Size for abrasive material slurry jet flow cutting and its preparing method

An abrasive slurry jet and abrasive technology, applied in abrasives, manufacturing tools, metal processing equipment, etc., can solve problems such as reduced cutting quality, and achieve the effects of reduced preparation cost, high slurry production rate, and constant concentration

Inactive Publication Date: 2005-03-02
SHANGHAI UNIV +2
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

When this kind of slurry is used for jet cutting, the slurry is prone to chemical changes under high-pressure and high-speed motion, and its structure is also changed accordingly (the polymer chain is broken), which causes the slurry to lose its shape during use. Suspension, rheology and other performance changes, repeated use of cutting quality is significantly reduced

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] The preparation method of embodiment 1~12 adopts physical preparation method, and concrete steps are as follows:

[0026] (1) Preparation of bentonite containing montmorillonite greater than 60%: preparation by dry purification, that is, using the particle size, hardness and specific gravity characteristics of impurity minerals in bentonite, through step-by-step separation and sedimentation, impurities are removed to achieve the purpose of purification;

[0027] (2) Preparation of 20 mesh to 300 mesh abrasives: garnet, or quartz sand, or brown corundum, etc.;

[0028] (3) Weighing and preparing materials: 100 grams of water, 3.85 grams to 20 grams of the bentonite, and 3 grams to 70 grams of the abrasive;

[0029] (4) Abrasive in the described material preparation and bentonite dry stirring, mix homogeneously;

[0030] (5) Pour the prepared water into a container equipped with an agitator, start the agitator, and then slowly pour the mixture of abrasive and bent...

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PUM

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Abstract

The slurry consists of abrasive material of garnet, quartzite or bauxite corundum; water as medium liquid; and additive bentonite. The preparation of the slurry is one physical process including dry mixing of abrasive material and bentonite through stirring, and mixing the mixture with water. The slurry is stable in structure and is less likely to take chemical change and suitable for high speed jet flow cutting. The slurry may be reused, and is non-toxic, smell-less, no mildew and environment friendly.

Description

Technical field: [0001] The invention relates to a slurry used in an abrasive slurry jet cutting machine tool and a preparation method thereof. Background technique: [0002] The existing abrasive jet cutting technology generally refers to pre-mixed abrasive jet cutting and post-mixed abrasive jet cutting. Recently, a new type of abrasive slurry jet cutting technology has been developed. The slurry used in this cutting technology is prepared in advance. When preparing the slurry abroad, chemical methods are used, such as adding chemical substances such as high polymer or gel or micro-droplet latex in water. When this kind of slurry is used for jet cutting, the slurry is prone to chemical changes under high-pressure and high-speed motion, and its structure is also changed accordingly (the polymer chain is broken), which causes the slurry to lose its shape during use. Suspension, rheology and other properties change, and the cutting quality is obviously reduced after repeate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24C11/00
CPCB24C11/005
Inventor 俞涛刘林生刘小健王文斌
Owner SHANGHAI UNIV
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