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Method and equipment for manufacturing Babbitt alloy bearing bush

The technology of a babbitt alloy and a manufacturing method is applied in the manufacturing field of sliding bearings, which can solve the problems of slow temperature rise and the like, and achieve the effects of rapid heat generation, obvious energy saving effect and improved production efficiency.

Active Publication Date: 2020-04-14
ZHENGZHOU RES INST OF MECHANICAL ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention welds the babbitt alloy sleeve and the bearing bush assembly through rotating friction, generates heat quickly through rotating friction, reduces a large amount of energy consumption caused by traditional overall heating, and has an obvious energy-saving effect; solves the problem of the traditional way of heating the bearing bush base The problem of slow temperature rise can greatly improve production efficiency

Method used

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  • Method and equipment for manufacturing Babbitt alloy bearing bush
  • Method and equipment for manufacturing Babbitt alloy bearing bush
  • Method and equipment for manufacturing Babbitt alloy bearing bush

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0089] A method for manufacturing a babbitt alloy bearing bush, comprising the following steps:

[0090] (a) Rough bearing bush pretreatment

[0091] 1) Process the purchased standard-sized sliding bearing blanks through lathes, milling machines, etc., to remove burrs, flashes, etc.;

[0092] 2) Heat treatment and cooling treatment of the rough bearing bush: put the bearing bush in a heating furnace and heat it to 400°C, then heat it to 700°C and keep it warm for 6 hours; take the bearing bush out of the heating furnace with iron clamps and cool it to room temperature;

[0093] 3) Use a grinder to grind the inside of the bearing bush to remove the oxide layer, and after grinding, clean the bearing bush with a saturated zinc chloride solution, that is, apply the saturated zinc chloride solution to the inside of the bearing bush;

[0094] 4) The cleaned bearing blank is placed in a holding furnace for preheating, the preheating temperature is 200°C, and the preheating time is 4...

Embodiment 2

[0110] A method for manufacturing a babbitt alloy bearing bush, comprising the following steps:

[0111] (a) Rough bearing bush pretreatment

[0112] 1) Process the purchased standard-sized sliding bearing blanks through lathes and milling machines to remove burrs, flashes, etc.;

[0113] 2) Heat treatment and cooling treatment of the rough bearing bush: put the bearing bush in a heating furnace and heat it to 380°C, then heat it to 710°C and keep it warm for 5 hours; take the bearing bush out of the heating furnace with iron clamps and cool it to room temperature;

[0114] 3) Use a grinder to grind the inside of the bearing bush to remove the oxide layer, and after grinding, clean the bearing bush with a saturated zinc chloride solution, that is, apply the saturated zinc chloride solution to the inside of the bearing bush;

[0115] 4) The cleaned bearing blank is placed in the holding furnace for preheating, the preheating temperature is 190°C, and the preheating time is 45m...

Embodiment 3

[0131] A method for manufacturing a babbitt alloy bearing bush, comprising the following steps:

[0132] (a) Rough bearing bush pretreatment

[0133] 1) Process the purchased standard-sized sliding bearing blanks through lathes and milling machines to remove burrs, flashes, etc.;

[0134] 2) Heat treatment and cooling treatment of the rough bearing bush: put the bearing bush in a heating furnace and heat it to 410°C, then heat it to 690°C and keep it warm for 5.5h; take the bearing bush out of the heating furnace with iron clamps and cool it to room temperature;

[0135] 3) Use a grinder to grind the inside of the bearing bush to remove the oxide layer, and after grinding, clean the bearing bush with a saturated zinc chloride solution, that is, apply the saturated zinc chloride solution to the inside of the bearing bush;

[0136] 4) The cleaned bearing blank is placed in the holding furnace for preheating, the preheating temperature is 220°C, and the preheating time is 30 min...

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Abstract

The invention relates to the technical field of manufacturing of sliding bearings, in particular to a method and equipment for manufacturing a Babbitt alloy bearing bush. The manufacturing method of the Babbitt alloy bearing bush comprises the following steps: the Babbitt alloy sleeve is arranged in the bearing bush assembly part in a sleeving mode, the Babbitt alloy sleeve and the bearing bush assembly part relatively rotate and rub to enable the outer layer of the Babbitt alloy sleeve to be molten, and welding of the Babbitt alloy sleeve and the bearing bush assembly part is completed. The Babbitt alloy sleeve and the bearing bush assembly part are welded in a rotary friction mode, the rotary friction self-heat-production speed is high, a large amount of energy consumption caused by traditional overall heating is reduced, the energy-saving effect is obvious, the problem that a traditional bearing bush base body heating mode is slow in temperature rise is solved, the production efficiency can be greatly improved, and the beneficial effects of saving energy, reducing emission, saving materials, improving quality, improving efficiency, protecting the environment and the like are achieved.

Description

technical field [0001] The invention relates to the technical field of manufacturing sliding bearings, in particular to a method and equipment for manufacturing a babbitt alloy bearing bush. Background technique [0002] Babbitt alloy, also known as white metal (including tin-based bearing alloy and lead-based bearing alloy), is composed of two parts: hard phase and soft phase matrix. The hard phase is evenly distributed on the soft phase matrix. The soft phase matrix has very good compliance, embedding and anti-seizure properties. After the bearing is run-in, the soft matrix is ​​concave, and the hard point is convex, so that the shaft and the bearing bush slide A small gap is formed between the surfaces, forming a natural oil storage space and lubricating oil channel, which greatly reduces friction; at the same time, the hard phase particles embedded in the soft matrix play a role in supporting the shaft, which is conducive to bearing. Therefore, Babbitt alloys are widely...

Claims

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Application Information

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IPC IPC(8): B23K20/12B23K20/16B23K20/24B23P15/00
CPCB23K20/122B23K20/1275B23K20/128B23K20/16B23K20/1235B23K20/24B23P15/00
Inventor 董宏伟龙伟民钟素娟张冠星薛行雁纠永涛常云峰王蒙
Owner ZHENGZHOU RES INST OF MECHANICAL ENG CO LTD
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