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Dual-wavelength metal 3D printing light path device and 3D printing system

A 3D printing, dual-wavelength technology, applied in the field of 3D printing, can solve the problems of poor 3D printing effect and achieve good printing effect

Pending Publication Date: 2021-04-06
SHENZHEN SUNSHINE LASER & ELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the 3D printing scene, copper, aluminum, gold, silver and other metals have high reflectivity to the 1μm laser light generated by conventional fiber lasers, making the effect of 3D printing very poor

Method used

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  • Dual-wavelength metal 3D printing light path device and 3D printing system
  • Dual-wavelength metal 3D printing light path device and 3D printing system
  • Dual-wavelength metal 3D printing light path device and 3D printing system

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Embodiment Construction

[0029] In order to make the technical problems, technical solutions and beneficial effects to be solved by the embodiments of the present invention clearer, the following combination Figure 1 to Figure 3 And embodiment, the present invention is described in further detail. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0030] It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element. In addition, the connection can be used for both fixing and circuit communication.

[0031] It is to be understood that the terms "length", "width", "top", "bottom", "front", "rear", "left", "right",...

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PUM

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Abstract

The invention discloses a dual-wavelength metal 3D printing light path device and a 3D printing system. The device comprises a first laser device, a second laser device, a first collimation unit, a second collimation unit, a dichroic mirror, a galvanometer and a field lens; the wavelength of laser emitted by the first laser device is greater than that of laser emitted by the second laser device; and the first collimation unit, the dichroic mirror, the galvanometer and the field lens are sequentially arranged in the advancing direction of the laser emitted by the first laser device; the laser emitted by the second laser device can reach the dichroic mirror through the second collimation unit, and the dichroic mirror can enable the light spot of the laser emitted by the second laser device to surround the light spot of the laser emitted by the first laser device; and the absorptivity of metal to the laser emitted by the second laser device is greater than the absorptivity of the metal to the laser emitted by the first laser device. The system involves the device. The dual-wavelength metal 3D printing light path device and the 3D printing system can achieve fine printing.

Description

technical field [0001] The invention relates to the technical field of 3D printing, in particular to a dual-wavelength metal 3D printing optical path device and a 3D printing system. Background technique [0002] In the 3D printing scene, copper, aluminum, gold, silver and other metals have a high reflectivity to the 1 μm laser light generated by conventional fiber lasers, making the 3D printing effect very poor. [0003] The disclosure of the above background technical content is only used to assist in understanding the inventive concepts and technical solutions of the present invention, and it does not necessarily belong to the prior art of the present invention. There is no clear evidence that the above content has been disclosed before the filing date of the present invention. In some cases, the above background technology should not be used to evaluate the novelty and inventiveness of the present invention. Contents of the invention [0004] The present invention pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F12/41B22F12/00B22F12/44B33Y30/00B33Y40/00
CPCB22F3/003B33Y30/00B33Y40/00
Inventor 马建立侯若洪
Owner SHENZHEN SUNSHINE LASER & ELECTRONICS TECH CO LTD
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