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Aluminum alloy structure temperature control method for high-speed jet additive repair

A temperature control method and high-speed jet technology, applied in the direction of manufacturing tools, metal processing equipment, auxiliary devices, etc., to prevent over-temperature damage to the original structure, meet the needs of high-speed jet additive repair, and ensure the normal progress

Pending Publication Date: 2021-03-19
SHENYANG AIRCRAFT DESIGN INST AVIATION IND CORP OF CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of this application is to provide a method for temperature control of aluminum alloy structure repaired by high-speed jet additives, so as to solve at least one problem existing in the prior art

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Embodiment Construction

[0037] In order to make the purpose, technical solution and advantages of the application more clear, the technical solution in the embodiment of the application will be described in more detail below in conjunction with the drawings in the embodiment of the application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the application. The embodiments described below by referring to the figures are exemplary, and are intended to explain the present application, and should not be construed as limiting the present application. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application. Embodiments of the present application will be described in detail below in conjunction with th...

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Abstract

The invention belongs to the field of additive repair, and particularly relates to an aluminum alloy structure temperature control method for high-speed jet additive repair. The method comprises the steps that firstly, a to-be-repaired part is obtained, an A-type measuring point and a B-type measuring point are selected on the part, a first temperature sensor is arranged at the A-type measuring point, and a second temperature sensor is arranged at the B-type measuring point; secondly, the alarm threshold of the first temperature sensor is set as a first alarm threshold, and the alarm thresholdof the second temperature sensor is set as a second alarm threshold; and thirdly, high-speed jet additive repair operation is conducted on the part, and when the first temperature sensor or the second temperature sensor gives an alarm, the high-speed jet additive repair operation is stopped immediately; and when a measured value of the first sensor reaches first preset temperature and a measuredvalue of the second sensor reaches second preset temperature, high-speed jet additive repair operation is conducted on the part again, and the current step is repeated unitl high-speed jet additive repair is completed.

Description

technical field [0001] The application belongs to the field of additive repair, and in particular relates to a temperature control method for repairing aluminum alloy structures by high-speed jet additive. Background technique [0002] The main load-bearing components of the aircraft body are prone to fatigue cracks due to the heavy load, and once damaged, it will directly endanger flight safety. This type of component has a complex structure, narrow construction access, and is often in a fuel environment, so the restrictions on crack repair methods are relatively strict. The traditional bolted connection reinforcement and adhesive reinforcement repair methods, as well as 3D printing and friction stir welding, which belong to additive manufacturing, are not competent. For this reason, a repair method based on high-speed jet additive is proposed. This method is based on the principle of jet technology. The particles are driven by high-pressure gas to form a high-speed partic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K28/00B23K37/00
CPCB23K28/00B23K37/00B23K37/003
Inventor 管宇曹奇凯陈亮
Owner SHENYANG AIRCRAFT DESIGN INST AVIATION IND CORP OF CHINA
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