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Processing method of integral guide apparatus

A processing method and technology of guides, which are applied in the direction of machines/engines, stators, engine components, etc., can solve problems such as cracking of brazing seams, and achieve the effects of precise dimensions, reduced manufacturing costs, and improved processing efficiency

Active Publication Date: 2017-03-22
SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the defect that the brazing seam of the inner edge plate of the integral guide blade is prone to cracking in the prior art, the problem to be solved by the present invention is to provide a processing method of the integral guide that can completely solve the cracking of the brazing seam

Method used

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  • Processing method of integral guide apparatus
  • Processing method of integral guide apparatus
  • Processing method of integral guide apparatus

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Experimental program
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Effect test

Embodiment 1

[0028] (1) Part status

[0029] The integral guide is composed of front mounting edge 1, rear mounting edge 5, blade assembly (18 pieces) 6, bellows 3 and bellows front ring 2. The structure of the integral guide is as follows: figure 1 shown. The material of the front mounting edge 1, the rear mounting edge 5 and the bellows front ring 2 is GH3044 superalloy, the material of the bellows 3 is GH3030 superalloy, and the material of the blade assembly (18 pieces) 6 is K403 superalloy.

[0030] (2) Processing equipment

[0031] The main processing equipment includes: vacuum electron beam welding machine, energy storage spot welding machine, vacuum brazing furnace and large lathe.

[0032] (3) Implementation process

[0033] Step 1: Processing preparation

[0034] Pre-assemble the front mounting edge 1, blade (18 pieces) 6, and rear mounting edge 5 on the assembly fixture, and control the amount of misalignment between the blade edge plate assembly edges by selecting blades to...

Embodiment 2

[0052] (1) Part status

[0053] The integral guide is composed of front mounting edge 1, rear mounting edge 5, blade assembly 618 pieces), bellows 3 bellows front ring 2, and the structure of the integral guide is as follows figure 1 shown. The material of the front mounting 1, the rear mounting edge 5 and the bellows front ring 2 is GH4648 superalloy, the material of the bellows 3 is GH3030 superalloy, and the material of the blade assembly (18 pieces) is K403 superalloy.

[0054] (2) Processing equipment

[0055] The main processing equipment includes: vacuum electron beam welding machine, energy storage spot welding machine, vacuum brazing furnace, large lathe.

[0056] (3) Implementation process

[0057] Step 1: Processing preparation

[0058] Pre-assemble the front mounting edge 1, blade 6a (18 pieces), and rear mounting edge 5 on the assembly fixture, and control the amount of misalignment between the blade edge plate assembly edges by selecting blades to be no more ...

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Abstract

The invention relates to a processing method of integral guide apparatus. The processing method comprises the following steps: processing preparation: a front mounting edge, blades and a rear mounting edge are preassembled, and the blades are numbered in sequence; electron beam welding; assembly and fixing: a brazing material is prearranged; vacuum brazing: the surface, making contact with components, of each clamp for component welding is brushed with a welding stop flux; then the components are placed on a clamp base plate with the rear mounting edge facing downwards, and an interval between the bottom surface of the inner edge plate of each blade and the clamp base plate is not larger than 0.10 mm; two ring clamps with spigots are arranged on inner rings and outer rings of the components respectively, the clamped and fixed components are placed into a vacuum furnace together with the clamps for brazing, and stress-relief heat treatment of bellows components is performed simultaneously; combined machining. The processing method thoroughly solves the problem that part of brazing joints on the inner edge plates of the blades crack during processing of the integral guide apparatus, the component machining stress is small, and the dimensions are precise; the manufacture cost is reduced, and the processing efficiency is increased.

Description

technical field [0001] The invention relates to a manufacturing technology of an aero-engine, in particular to a processing method of an integral guide. Background technique [0002] The integral guide is an important part of the aero-engine. It is mainly composed of front mounting edge, rear mounting edge, blade assembly (18 pieces), bellows, and bellows front ring. The material of the parts is nickel-based superalloy. The processing and manufacturing of the guide It is mainly completed by welding and machining. The original processing process of the integral guide is: single-piece machining, brazing between the blade edge plates and between the blade edge plates and the front and rear mounting edges, intermediate machining datum, argon arc welding bellows and machining process parts , heat treatment for stress relief, and combined machining; the common problem in the process of processing multiple guides according to this process is that the inner edge of the blade of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00F01D9/02
CPCB23P15/00F01D9/02
Inventor 孔庆吉杜静宋文清李晓光张磊先
Owner SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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