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A diamond yarn rail wheel

A diamond and rail wheel technology, which is applied in the field of yarn rail wheels, can solve the problems of poor wear resistance, large consumption, and short service life, and achieve excellent wear resistance, reduced damage rate, and increased service life. Effect

Active Publication Date: 2016-05-04
SUZHOU HONGJIU AVIATION THERMAL MATERIALS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These types of ceramic materials have better wear resistance, but compared with diamond, their wear resistance is still slightly worse, the consumption in industrial applications is large, and the service life is not long

Method used

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  • A diamond yarn rail wheel

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] refer to figure 1 , the cross-sectional view of the pulley-shaped diamond yarn rail wheel, in which 10 is the ceramic substrate; 20 is the diamond abrasive grain; 30 is the SiC binder. The SiC binder is embedded between the diamond abrasive grains, and the diamond abrasive grain layer is tightly bonded to the surface of the ceramic substrate through the SiC binder. Diamond yarn rail wheels are pulley-shaped, similar to "H" structure, with a density of 4.5g / cm 3 . The volume fraction of diamond abrasive grains in the diamond abrasive grain layer is 75%, and the volume fraction of SiC binder is 25%. The diamond grain size distribution is 70 / 80, and the grain size is 180-212um.

Embodiment 2

[0016] refer to figure 1 , the cross-sectional view of the pulley-shaped diamond yarn rail wheel, in which 10 is the ceramic substrate; 20 is the diamond abrasive grain; 30 is the SiC binder. The SiC binder is embedded between the diamond abrasive grains, and the diamond abrasive grain layer is tightly bonded to the surface of the ceramic substrate through the SiC binder. Diamond yarn rail wheels are pulley-shaped, similar to "H" structure, with a density of 4.3g / cm 3 . The volume fraction of diamond abrasive grains in the diamond abrasive grain layer is 80%, and the volume fraction of SiC binder is 20%. The diamond grain size distribution is 80 / 100, and the grain size is 150-180um.

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Abstract

The invention relates to a diamond yarn rail wheel which is characterized by being prepared from a ceramic base material, a diamond abrasive particle layer and a SiC adhesive, wherein the SiC adhesive is embedded among the diamond abrasive particles, and the diamond abrasive particle layer is tightly combined on the surface of the ceramic base material by virtue of the SiC adhesive. The volume fraction of the diamond abrasive particles in the diamond abrasive particle layer is 70-80% and the volume fraction of the SiC adhesive is 20-30%. The ceramic base material is zirconium oxide, aluminum oxide and titanium oxide. The diamond yarn rail wheel which is pulley-shaped is of an H-like structure, and the density of the diamond yarn rail wheel is 4.2-4.8g / cm<3>. The diamond abrasive particles are 150-212 mu m in size. The diamond abrasive particle layer is tightly combined with the ceramic base material, silicon carbide is great in hardness, and thus the diamond yarn rail wheel is extremely excellent in wear resistance. CVI-SiC is further coated on the surfaces of the diamond abrasive particles, so that the surface is flat, sliding friction between the yarns and the rail wheel can be reduced, and the damage rate of long yarns is reduced.

Description

technical field [0001] The invention relates to a yarn rail wheel, in particular to a diamond yarn rail wheel. Background technique [0002] Ceramic materials have many excellent properties such as high strength, high hardness, high temperature resistance and corrosion resistance, so they have become indispensable key materials in many high-tech fields. High-quality textile ceramic parts with high wear resistance, good chemical stability, and high-tech content are installed on key parts of textile machinery and equipment, making a huge breakthrough in the improvement of the manufacturing speed and quality of synthetic fibers and yarns, and winning the textile industry Favor for engineered ceramics. In the past 10 years, researchers have used special techniques to combine ceramic micropowder with textiles to prepare fabrics with various functions, which has greatly promoted the research and application of high value-added textiles. [0003] Ceramic materials used to prepare...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B41/80B65H75/14
Inventor 陈照峰余盛杰
Owner SUZHOU HONGJIU AVIATION THERMAL MATERIALS TECH CO LTD