3D printing powder supply quantity determination method, device, computer equipment and storage medium
A technology for 3D printing and determining methods, applied in the field of 3D printing, can solve the problems of reducing the utilization rate of powder and excessive powder, and achieve the effect of improving the utilization rate and reducing the amount of powder overflow.
Active Publication Date: 2021-02-12
HUNAN FARSOON HIGH TECH CO LTD
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Problems solved by technology
However, when the scanning area of some printing layers is small, if powder is spread on this printing layer, there will be a problem of more powder overflow due to excessive powder supply, which reduces the utilization rate of powder
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[0033] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.
[0034] The method for determining the amount of 3D printing powder supplied by this application can be applied to such as figure 1 The shown 3D printer 102 or a terminal 104 connected to the 3D printer for controlling the 3D printer. Wherein, the terminal 104 may be, but not limited to, various personal computers, notebook computers, tablet computers, and the like. It can be understood that when the 3D printer 102 is autonomously controlled, the method for determining the 3D printing powder supply is applied to the 3D printer 102;
[0035] In one embodiment, such as fi...
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The present application relates to a method, a device, a computer device and a storage medium for determining the powder supply amount of 3D printing. The method includes: dividing the scanning area of the printing layer according to the vertical direction of the powder coating; obtaining the total length of the intersection line between each division line and the scanning area based on the division result; according to the total length of the intersection line and the first powder coating length of the forming area, Determine the first weight of the first powder supply and the second weight of the second powder supply, the first powder supply is the powder supply in the zero scanning area, and the second powder supply is the powder supply in the full scanning area ; According to the first toner supply amount, the second toner supply amount, the first weight and the second weight, the toner supply amount of the printing layer is obtained. By dividing the scanning area, the first weight and the second weight are determined according to the total length of each division line and the intersection line of the scanning area, and the powder supply amount of the printing layer is obtained based on the weight of the scanning area, ensuring that the entire sintering plane is covered with powder Under the premise, reduce the amount of spilled powder, thereby improving the utilization rate of powder.
Description
technical field [0001] The present application relates to the technical field of 3D printing, in particular to a method, device, computer equipment and storage medium for determining the amount of 3D printing powder supplied. Background technique [0002] At present, additive manufacturing, that is, 3D printing technology, is attracting keen attention from domestic and foreign scholars, enterprises, the public and the government, and more and more researches on 3D printing technology. 3D printing is a technology based on digital model files, using bondable materials such as powdered metal or plastic, to construct objects by layer-by-layer printing through laser scanning. [0003] During the 3D printing process, the powder in the laser scanning area will solidify and shrink after melting and sintering, so that the plane of the scanning area will be lower than the entire powder laying plane. Therefore, the amount of powder required for the scanning area is more than that of th...
Claims
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IPC IPC(8): B29C64/393B33Y50/02
CPCB33Y50/02B29C64/393
Inventor 唐平徐峰刘礼庚
Owner HUNAN FARSOON HIGH TECH CO LTD