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Lamination molding apparatus

A layered shape, axial direction technology, applied in the direction of processing and manufacturing, solid material additive processing, additive processing, etc., can solve the problem of not being able to remove smoke and dust

Active Publication Date: 2016-02-10
SODICK CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] However, the methods disclosed in Patent Documents 1 and 2 may not be able to sufficiently remove the fumes, and it is necessary to remove the fumes more quickly and efficiently from the irradiation path of the laser light.

Method used

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Embodiment Construction

[0022] Embodiments of the present invention will be described below using the drawings. Various characteristic matters shown in the embodiments shown below may be combined with each other.

[0023] Such as Figure 1 ~ Figure 2 As shown, a powder layer forming device 3 is provided in a cavity 1 in a layered molding device according to an embodiment of the present invention. The powder layer forming device 3 includes: a base 4 having a modeling area R; a coating head 11 disposed on the base 4 and configured to be movable in a horizontal 1-axis direction (direction of arrow B); The long parts 9r, 9l are provided on both sides of the molding area R along the moving direction of the coating head 11 . In the modeling area R, settings can be made in the up and down direction ( figure 1 Arrow A direction) moving modeling table 5. When a stacked molding device is used, a molding plate 7 is arranged on the molding table 5, and a material powder layer 8 is formed on the molding plate...

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Abstract

An object of the present invention is to provide an improved lamination molding apparatus which can remove the fume swiftly and efficiently away from the optical pathway of the laser beam. According to the invention, the lamination molding apparatus, comprising a chamber covering a desired molding region and being filled with an inert gas of predetermined concentration; a recoater head capable of moving in a first horizontal uniaxial direction so as to supply a material powder in the molding region of the chamber and planarize the material powder supplied; and a fume suction opening provided on both sides of the recoater head along a second horizontal uniaxial direction crossing orthogonally with the first horizontal uniaxial direction, is provided.

Description

technical field [0001] The present invention relates to a stack molding device. Background technique [0002] In the laser-based metal powder sintering lamination method (light modeling), when a metal material powder is irradiated with laser light for sintering, a characteristic fume called fume is generated. [0003] The current optical molding machine (sintered lamination molding device) for molding metal objects is generally configured to operate such that material powder is dispersed in a cavity filled with an inert gas (usually nitrogen) and irradiated with laser light. [0004] If the smoke (Fume) fills the cavity, it may shield the laser, and the laser with the required energy cannot reach the sintered part. Therefore, clean inert gas is supplied while continuously discharging dirty inert gas in the cavity so that smoke and dust do not block the laser light (Patent Document 1: Japanese Patent No. 5243935). [0005] The soot is generated from the sintered part and ri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F3/105B33Y30/00
CPCB33Y30/00B29C64/153
Inventor 冈崎秀二川田秀一村中胜隆
Owner SODICK CO LTD
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