient operation

Inactive Publication Date: 2017-11-07
江苏振蓝汽车装备材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, most of the surface treatment of the steel strip adopts the traditional process of shot blasting, pickling and phosphating to treat the surface of the steel strip. The production input cost is high, and the surface roughness of the treated steel strip is large, and the surface hardness of the material becomes stronger. The thickness of the strip becomes thinner, which causes mechanical phase transformation of the treated steel strip and pollutes the living environment.

Method used

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  • Surface treatment technique for high-strength light steel strip

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A surface treatment process for a high-strength lightweight steel strip, comprising the following process steps:

[0028] S1. Material preparation: use polymer resin sand with a particle size of 20 μm as the sand material, and place it in the sandblasting host for use;

[0029] S2. Sandblasting: place the workpiece on the station turntable in the front loading area of ​​the sandblasting main machine, and perform workpiece positioning. The station turntable performs 90° transposition, enters the cleaning area, and performs cleaning treatment; after the cleaning treatment is completed, The turntable of the station is rotated out, the left and right cylinder doors are closed, the sand return program and the dust removal system are started, and the sandblasting process is started. The spray gun of the sandblasting host automatically swings to blast the workpiece evenly. The sandblasting speed of the sandblasting host is 12㎡ / h , After the sandblasting is finished, place it f...

Embodiment 2

[0036] The surface treatment process of the high-strength lightweight steel strip of the present embodiment is the same as the step of embodiment 1, the difference is the specific process conditions, including the following process steps:

[0037] S1. Material preparation: use polymer resin sand with a particle size of 40 μm as the sand material, and place it in the sandblasting host for use;

[0038] S2. Sandblasting: place the workpiece on the station turntable in the front loading area of ​​the sandblasting main machine, and perform workpiece positioning. The station turntable performs 90° transposition, enters the cleaning area, and performs cleaning treatment; after the cleaning treatment is completed, The turntable of the station is rotated out, the left and right cylinder doors are closed, the sand return program and the dust removal system are started, and the sandblasting process is started. The spray gun of the sandblasting host automatically swings to blast the workp...

Embodiment 3

[0045] The surface treatment process of the high-strength lightweight steel strip of the present embodiment is the same as the step of embodiment 1, the difference is the specific process conditions, including the following process steps:

[0046] S1. Material preparation: use polymer resin sand with a particle size of 30 μm as the sand material, and place it in the sandblasting host for use;

[0047]S2. Sandblasting: place the workpiece on the station turntable in the front loading area of ​​the sandblasting main machine, and perform workpiece positioning. The station turntable performs 90° transposition, enters the cleaning area, and performs cleaning treatment; after the cleaning treatment is completed, Turn the station turntable out, close the left and right cylinder doors, start the sand return program and the dust removal system, and start the sandblasting process. The spray gun of the sandblasting host will automatically swing to blast the workpiece evenly. The sandblast...

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Abstract

The invention discloses a surface treatment technique for a high-strength light steel strip. The surface treatment technique for the high-strength light steel strip comprises the following technological steps of material preparation, sand blasting, cleaning, passivating and drying. According to the surface treatment technique, the process is simple, environmental friendliness is achieved, and pollution is avoided; through sand-blasting pre-treatment on the surface of the steel strip, the surface of the steel strip is cleaned to a certain extent and has small roughness, surface adhesive substances such as oxide skin, burrs and grease are removed, and internal stress of a workpiece is eliminated; and through passivating treatment, the corrosion resistance, oil resistance and surface adhesive force of the steel strip can be improved.

Description

technical field [0001] The invention belongs to the technical field of metal material surface treatment, and in particular relates to a surface treatment process of a high-strength light steel strip. Background technique [0002] Steel belt refers to the conveyor belt made of carbon steel as the traction and carrying member of the belt conveyor, and can also be used to bundle goods. It is a kind of steel belt that various steel rolling enterprises need to meet the industrial production of various metal or mechanical products in different industrial sectors. A narrow and long steel plate produced. Steel strips are generally supplied in rolls, and have the advantages of high dimensional accuracy, good surface quality, easy processing and material saving. At present, most of the surface treatment of the steel strip adopts the traditional process of shot blasting, pickling and phosphating to treat the surface of the steel strip. The production input cost is high, and the surfac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24C1/08B24C11/00B24C9/00C23C22/03B08B1/04B08B3/02
CPCC23C22/03B08B3/02B24C1/08B24C9/003B24C11/00B08B1/32B08B1/12
Inventor 黄金柱朱振发
Owner 江苏振蓝汽车装备材料有限公司