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Aero-engine blade damage repair method

An aero-engine and repair method technology, applied in welding equipment, metal processing equipment, plasma welding equipment, etc., can solve problems such as large welding spatter, and achieve the effects of good forming accuracy, improved welding seam forming, and high welding accuracy

Inactive Publication Date: 2013-10-30
TIANJIN POLYTECHNIC UNIV
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Problems solved by technology

But above-mentioned method all does not fundamentally solve the problem that welding spatter is big

Method used

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  • Aero-engine blade damage repair method
  • Aero-engine blade damage repair method
  • Aero-engine blade damage repair method

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with the embodiments and accompanying drawings, but the specific embodiments do not limit the protection scope of the claims of the application.

[0026] The repair method (abbreviation repair method) of the aeroengine blade (abbreviation blade) damage designed by the present invention, see Figure 1-7 ) adopt the following equipment combination system and repair process:

[0027] The equipment combination system includes an ABB robot 1 and its accompanying program control system 2, welding power supply 3, plasma generator 4, wire feeder 5 and plasma welding torch 6; the robot 1 is connected with the program control system 2 through a control cable; the robot The program control system 2 and the welding power supply 3 adopt bus communication; the plasma generator 4 is connected with the welding power supply 3 through a control cable; the wire feeder 5 is installed on the robot 1 and connected with the ...

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Abstract

The invention discloses an aero-engine blade damage repair method. According to the repair method, a device combination system and a repair technology are adopted. The following device combination system comprises an ABB robot, a program control system, a welding power source, a plasma generator, a wire feeder and a plasma gun, the program control system, the welding power source, the plasma generator, the wire feeder and the plasma gun are attached to the ABB robot, the robot is in control connection with the program control system, the program control system of the robot is in control connection with the plasma generator, the plasma generator is connected with the welding power source by a bus, the wire feeder is mounted on the robot and connected with the plasma generator through a control cable, and a wire feed roll of the wire feeder and the plasma gun are mounted at the tail end of the robot. The repair technology includes: (1) performing segmented processing according to features of surface size and surface shape of a to-be-repaired blade; (2) setting a pulsed plasma heat input parameter of each segment; (3) setting a pulsed wire feeding control parameter; and (4) performing segmented plasma welding repair.

Description

technical field [0001] The invention relates to a welding technology, in particular to a method for repairing damage to an aeroengine blade. The method involves low heat input, plasma welding, precise welding forming and clean welding technology without spatter. Background technique [0002] At present, my country's aviation industry has initially possessed the ability to manufacture large aircraft, but in the maintenance of equipment, especially in the repair and reuse of high-thrust aero-engine blades, no major breakthroughs have been made in the past two decades. Passenger aircraft used in domestic civil aviation, due to domestic technical reasons, the damaged key hot-end parts-blades, are basically sent abroad for repair, the maintenance cost is high, and the maintenance cycle is long, which has become a constraint to the development of my country's civil aviation and aviation manufacturing industries. bottleneck. [0003] From the perspective of welding technology, the ...

Claims

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Application Information

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IPC IPC(8): B23K10/00
CPCB23P6/007
Inventor 李亮玉王天琪岳建锋浦鑫窦以红
Owner TIANJIN POLYTECHNIC UNIV
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