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Three-dimensional deposition device and three-dimensional deposition method

  • US 10,639,740 B2
  • Filed: 03/20/2015
  • Issued: 05/05/2020
  • Est. Priority Date: 03/31/2014
  • Status: Active Grant
First Claim
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1. A three-dimensional deposition device for forming a three-dimensional shape by depositing a formed layer on a base unit, comprising:

  • a powder supplier which supplies a powder material toward the base unit;

    a light irradiator which irradiates the powder material supplied from the powder supplier toward the base unit with a light beam;

    a powder introducer which includes a plurality of storages storing the powder material to be supplied to the powder supplier; and

    a controller which controls operations of the powder supplier, the powder introducer, and the light irradiator so that the light beam is irradiated to the powder material, and the melted powder material is solidified on the base unit,wherein the powder introducer includes;

    a first storage storing a first powder material to be supplied to the powder supplier;

    a second storage storing a second powder material to be supplied to the powder supplier;

    a buffer which temporarily stores at least one of the first powder material supplied from the first storage and the second powder material supplied from the second storage;

    a powder switcher which controls (i) whether the first powder material is supplied to the buffer from the first storage and (ii) whether the second powder material is supplied to the buffer from the second storage;

    a distributer to which at least one of the first and second powder materials is supplied from the buffer through a powder supply tube;

    a branch tube which includes a plurality of tubes and connects between the distributor and the powder supplier, to which at least one of the first and second powder materials is supplied from the distributor and from which at least one of the first and second powder materials is supplied to the powder supplier.

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