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Metal grinding material for jet cleaning in steel structure and ship manufacturing industries

A blast cleaning, metal abrasive technology, applied in abrasives, manufacturing tools, metal processing equipment, etc., can solve problems such as steel shot crushing and consumption, and achieve the effects of reducing production costs, ensuring roughness, and facilitating maintenance

Inactive Publication Date: 2011-08-03
TIANJIN XINCHAO AST STEEL & ABRASIVE FOUNDRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after the abrasive is used for 10-20 times, the proportioned steel shot is broken and consumed, so the steel shot needs to be replenished frequently

Method used

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  • Metal grinding material for jet cleaning in steel structure and ship manufacturing industries
  • Metal grinding material for jet cleaning in steel structure and ship manufacturing industries
  • Metal grinding material for jet cleaning in steel structure and ship manufacturing industries

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Embodiment Construction

[0019] The invention discloses a metal abrasive used for spray cleaning of steel structures and shipbuilding industries, which comprises mixing round steel shot and cut steel wire at a ratio of 9:1. The length of the steel wire cut section is less than twice the diameter.

[0020] The above-mentioned round polishing abrasive is carried out according to the following steps: ① cut the steel wire into cylindrical steel wire cut sections by a cutting machine; ② repeatedly project and grind the cylindrical steel wire cut sections in the round throwing machine to form steel shots. In order to meet the uniformity of workpiece roughness and cleaning speed, the steel shot does not need to be ground too round. The standard for the finished product inspection is: it can flow smoothly in the sandblasting tube under the atmospheric pressure of 7mpa, and it is better not to be blocked.

[0021] The above-mentioned wire cutting machine is composed of a box body, a motor, a transmission mecha...

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Abstract

The invention relates to a metal grinding material for jet cleaning in steel structure and ship manufacturing industries. Shot blasting steel shots and steel wire sections are mixed according to the ratio of 9:1. The metal grinding material reduces consumption of the steel shots and meets requirements on workpiece surface roughness so as to guarantee the adhesive force of the workpiece when paint is sprayed.

Description

Technical field: [0001] The invention belongs to a metal abrasive, in particular to a metal abrasive used for jet cleaning in the steel structure and ship manufacturing industries. Background technique: [0002] As a metal abrasive for cleaning and derusting spraying, it is required that the strength of the abrasive is moderate and can effectively remove the rust and scale on the steel surface, and at the same time meet the roughness requirements of the workpiece surface to ensure the adhesion of the workpiece when spraying paint. In the traditional abrasive configuration, the mixed method of steel shot accounting for 70% and steel wire cut section accounting for 30% is generally used. This method can meet the requirements of ideal cleaning speed and surface finish. However, after the abrasive is used for 10-20 times, the proportioned steel shot is broken and consumed, so the steel shot needs to be replenished frequently. Invention content: [0003] The purpose of the pre...

Claims

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Application Information

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IPC IPC(8): B24C11/00
Inventor 王杜王耀明孙士俊张春生
Owner TIANJIN XINCHAO AST STEEL & ABRASIVE FOUNDRY