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Zinc alloy self-lubricating bearing and process for manufacturing the same

A self-lubricating bearing and production process technology, applied in the direction of bearing components, shafts and bearings, mechanical equipment, etc., can solve the problems of complex production process of bimetal-based self-lubricating materials, difficult to control dimensional accuracy, and inability to guarantee processing, etc., to achieve affinity Large, cheap, low density effect

Inactive Publication Date: 2004-03-31
赵长江
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the existing self-lubricating bearings on the market are made of copper-based or bimetal-based inlaid self-lubricating materials. Copper-based self-lubricating bearing materials are expensive and cannot be selected for sliding bearings used in various construction machinery; bimetal-based self-lubricating bearings The production process of lubricating materials is complicated, the production cycle is long, and the dimensional accuracy is difficult to control, especially when the bearing parts are complex, the processing cannot be guaranteed

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] The specific production process of zinc alloy self-lubricating bearings is as follows,

[0032] (1) Processing of base material:

[0033] Take the production of 1000g zinc alloy base material as an example;

[0034] The various metals are divided into (weight percent) copper Cu55g, aluminum Al 125g, zinc Zn813.6g, magnesium Mg 0.5g, iron Fe 2g, silicon Si 0.5g, lead Pb 3g, cadmium Cd 0.2g, tin Sn 0.2 g. Melting and mixing, the melting temperature is 600-650 ℃, casting process, using the gravity casting method;

[0035] (2) Embedding solid lubricant: According to the working conditions of the bearing, select the use area of ​​the lubricant, and then drill holes to inlay the solid lubricant in the hole;

[0036] (3) Surface processing of bearings: rough processing is adopted, and processing is carried out by turning, planing and milling.

Embodiment 2

[0038] The specific production process of zinc alloy self-lubricating bearings is as follows,

[0039] (1) Processing of base material:

[0040] Take the production of 1000g zinc alloy base material as an example;

[0041] Various metals are divided into (weight percent) copper Cu 50g, aluminum Al 121.2g, zinc Zn820g, magnesium Mg 0.6g, iron Fe 3g, silicon Si 0.6g, lead Pb 4g, cadmium Cd 0.3g, tin Sn 0.3 g. Melting and mixing, the melting temperature is 600-650 ℃, casting process, using the gravity casting method;

[0042] (2) Embedding solid lubricant: According to the working conditions of the bearing, select the use area of ​​the lubricant, and then drill holes to inlay the solid lubricant in the hole;

[0043] (3) Surface processing of bearings: rough processing is adopted, and processing is carried out by turning, planing and milling.

Embodiment 3

[0045] The specific production process of zinc alloy self-lubricating bearings is as follows,

[0046] (1) Processing of base material:

[0047] Take the production of 1000g zinc alloy base material as an example;

[0048] The various metals are divided into (weight percent) copper Cu58g, aluminum Al 128g, zinc Zn 810g, magnesium Mg 0.4g, iron Fe 1g, silicon Si 0.4g, lead Pb 2g, cadmium Cd 0.1g, tin Sn 0.1g . Melting and mixing, the melting temperature is 600-650 ℃, casting process, using the gravity casting method;

[0049] (2) Embedding solid lubricant: According to the working conditions of the bearing, select the use area of ​​the lubricant, and then drill holes to inlay the solid lubricant in the hole;

[0050] (3) Surface processing of bearings: Finishing is adopted, and processing is carried out by turning and grinding.

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Abstract

The invention discloses a bearing made of novel friction material wherein casting zinc alloy is used as a substrate, and a right amount of solid lubrication material is braided on the friction motionsurface, the zinc alloy basis material comprises copper, aluminum, zinc, magnesium, ferrum, silicon, lead, cadmium and tin, and is fabricated by the method of casting after melting. The zinc alloy self-lubricating bearing is featured by low fabrication cost for self-lubricating materials and simple process for manufacturing.

Description

Technical field [0001] The zinc alloy self-lubricating bearing of the present invention belongs to a bearing made of a new type of friction material and a production process for manufacturing the bearing in the field of self-lubricating bearings. Background technique [0002] At present, the existing self-lubricating bearings on the market are made of copper-based or bimetal-based inlaid self-lubricating materials. Copper-based self-lubricating bearing materials are expensive and cannot be selected for sliding bearings used in various construction machinery; bimetal-based self-lubricating bearings The production process of lubricating materials is complicated, the production cycle is long, and the dimensional accuracy is difficult to control, especially when the bearing parts are complex, the processing cannot be guaranteed. According to the existing problems of the prior art, the present invention adopts a new type of bearing with zinc alloy as the base material and inlaid ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C18/04F16C33/06F16C33/10F16C33/12F16C33/14
Inventor 赵长江于文华
Owner 赵长江
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