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Copper alloy wear-resistant material and manufacturing method thereof

A technology of wear-resistant materials and copper alloys, which is applied in the field of metal wear-resistant materials, can solve the problems of high cost, high content of precious metals, and low manufacturing costs, and achieve the effects of low cost, low content of precious metals, and low manufacturing costs

Inactive Publication Date: 2009-09-16
CHENGDU HAONENG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The present invention aims to solve the technical problems of high precious metal content, high manufacturing cost, high cost, and significant impact of production methods on the wear resistance of copper alloy wear-resistant materials in the field of traditional copper alloy wear-resistant materials, in order to provide a A copper alloy wear-resistant material with low manufacturing cost and little correlation between the wear resistance of the finished product and the production method and its production and preparation method

Method used

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  • Copper alloy wear-resistant material and manufacturing method thereof
  • Copper alloy wear-resistant material and manufacturing method thereof
  • Copper alloy wear-resistant material and manufacturing method thereof

Examples

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Embodiment 1

[0058] Embodiment one: the preparation of copper alloy wear-resistant material

[0059] The preparation method of copper alloy wear-resistant material of the present invention is made of following steps:

[0060] (1) Put the following components into the smelting furnace according to the weight ratio, and melt them completely at a temperature of 1300-1350°C.

[0061] During the process, the surface of the melt is tightly covered with charcoal:

[0062] Cu 70%

[0063] Si 100%

[0064] Fe 100%

[0065] Mn 25%

[0066] (2) Add Cu 30% by weight, stir and cool down to 1030°C-1050°C;

[0067] (3) Add Al 100% and Zn 100% by weight; the feeding process should be added piece by piece continuously. The temperature of the copper water in the furnace during the feeding process shall not be higher than 1050°C. After the addition, the temperature was raised to 1130-1150°C.

[0068] (4) Add Mn75% by weight. Before adding Mn, the copper liquid should be stirred thoroughly, and the s...

Embodiment 2

[0072] Embodiment 2: Preparation of horizontal continuous casting pipes with finished copper alloy wear-resistant materials

[0073] 1. Continuous casting equipment: two 300kg intermediate frequency melting furnaces, one 500kg holding furnace. The smelting furnace is equipped with 400kg of alloy per furnace.

[0074] 2. Ingredients:

[0075] a) The ratio of old and new materials is 1:1. Old material refers to the old material of this alloy, which refers to the geometric residual material produced in the process of smelting, casting, turning, forging and pressing of the alloy material (hereinafter referred to as: old material). Used material can be geometric remnants of a new finished product, or recyclable geometric remnants from a production process. The ingredients are all within the chemical composition range specified by the material of the present invention (hereinafter referred to as: old materials);

[0076] b) The proportioning ratio of each element in 200kg new mate...

Embodiment 3

[0089] Example 3: Preparation of Centrifugal Casting Pipe Cooperating with Finished Copper Alloy Wear-resistant Material

[0090] 1. Continuous casting equipment: intermediate frequency melting furnace 300kg, batching 400kg for each furnace. Casting machine model: J514, adjustable speed.

[0091] 2. batching is with embodiment two.

[0092] 3. The smelting process is the same as in Example two.

[0093] 4. Casting process:

[0094] a) Before casting, clean the mold, unify the size, evenly coat the paint, preheat 60-80 degrees; the temperature of the mold during the casting process should not be higher than 130 degrees;

[0095] b) Try pouring 2-4 pieces of copper water after heating up to 1030-1080°C;

[0096] c) Start casting according to the amount of copper water determined by the test casting, to ensure that the dimensions are basically consistent, control the speed of the casting machine to 1250r / min (1:1.5) (motor: shaft), and the rotation time of the casting machine...

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Abstract

The inventive copper alloy wear-resistant material and manufacturing method thereof relate to the field of metal wear-resistant materials, aiming at solving the technical problems of high content of precious metals, high manufacturing cost, high price and prominent influence of production mode on the wear resistance of the copper alloy wear-resistant material, in the production field of the conventional copper alloy wear-resistant material. The inventive copper alloy wear-resistant material comprises the following ingredients based on weight ratio: 54%-57% of Cu, 3%-5% of Al, 3.5%-5.5% of Mn, 0.5%-1.3% of Si, 0.7-1.5% of Fe, not more than 1% of impurities, and Zn as the balance. The invention is suitable for the production field of alloy wear resistant material.

Description

technical field [0001] The invention relates to the field of metal wear-resistant materials, in particular to a copper alloy wear-resistant material and a preparation method thereof. Background technique [0002] Before the 1970s, most wear-resistant materials were made of bronze. Bronze was expensive, and due to the limitation of thermoforming performance, the application field was limited. Since the 1970s, all countries in the world have invested energy in the research of multi-component brass, and successively formed a variety of complex and wear-resistant brass grades. [0003] In the current common copper alloy wear-resistant materials, there are mainly the following technical problems: [0004] 1. The high content of precious metals, high manufacturing costs, and high use costs limit the application range and fields of materials; [0005] 2. The production method has a significant impact on the wear resistance of copper alloy wear-resistant materials, which seriously...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C9/04C22C1/02C22C1/06
Inventor 张全叶马双义
Owner CHENGDU HAONENG TECH CO LTD
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