Composition for manufacturing three-dimensional printed article, method for manufacturing three-dimensional printed article, and device for manufacturing three-dimensional printed article
A technology of three-dimensional modeling and manufacturing methods, which is applied in the directions of processing and manufacturing, manufacturing tools, and additive manufacturing, etc., and can solve problems such as abnormal shape of molten flying objects, reduction of dimensional accuracy of three-dimensional modeling objects, particle scattering, etc.
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Embodiment 1
[0338] [1] Manufacture of composition for three-dimensional modeling
[0339] SUS316L powder with an average particle diameter of 3.0 μm: 100 parts by mass, glycerin as a solvent: 28.33 parts by mass, nanocellulose composed of cellulose: 0.071 parts by mass, and polyvinyl alcohol: 0.9 parts by mass were mixed to obtain A composition for forming a solid part as a composition for producing a three-dimensional figure (see Table 1). In the thus obtained composition for forming a solid portion, the surface of the constituent particles of the SUS316L powder was covered with nanocellulose.
[0340] In addition, aluminum oxide powder with an average particle diameter of 3.0 μm: 100 parts by mass, glycerin as a solvent: 28.33 parts by mass, nanocellulose composed of cellulose: 0.071 parts by mass, and polyvinyl alcohol: 1.2 parts by mass were mixed, Thus, a composition for forming a support portion as a composition for producing a three-dimensional figure was obtained (see Table 2). ...
Embodiment 2～9
[0352] Except setting the compositions of the composition for forming a solid part and the composition for forming a support part as shown in Table 1 and Table 2, a composition for producing a three-dimensional figure was produced in the same manner as in Example 1 above (production of a three-dimensional figure). Composition kit), three-dimensional modeling objects.
Embodiment 10
[0354] A three-dimensional figure was produced in the same manner as in Example 1 above, except that only the composition for forming a solid part was used as the composition for producing a three-dimensional figure, and the composition for forming a support part was not used (the first pattern forming step was omitted). Compositions for object manufacturing, three-dimensional modeling objects.
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Abstract
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