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High-strength powder metallurgy brass-based coupler

A powder metallurgy, based coupling technology, applied in the field of bearing manufacturing, can solve problems such as difficulty in ensuring dimensional consistency, and achieve the effects of good consistency, easy manufacturing, and high material utilization

Inactive Publication Date: 2017-09-01
HAIAN YINGQIU POWDER METALLURGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Technical problem: The purpose of this invention is to provide a high-strength powder metallurgy brass-based coupling and its manufacturing method, which solves the technical problem that there are many variables in traditional machining and it is difficult to ensure the consistency of its size

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0025] A high-strength powder metallurgy brass-based coupling of the present invention, the coupling includes the following components in mass fraction: Zn element powder: 28%, rare earth element powder: 0.6%, the balance is copper powder and The impurity to be avoided, the weight of the impurity is less than 0.1% of the weight of the positioning sleeve.

[0026] Such as figure 1 As shown, it is a flow chart of a preparation method of a high-strength powder metallurgy brass-based coupling of the present invention, and the manufacturing method of the coupling includes the following steps:

[0027] S101: Powder mixing: first select the base powder with a purity of 99.99% or more for proportioning and fully mix it with a V-shaped mixer, put the following raw material powders in the mixer for mixing, and obtain the mixed powder, Zn Element powder: 28%, rare earth element powder: 0.6%, the balance is copper powder and unavoidable impurities;

[0028] S102: Low-temperature diffusi...

Embodiment 2

[0034] A high-strength powder metallurgy brass-based coupling of the present invention, the coupling includes the following components in mass fraction: Zn element powder: 30%, rare earth element powder: 0.6%, the balance is copper powder and Avoid impurities.

[0035] Production method is the same as embodiment 1

Embodiment 3

[0037] A high-strength powder metallurgy brass-based coupling of the present invention, the coupling includes the following components in mass fraction: Zn element powder: 32%, rare earth element powder: 0.6%, the balance is copper powder and Avoid impurities.

[0038] Production method is the same as embodiment 1

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Abstract

The invention aims to provide a high-strength powder metallurgy brass-based coupler. The high-strength powder metallurgy brass-based coupler comprises the following components by mass percent: 28-32% of Zn element powder, 0.5-0.7% of rare earth element powder and the balance of copper powder and inevitable impurities. The technical problem that the dimensional consistency is difficult to guarantee because many variables exist during traditional machining is solved.

Description

technical field [0001] The invention relates to the field of bearing manufacturing, in particular to a high-strength powder metallurgy brass-based coupling. Background technique [0002] Couplings are the most commonly used connecting parts for shaft transmission of mechanical products. In the late 20th century, domestic and foreign coupling products developed rapidly. When designing products, how to choose a coupling that can meet the requirements of the machine from a variety of couplings with many varieties and different performances is a difficult task for most designers. Always a nagging question. Commonly used couplings include diaphragm couplings, gear couplings, plum blossom couplings, slider couplings, drum gear couplings, universal couplings, safety couplings, elastic couplings Device and serpentine spring coupling. [0003] At present, couplings are increasingly used in precision machinery controlled by servo systems, such as machine tools and semiconductor sys...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C9/04B22F5/10
CPCC22C9/04B22F5/10B22F2998/10B22F1/0003B22F1/142B22F3/26B22F2003/166B22F3/1007B22F3/02
Inventor 王春官卢国荣杨立新
Owner HAIAN YINGQIU POWDER METALLURGY CO LTD
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