Improvement of working process to bimetal obturge part

A processing technology and bi-metal technology, which is applied in the field of improvement of the processing technology of bi-metal sealing parts, and can solve the problems of repeated entry and exit of parts.

Active Publication Date: 2006-05-24
西安钢研高纳航空部件有限公司
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

The core content of this kind of improvement is to change the heating method, and its purpose is to solve the problem of "need to rely on manual movement of parts in and out of the resistance furnace repeatedly 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

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Embodiment Construction

[0016] Below in conjunction with embodiment technical solution of the present invention will be described in further detail:

[0017] See attached figure 2 As shown, it expresses the technological process of using electromagnetic induction heating to produce bimetallic sealing parts in this technical scheme.

[0018] In the above process, the pre-treatment, post-treatment and alloy melting procedures are consistent with the existing technical solutions, the technical solution of the present invention only improves the pouring and subsequent related processes, the process steps are:

[0019] (1) Put the parts in the coil of the 7000KHz~9500KHz induction heating furnace, adjust the output voltage to 130~140V, and preheat for 2~3 minutes;

[0020] (2) Adjust the output voltage to 180-230V, preheat it for 3-4 minutes and pour it;

[0021] (3) Adjust the output voltage to 210-330V for heating for 2-3 minutes, and then stir evenly with a tungsten wire;

[0022] (4) Repeat the op...

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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 is an improvement to the processing technology of bimetal sealing parts, which belongs to thermal processing [0002] technology field. Background technique [0003] The melting point of the lining material for bimetallic sealing parts on aero-engines is 500-900°C. Usually, the process flow of bimetallic parts production is shown in the appendix figure 1 shown. [0004] 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 [0005] The object of the present invention is to design and propose a kind of improvement measure to the processing technology of bimetallic sealing parts in view of the above-mentioned pr...

Claims

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Application Information

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Patent Type & Authority Applications(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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