Pure titanium 3D printing additive manufacturing method

Abstract

the invention provides a pure titanium 3D printing additive manufacturing method and belongs to the technical field of 3D printing additive manufacturing. The pure titanium 3D printing additive manufacturing method specifically comprises the following steps including three-dimensional modeling of a pure titanium thin-walled part; curved surface layered support establishing; selecting of materialsof the pure titanium component; printing of pure titanium thin-walled curved surfaces; heat treatment of the pure titanium thin-walled curved surface part; and polishing of the pure titanium thin-walled curved surface part. According to the pure titanium 3D printing additive manufacturing method, no mould is needed, the cost is not increased particularly when a complicated object is manufactured,the part manufacturing cost can be reduced greatly, and the part production period is shortened; meanwhile, the internal stress of the thin-walled part can be eliminated, and part deformation is prevented; and 3D printing further has the characteristics of high size precision, good surface quality and excellent formed part performance.

Description

technical field [0001] The invention belongs to the technical field of 3D printing additive manufacturing, and in particular relates to a pure titanium 3D printing additive manufacturing method. Background technique [0002] 3D printing is the reverse process of tomography, that is, parts are layered, printed layer by layer, and then superimposed together to become a three-dimensional object. The laser 3D printing additive manufacturing technology of pure titanium thin-walled curved surface parts melts pure titanium powder layer by layer through high-energy laser beams, and then realizes the manufacture of arbitrary pure titanium complex curved surface parts. This technology can not only overcome the low utilization rate of raw materials in traditional subtractive manufacturing, but also refine the grains, so that the structural strength of formed parts can be greatly improved. However, due to the characteristics of rapid heating and rapid cooling, high gradient heat-force-...

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Problems solved by technology

[0008] In order to solve the above-mentioned technical problems, the present invention provides a pure titanium 3D printing additive manufacturing method to solve the existing problems in the existing pure titanium additive manufacturing method that the mold adjustment is inconvenient and the cost is too high, the production cycle of the parts is too long and the size Problems with lower accuracy and lower surface quality

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