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Improvement of working process to bimetal obturge part

A processing technology, bimetallic technology, applied in the field of processing technology of bimetallic sealed parts, can solve the problem of repeated entry and exit of parts

Active Publication Date: 2007-07-11
西安钢研高纳航空部件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The core content of this process is to change the heating method, and its purpose is to solve the problem of "repeating parts in and out of the resistance furnace by hand between each operation step".

Method used

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  • Improvement of working process to bimetal obturge part
  • Improvement of working process to bimetal obturge part

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Silver Alloy Pouring Operation Data Card

Embodiment 2

[0026] Silver Alloy Pouring Operation Data Card

Embodiment 3

[0029] The working parameters of induction heating equipment are as follows:

[0030] Device model: PU100-43-80-08-02

[0031] Working frequency range: 7000KHz----9500KHz

[0032] Working voltage adjustment range: 0-400V

[0033] Working current adjustment range: 0---0.8KA

[0034] Working power range: 0---30KW

[0035] Silver Alloy Composition:

[0036] Ag: 41.0-43.0 Cu: 16.0-18.0 Zn: 15.0-17.0 Cd: 24.0-26.0

[0037] Tough flux: ES-5 brazing flux produced by Wuxi Chemical Research Institute

[0038] The core of the process is to use high-frequency induction to place the parts in the induction heating coil for heating, and to obtain the required heating temperature by adjusting a certain output voltage and maintaining it for a certain period of time. Therefore, the parts are stationary between each operation step, which effectively solves the disadvantages of large consumption of alloy, high labor intensity, low production efficiency, and low quality stability.

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Abstract

The present invention relates to an improvement on processing process of bimetallic sealed part. It is characterized by that in the pouring procedure (1) placing part into the coil of induction heating furnace with 7000 HN2-9500KH2, regulating output voltage to 130-140V, preheating for 2-3min; (2) regulating output voltage to 180-230V, preheating for 3-4min, then pouring; (3) regulating output voltage to 210-330V, heating for 2-3min, then using tungsten wire, uniformly stirring along edge; (4) repeating operation of step (3) for 2-3 times, then water-cooling.

Description

technical field [0001] The invention relates to a processing technique for a bimetal sealing part, which belongs to the technical field of thermal processing. Background technique [0002] The melting point of the lining material for bimetallic sealing parts on aero-engines is 500-900°C. Normally, the process flow of bimetal parts production is shown in Figure 1. [0003] The core of the process is to heat the parts through the electric resistance furnace, therefore, it is necessary to manually move the parts in and out of the electric resistance furnace repeatedly between each operation step. Its main disadvantages are: large consumption of alloy, high labor intensity, low production efficiency and low quality stability. Contents of the invention [0004] The object of the present invention is just to design and propose a kind of processing technology of bimetallic sealing parts for above-mentioned problem. The core content of this process is to change the heating meth...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D19/08
Inventor 张文军杨凤祥
Owner 西安钢研高纳航空部件有限公司
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