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Three-dimensional modeling method and three-dimensional modeling apparatus

A technology of three-dimensional modeling and three-dimensional modeling, which is applied in the direction of manufacturing auxiliary devices, processing and manufacturing, manufacturing tools, etc., and can solve problems such as weakening of the interlayer strength of three-dimensional modeling objects

Pending Publication Date: 2022-05-27
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Here, when the next resin layer is laminated on the cured resin layer, the interlayer strength of the three-dimensional shape becomes weak.

Method used

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  • Three-dimensional modeling method and three-dimensional modeling apparatus
  • Three-dimensional modeling method and three-dimensional modeling apparatus
  • Three-dimensional modeling method and three-dimensional modeling apparatus

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Experimental program
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Embodiment Construction

[0033] like Figure 1 to Figure 3 As shown, the three-dimensional modeling apparatus 10 of the present embodiment is an apparatus that forms a three-dimensionally shaped object 14 by laminating resin materials 12 in a desired shape and integrating them. That is, the three-dimensional modeling apparatus 10 is a so-called 3D printer. In addition, the three-dimensional shaped object 14 can be formed in various shapes according to the use and the like.

[0034] The resin material 12 is a filament or particle made of thermoplastic resin such as ABS. In the following description, the case where the resin material 12 is a filament body of ABS will be described. In addition, the shape (for example, the diameter of filaments or particles) and the material of the resin material 12 can be appropriately set according to the application of the three-dimensional shaped object 14 and the like.

[0035] like figure 1 As shown, the three-dimensional modeling apparatus 10 includes a chamber...

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Abstract

In a three-dimensional molding method and a three-dimensional molding apparatus (10), when obtaining a three-dimensional molded object (14) by laminating a thermoplastic resin material (12), the resin material (12) is melted and the melted resin material (12) is laminated in a chamber (16) to form a resin layer (44). Next, the temperature of the resin layer (44) in the chamber (16) is maintained within a predetermined temperature range by adjusting the pressure in the chamber (16). Therefore, the residual stress generated in the three-dimensional modeling object can be reduced, and the interlayer strength of the three-dimensional modeling object can be ensured.

Description

technical field [0001] The invention relates to a three-dimensional modeling method and a three-dimensional modeling device. Background technique [0002] In a 3D printer using a fused deposition (FFF) method, a resin material having thermoplastic properties is melted and laminated to form a resin layer. In this way, a desired three-dimensional shaped object is obtained. In this case, the resin material is a filament or a pellet made of a thermoplastic resin such as acrylonitrile-butadiene-styrene (ABS). Here, when the next resin layer is laminated on the cured resin layer, the interlayer strength of the three-dimensional shaped object becomes weak. In addition, when a molten resin material is extruded from an extrusion equipment and laminated, if the surface of the resin layer formed by laminating the resin material is rapidly cooled, residual stress is generated in the three-dimensional molded object. [0003] Japanese Patent Application Laid-Open No. 3995933 discloses ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C64/106B29C64/20B29C64/393B33Y10/00B33Y30/00B33Y50/02
CPCB29C64/106B29C64/20B29C64/393B33Y10/00B33Y30/00B33Y50/02B29C64/118B29C64/364B29C64/25B33Y40/00
Inventor 奥中达哉伊藤辽高野文朋横井麻衣
Owner HONDA MOTOR CO LTD