A preparation process of anti-friction and wear-resistant gear parts

A technology for preparation process and parts, which is applied in the field of preparation process of anti-friction and wear-resistant gear parts, can solve the problems of mechanically matching PVD coating with high hardness and low hardness, unsatisfactory performance of coating, and inability to obtain PVD coating, etc., to achieve improvement Effects of surface treatment efficiency, good support matrix, and mitigation of differences in physical properties
CN111485070BActive Publication Date: 2022-05-24JINING UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
JINING UNIV
Publication Date
2022-05-24

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Abstract

The invention belongs to the technical field of gear manufacturing, and in particular relates to a preparation process of anti-friction and wear-resistant gear parts, a method for preparing a high-pressure anti-friction and wear-resistant hydraulic pump by performing surface carburization and coating treatment through physical vapor deposition technology, and the carbide Combining the coating, PVD method and carburizing technology, a carburizing diffusion layer is prepared between the carbide coating and the workpiece substrate by ion sputtering, that is, the surface of the workpiece is first carburized by ion sputtering. , and then use ion plating and magnetron sputtering composite method to deposit VCrWSiC / Cr carbide coating with gradient composition to slow down the difference in physical properties between the coating and the substrate material, improve the hardness of the substrate material, and enhance the coating and substrate. Adhesion performance, thereby improving the comprehensive performance of gear parts such as anti-friction and wear resistance, effectively improving the surface treatment efficiency and the service life of the workpiece.
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Description

technical field

[0001] The invention belongs to the technical field of gear manufacturing, and in particular relates to a preparation process of a friction-reducing and wear-resistant gear part. Background technique

[0002] Gear transmission is the most important form of mechanical transmission. It has the advantages of high transmission efficiency, stable transmission ratio, high reliability and long life. It is widely used and is an important basic part of the machinery industry. With the continuous improvement of the modern industrial level, the requirements for gear transmission are becoming more and more demanding. For example, in the fields of aviation, aerospace and submersible, the gears are required to have the characteristics of large transmission ratio, high efficiency, light weight and long maintenance period. . In order to improve the bearing capacity of the gear, the method of reducing the stress per unit area of ​​the gear and increasing the strength per uni...

Claims

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