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Wire mesh edge sealing method

A metal mesh and metal wire technology, applied in the direction of online mesh, other household appliances, household appliances, etc., can solve the problems of wire mesh and wire frame de-soldering, unfavorable system use safety, complex processing technology, etc., and achieves wire mesh sealing. Reliable edge, simple production process and firm fixing effect

Inactive Publication Date: 2019-12-03
XIAN AIRCRAFT IND GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages of the existing edge sealing method are that there are many structural parts, complex processing technology, and the weight of the manufactured parts is large, and the wire mesh wire is easy to be desoldered from the mouth frame during use, which is not conducive to the safety of the system.

Method used

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  • Wire mesh edge sealing method

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Embodiment Construction

[0011] Refer to the attached drawing, in order to ensure that the brazing material adheres firmly when brazing the edge sealing of the wire mesh, the same metal as brazing must be used to electroplate the peripheral area of ​​the wire mesh before edge sealing and brazing, and the electroplated area If it is larger than the edge banding area, the entire wire mesh can be electroplated during implementation, so as to ensure that the edge banding of the wire mesh is uniform, the intersection points of the wire mesh are firmly bonded, and the edge banding area is flat, which is convenient for later installation and fixing.

[0012] The specific implementation is as follows:

[0013] 1) Metal mesh process preparation

[0014] Cut the shape of the selected wire mesh according to the size and shape of the air passage of the aircraft. If the wire mesh is embedded, the shape should be 1-2mm smaller than the inlay area.

[0015] 2) Metal mesh plating surface treatment

[0016] After cl...

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Abstract

A wire mesh edge sealing method comprises the steps that electroplating treatment is conducted on an area around a wire mesh, an edge sealing area needing to be subjected to edge sealing is determined, and the electroplating treatment area is larger than the edge sealing area; brazing filler metal fills the sealing edge of the wire mesh, the wire mesh grids in the sealing edge area are filled withthe brazing filler metal, and brazing filler metal covering layers are formed on the two sides of the sealing edge area of the wire mesh; and the brazing filler metal covering layers completely coverthe wire intersection points in the wire mesh edge sealing area.

Description

technical field [0001] The invention relates to an edge sealing method of a wire mesh in an aircraft engine nacelle ventilation cooling system. Background technique [0002] In the design and installation of the power system of the aircraft, in order to ensure that the ambient temperature in the engine compartment meets the temperature requirements of the accessories, the engine compartment needs to be ventilated and cooled. It is a common design method to use wire mesh as the ventilation and cooling channel. Due to air volume requirements, the grid spacing of the wire mesh used is relatively large. When the aircraft is flying for a long time, under the action of aerodynamic force, the wire at the edge of the wire mesh is easy to peel off from the edge gradually, which affects the continued use of the wire mesh. Therefore, in the design, it is a design difficulty to seal the edge of the wire mesh to prevent the wire mesh from falling off in a long-term ventilation and vibrat...

Claims

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Application Information

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IPC IPC(8): B21F27/00
CPCB21F27/00
Inventor 黄尚有阚玉平房静郭强
Owner XIAN AIRCRAFT IND GROUP
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