Positioning method used for SLM (Selective Laser Melting) mixed processing procedure
A positioning method and processing technology, which is applied in the direction of additive processing, process efficiency improvement, additive manufacturing, etc., can solve the problems of long adjustment time and poor processing accuracy, and achieve the effect of saving costs and improving processing efficiency
Inactive Publication Date: 2017-10-24
东莞光韵达光电科技有限公司
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Problems solved by technology
Human visual error and measurement error lead to the forming accuracy of hybrid manufacturing can only reach 0.2mm. It can be seen that this processing method not only takes a long time to adjust, but also has poor processing accuracy, which directly limits the application of hybrid manufacturing in the forming of precision parts.
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[0022] The present invention will be further elaborated below in conjunction with accompanying drawing:
[0023] Such as figure 1 As shown, the positioning method in the SLM hybrid processing process of the present invention comprises the following steps:
[0024] Step A, after the mechanical processing is completed, install the mechanical processing part on the 3D printing platform;
[0025] Step B. Determine the processing surface that needs to be 3D printed on the mechanical processing part, take pictures of the above processing surface with a shooting tool, and transmit the photo to the processor; wherein, the processor can be an electronic product such as a mobile phone, a PC computer or a tablet computer. The processor may also be a built-in processor of the 3D printer.
[0026] Step C, the processor establishes two-dimensional coordinates in the photo based on the above-mentioned processed surface;
[0027] Step D, setting the position coordinates of the 3D printing ...
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The invention relates to a positioning method used for an SLM (Selective Laser Melting) mixed processing procedure. The positioning method comprises the following steps of A, installing a machining part on an SLM processing platform; B, ensuring machined surfaces, needing to be subjected to SLM processing, on the machining part, shooting the machined surfaces with shooting tools and transferring photos to a processor; C, establishing two-dimensional coordinates by the processor on the photos on the basis of the machined surfaces; D, setting SLM processing data position coordinates through the processor in combination with the SLM processing platform and the two-dimensional coordinates; and E, transferring the SLM processing data position coordinates to a 3D printer and carrying out printing operation through the 3D printer. Through the positioning method, when the 3D printer conducts the SLM processing procedure, there is no need to repeatedly print multiple layers or adjust positions, one-time positioning is realized, and not only is processing efficiency improved but also cost is saved.
Description
technical field [0001] The invention relates to the field of laser selective melting technology (SLM), in particular to a positioning method in the mixed processing of SLM. Background technique [0002] With the development of metal 3D printing technology, its application in aerospace, automotive, medical, mold and other fields is becoming more and more extensive. The slow forming speed and high processing cost of metal 3D printing are the main constraints restricting its promotion and application in the market. [0003] SLM hybrid processing / manufacturing perfectly combines traditional machining and 3D printing manufacturing. The parts with simple structures are formed by traditional machining methods, and the parts with complex interiors that are difficult to form are formed by 3D printing, realizing high-speed, efficient and low-cost processing of complex parts. This application greatly improves the speed of 3D printing of metal parts, reduces the production cost of part...
Claims
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IPC IPC(8): B22F3/105B33Y10/00B33Y50/02
CPCB33Y10/00B33Y50/02B22F10/00B22F12/90B22F10/28B22F10/31Y02P10/25
Inventor 侯若洪戴玉宏陈世锦王振兴
Owner 东莞光韵达光电科技有限公司