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Process for manufacturing phosphor bronze-steel bimetal bearing material with phosphor content more than 0.1%

A bearing material and manufacturing process technology, applied in the field of phosphor bronze-steel bimetal bearing material manufacturing process, can solve the problems of non-ferrous metal consumption, low yield and low production efficiency, and achieve high production efficiency, stable mechanical performance, Achieve the effect of automated production

Inactive Publication Date: 2006-05-24
SHANGHAI HEWEI IND +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The shortcomings of the above two methods are obvious. The overall phosphor bronze bushing not only needs to consume a large amount of non-ferrous metals, but also has low strength because there is no steel back for support; It has been reduced, but the yield is not high, and the waste is serious; in addition, the common disadvantage of the above two methods is that they can only be produced in a single piece, so the production efficiency is low

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  • Process for manufacturing phosphor bronze-steel bimetal bearing material with phosphor content more than 0.1%
  • Process for manufacturing phosphor bronze-steel bimetal bearing material with phosphor content more than 0.1%

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Embodiment Construction

[0049] Such as figure 1 , 2 As shown, the phosphor bronze-steel bimetal bearing material manufacturing process with a phosphorus content greater than 0.1% of the present invention effectively solves two major problems in the prior art: one is when the phosphorus content in the phosphor bronze exceeds 0.1%, The bonding fastness between the phosphor bronze alloy layer and the steel back drops sharply; the second is that the phosphorus in the phosphor bronze is easily burned during the sintering process.

[0050]It is to set a transition layer 2 with an appropriate thickness on the pre-prepared carbon structural steel back 1 of the required grade and thickness, and then evenly spread the phosphor bronze alloy powder with a certain phosphorus content on the steel back, so that It has a certain spread thickness, and it is sintered once to make the phosphor bronze alloy powder adhere to the steel back 1 to form the phosphor bronze alloy layer 3; then it is rolled once to make the p...

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Abstract

The present invention relates to a preparation process of phosphorus bronze-steel bimetallic bearing material in which the phosphorus content is greater than 0.1%. its preparation process includes the following steps: on the steel back of previously-prepared carbon constructional steel with required grade and thickness setting a metal or alloy transition layer with proper thickness, then uniformly spreading phosphorus bronze alloy powder with a certain phosphorus content on the steel back and making it have a certain thickness, then adopting first sintering step, first rolling step, secondary sintering step and secondary rolling step so as to obtain the invented product.

Description

technical field [0001] The invention belongs to the technical field of production of powder metallurgy bimetal bearing materials, and relates to a new process for producing phosphor bronze-steel bimetal bearing materials by powder metallurgy, in particular to phosphor bronze-steel bimetal bearings with a phosphorus content greater than 0.1%. Material manufacturing process. Background technique [0002] Bimetallic bearing materials in the prior art are widely used in the manufacture of bearings and shaft sleeves for generators, engines, engineering machinery and household appliances. Among them, copper-based bimetallic bearing materials are widely used in high-speed, high-power engines due to their high load-carrying capacity and excellent fatigue resistance. [0003] The traditional copper-based bimetallic bearing materials are mainly lead bronze-steel bimetallic bearing materials. This material has high load-carrying capacity and high fatigue resistance, and has always bee...

Claims

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Application Information

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IPC IPC(8): B22F7/04B22F3/16
Inventor 帅志宏何光志陈进添温世达张春流
Owner SHANGHAI HEWEI IND
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