Titanium is the most desirable of all metal 3D printed materials because of its many advantages, such as low density, high strength, high melting point, and corrosion resistance. Now, in order to increase the public's understanding of 3D printing applications for this metal, the Titanium Processing Center (TPC), a titanium distributor in Michigan, USA, has released a guide called “Titanium 3D Printingâ€. It is understood that this guide uses pictures, texts and forms to describe exactly what can be made of titanium in 3D printing, when to use titanium, and why the market has high demand for it. Due to the large amount of content, I can only write some outlines here. I hope everyone can have a preliminary understanding of titanium 3D printing:
3D printed medical implants
At present, 3D printed titanium articles have been widely used in aerospace, dental, medical and other fields, especially for surgical implants. There are two main reasons for this: First, titanium is currently all metal 3D printing. The lightest and strongest material in the material, but also non-toxic and corrosion-resistant; second, 3D printing can not only achieve almost any complex geometry, but also low cost, and traditional processing methods (such as CNC machine tools and casting ) does not have these advantages. The highest precision that can be achieved with current technology when using titanium for 3D printing is a layer thickness of 0.25 mm and a wall thickness of 0.4 mm.
Titanium 3D printing powder
At present, the manufacturing equipment for 3D printing titanium metal articles is mostly a powder bed type 3D printer , and the process used is mostly direct metal laser sintering (DMLS) technology. During the manufacturing process, the machine first spreads a thin layer of fine titanium metal powder on the powder bed, then uses a carbon dioxide laser to sinter according to the design, and finally repeats, layer stacking until the entire object is completed.
3D printing titanium metal paddle
Since the raw material is used, the surface of the 3D printed titanium metal part is not typically smooth, but a gray rough shape. However, this problem can be solved with just a proper post-processing.
However, because there is no stainless steel-like combination and size limitation, not all objects can be printed with titanium 3D. Objects such as bicycle frames and mobile phone cases are fine, but larger ones are larger. No. In addition, since the powder bed cannot avoid the streaks between the layers after sintering, some objects with more edges and edges are not suitable.
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