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Device and method for printing large titanium alloy part through laser coaxial fuse

A titanium alloy and laser technology, applied in the direction of additive manufacturing, additive processing, etc., can solve problems such as constraints, achieve high material utilization, realize free manufacturing, and reduce production

Active Publication Date: 2021-03-26
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to overcome the above shortcomings, provide a device and method for printing large titanium alloy parts with laser coaxial fuse, solve the problem that the size of large titanium alloy parts is restricted by the size of the anti-oxidation device in the additive manufacturing process, and realize large Free manufacturing of titanium alloy parts

Method used

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  • Device and method for printing large titanium alloy part through laser coaxial fuse
  • Device and method for printing large titanium alloy part through laser coaxial fuse
  • Device and method for printing large titanium alloy part through laser coaxial fuse

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Embodiment

[0037] Firstly, the optical fiber is inserted into the laser adapter 13 by the optical fiber connector 1. After being reflected by the internal optical path, it is emitted by the optical mirror 14 to form a ring-shaped spot focused on the bottom 10 mm of the wire feeder 15. The energy generated by the laser focus is used to melt the wire for additive manufacturing. The wire is sent into the laser through the wire feeder from the wire feeder joint 5 through the wire feeder 15 to realize coaxial wire feeding in the laser. The optical fiber of the laser cleaning equipment is connected to the laser adapter 13 by the laser cleaning fiber connector 12 and connected to the laser cleaning head 11 for laser cleaning, wherein the first stepper motor 4 can control the rotary table 9 to rotate in any direction in the X-Y plane for laser cleaning , the second stepping motor 6 can drive the laser cleaning head 11 to move radially along the moving guide rail 10 to ensure the laser cleaning ra...

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Abstract

The invention discloses a device and method for printing a large titanium alloy part through a laser coaxial fuse. According to the device, a light mirror and a wire feeding nozzle are coaxially arranged, and a wire is conveyed to a laser melting pool from the interior of light to achieve deposition in any direction. A laser cleaning device is used for cleaning the deposited part in real time to remove an oxide layer on the surface of the deposited part to ensure interlayer bonding. The device and method are mainly applied to laser fuse additive manufacturing of the large titanium alloy part and is used for achieving free manufacturing of the large titanium alloy part, and a large anti-oxidation device is not required to be customized according to the printing size to protect the printed deposition part. High-efficiency additive manufacturing of titanium alloy parts of any size can be achieved.

Description

technical field [0001] The invention belongs to the field of titanium alloy / laser fuse / laser additive manufacturing (3D printing), in particular to a device and method for printing large titanium alloy parts with laser coaxial fuse. Background technique [0002] Titanium alloy has outstanding advantages such as low density, high strength, and corrosion resistance. It is used more and more in equipment such as advanced fighter jets, large aircraft, high-thrust-to-weight ratio aeroengines, and industrial heavy-duty gas turbines. For example, the titanium alloy structure in Boeing 787 large passenger aircraft The amount of parts has exceeded 15% of the weight of the airframe structure. The amount of titanium alloy structural parts in the fourth-generation fighter F-22 of the United States is as high as 41%, and the amount of titanium alloy in high-thrust ratio aero-engines reaches 25% to 40%. To increase the structural weight of equipment, improve equipment performance, service...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F10/20B22F12/50B22F10/50B33Y30/00B33Y10/00B33Y40/00
CPCB33Y30/00B33Y10/00B33Y40/00Y02P10/25
Inventor 方学伟李帛洋黄科孙斌蒋笑王永信
Owner XI AN JIAOTONG UNIV
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