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Solid freeform fabrication powder material

A three-dimensional modeling, powder material technology, applied in the direction of additive processing of solid materials and liquid materials, processing and manufacturing, additive manufacturing, etc. Effect

Active Publication Date: 2017-08-04
RICOH KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] However, in Patent Documents 1 and 2, calcium carbonate and various resin materials are used as filler materials, but there is no description at all about the need for high-strength metal three-dimensional sintered products, and they cannot be applied to the above-mentioned problems.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0224] -Production of organic material particle 1-

[0225] Polyvinyl alcohol JMR-20H (density 1.2g / cm 3 , Japan Vam & Poval Co., Ltd.) was spray-dried to produce organic material particles 1 . The volume average particle diameter of the organic material particles 1 was 7.6 μm.

[0226] -Production of powder material 1-

[0227] Compared with stainless steel particles (SUS316L) PSS316L (volume average particle diameter 8.1 μm, aspect ratio 0.93, density 7.98 g / cm2) as metal particle 1 3 , Sanyo Special Steel Co., Ltd.) 99 parts by mass (93.7% by volume), 1 part by mass (6.3% by volume) of organic material particles was added, fully stirred and mixed with a mixer, and powder material 1 was produced.

[0228]

[0229] The volume average particle diameters of the organic material particles and the metal particles were measured using a particle diameter measuring device Microtrac HRA (manufactured by Nikkiso Co., Ltd.).

[0230]

[0231] The aspect ratio (average value) of...

Embodiment 2

[0247] -Production of organic material particle 2-

[0248] Polyvinyl alcohol JMR-20H (density 1.2g / cm 3 , manufactured by Japan Vam&Poval Company) was changed to polyvinyl alcohol JMR-10HH (density 1.2g / cm 3 , manufactured by Vam & Poval Corporation in Japan), except that, the organic material particle 2 was produced in the same manner as the organic material particle 1 . The volume average particle diameter of the organic material particles 2 was 3.3 μm.

[0249] -Production of powder material 2-

[0250] Except having changed the organic material particle 1 into the organic material particle 2, it carried out similarly to the powder material 1, and produced the powder material 2.

[0251] -Production of three-dimensional figure 2-

[0252] The three-dimensional shaped object 2 was produced in the same manner as the three-dimensional shaped object 1 except that the powder material 1 was changed to the powder material 2 .

Embodiment 3

[0254] -Production of organic material particles 3-

[0255] Polyvinyl alcohol JMR-20H (density 1.2g / cm 3 , manufactured by Japan Vam & Poval Company) was changed to Gohsenx Z-100 (manufactured by Nippon Synthetic Chemical Industry Co., Ltd.) of acetoacetyl-modified polyvinyl alcohol, and the organic material particle 3 was produced in the same way as the organic material particle 1. The volume average particle diameter of the organic material particles 3 was 5.8 μm.

[0256] -Production of powder material 3-

[0257] The powder material 3 was produced in the same manner as the powder material 1 except that the organic material particle 1 was changed to the organic material particle 3 .

[0258] -Modulation of liquid material 2-

[0259] Liquid material 2 was prepared in the same manner as liquid material 1 except that 3 parts of Zircosol AC-20 (manufactured by Daiichi Razor Chemical Industry Co., Ltd.) of basic zirconium carbonate ammonium was further added as a crosslinki...

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Abstract

The invention relates to a solid freeform fabrication powder material, a solid freeform fabrication combo, a manufacturing method of a solid freeform fabrication object, and a manufacturing method of a solid freeform sintered compact. The solid freeform fabrication powder material includes a metal particle, and a water-soluble organic material particle. The water-soluble organic material particle accounts for 2-18 percent by volume of the solid freeform fabrication powder material and the water-soluble organic material particle has a volume average particle diameter of 3-15 [mu]m.

Description

technical field [0001] The present invention relates to a powder material for three-dimensional modeling, a kit for three-dimensional modeling, a method for manufacturing a three-dimensional modeling object, a method for manufacturing a three-dimensional sintered object, and a manufacturing device for a three-dimensional modeling object. Background technique [0002] Instead of the conventional method of producing three-dimensional objects using a molding die, in recent years, an on-demand layered modeling method using a three-dimensional (3D) printer capable of producing more complex and detailed three-dimensional objects has been proposed. In particular, the powder lamination method is used when producing three-dimensional objects made of metals and inorganic compounds. As one of the powder lamination methods, it is possible to enumerate lamination of powder materials for three-dimensional modeling containing particles of metals, inorganic compounds, etc., and giving liqui...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F3/22B22F3/105B22F1/00B33Y70/00B22F1/052B22F1/065B22F1/10
CPCB22F3/225B22F10/00B22F1/065B22F1/10B22F10/73B22F10/34B22F10/14B22F12/63B22F10/64B33Y70/10B29C64/165B33Y10/00Y02P10/25B33Y30/00B29K2029/04B29K2033/00B29K2071/02B29K2083/00B29K2505/02B29K2505/08B29K2505/10B29K2505/12
Inventor 山下康之铃木康夫岩附仁草原辉树山口刚男齐藤拓也田元望
Owner RICOH KK
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