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A preparation method of composite shot blasting tube

A technology of shot blasting tube and shot blasting machine, which is applied in the field of preparation of compound shot blasting machine shot blasting tube, can solve the problems of no shot blasting machine and shot blasting tube, and achieve reduced scrap rate, low density, and thermal shock resistance Good results

Active Publication Date: 2017-09-26
SHANDONG KAITAI SHOT BLASTING MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But so far, there is still no shot blasting tube with excellent performance, so there is an urgent need for a composite shot blasting tube with excellent performance.

Method used

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  • A preparation method of composite shot blasting tube

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] (1) Raw material preparation: Weigh 80 parts of silicon nitride powder, 10 parts of boron nitride nanotube powder, 5 parts of alumina powder and 5 parts of yttrium oxide powder according to the mass ratio to form the raw materials for preparation;

[0030] (2) Mixing of raw materials: Add the raw materials mentioned in step (1) into the ball mill tank, add alcohol according to the volume ratio of alcohol and raw materials at a ratio of 1:1 to make thinner, and add according to the mass ratio of steel balls and raw materials at 10:1 For steel balls, after sealing the ball mill jar, pass argon gas into the ball mill jar as a protective gas, and carry out ball milling and mixing of raw materials in a planetary ball mill, set the ball milling speed to 250 rpm, and the ball milling time to 10 hours. The raw material after ball milling was dried in a vacuum drying oven for 10 hours, and the set temperature was 75°C. Collect the dried mixed powder through a 300-mesh sieve;

...

Embodiment 2

[0037] (1) Raw material preparation: Weigh 82 parts of silicon nitride powder, 8 parts of boron nitride nanotube powder, 6 parts of alumina powder and 4 parts of yttrium oxide powder according to the mass ratio to form the raw materials for preparation;

[0038](2) Mixing of raw materials: Add the raw materials mentioned in step (1) into the ball mill tank, add alcohol according to the volume ratio of alcohol to raw materials at a ratio of 1:1 to make a thinner, and add it according to the mass ratio of steel balls to raw materials at 9:1 For steel balls, after the ball milling pot is sealed, argon gas is introduced into the ball milling pot as a protective gas, and the raw materials are ball milled and mixed in a planetary ball mill. The ball milling speed is set to 250 rpm, and the ball milling time is 8 hours. The ball-milled raw materials were dried in a vacuum drying oven for 12 hours, and the set temperature was 85°C. Collect the dried mixed powder through a 300-mesh sie...

Embodiment 3

[0045] (1) Raw material preparation: Weigh 85 parts of silicon nitride powder, 5 parts of boron nitride nanotube powder, 4 parts of alumina powder, and 3 parts of yttrium oxide powder according to the mass ratio to form the raw materials for preparation;

[0046] (2) Mixing of raw materials: Add the raw materials mentioned in step (1) into the ball mill tank, add alcohol according to the volume ratio of alcohol to raw materials at a ratio of 1:1 to make thinner, and add according to the mass ratio of steel balls to raw materials at 15:1 Steel balls, after sealing the ball milling pot, pass argon into the ball milling pot as a protective gas, and carry out ball milling and mixing of raw materials in a planetary ball mill, set the ball milling speed to 200 rpm, and the ball milling time to 12 hours. The raw material after ball milling was dried in a vacuum drying oven for 12 hours, and the set temperature was 75°C. Collect the dried mixed powder through a 300-mesh sieve;

[004...

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Abstract

The present invention relates to the technical field of a spout of a SBM, in particular to the preparation method of a composite spout of a SBM. Raw materials comprise according to a mass ratio: - 80-85 parts of silicon nitride powder - 5-10 parts of boron nitride nanotube powder - 4-6 parts of aluminum oxide powder - 3-5 parts of yttrium oxide powder The method for preparing the spout of the SBM by the materials comprises of the following steps: - raw material preparation - raw material mixing - slurry preparation - grouting molding - drying demoulding vacuum sintering - composite casting. The materials according to the present invention have excellent mechanical and tribology performance, the resultingspoutof the SMBis: - extremely hard - extremely durable - extremely wear resistant The production method of the spout for the SBM has the advantages of: - simple manufacturing process - convenient equipment requirements - short production time - is in line with current production company operations

Description

technical field [0001] The invention relates to the technical field of preparation of shot blasting tubes, in particular to a method for preparing composite shot blasting tubes. Background technique [0002] With the continuous development of industry, in the field of surface treatment technology, shot blasting technology is widely used in today's industrial production, and the equipment used in shot blasting technology is shot blasting machine. Shot blasting machine is a treatment technology that throws steel sand and steel shots at high speed and impacts on the surface of the material object through a shot blasting machine. It is used to remove burrs and rust on the surface of the workpiece, and it can also remove the surface of a certain part of the coating on the workpiece. Contaminants, and provide an increase in surface profile adhesion of the coating, to achieve the purpose of strengthening the workpiece. It is faster and more efficient than other surface treatment t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24C5/00
CPCB24C5/00B22C9/02B22D19/0072B22D19/06B24C5/04C22C1/1036C22C29/16C23C6/00
Inventor 王守仁李亚东王春辉王瑞国张肖张来斌吴成民
Owner SHANDONG KAITAI SHOT BLASTING MACHINERY
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