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METHOD AND APPARATUS FOR GENERATING A MOLTEN RAW MATERIAL FOR THREE-DIMENSIONAL PRINTING

  • US 20190314891A1
  • Filed: 11/24/2017
  • Published: 10/17/2019
  • Est. Priority Date: 11/26/2016
  • Status: Active Grant
First Claim
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1. A method for generating a molten raw material for three-dimensional printing, in which a solid raw material is heated to obtain the molten raw material, and a guiding device is adopted to guide a movement of the solid raw material in a process of generating the molten raw material;

  • the guiding device is provided with an input end and an output end, the solid raw material is input from the input end of the guiding device, and the solid raw material or the molten raw material is output from the output end of the guiding device;

    the molten raw material generated is accumulated on a printed object or on a support platform of a three-dimensional printing apparatus;

    the printed object is an object generated through accumulation of the molten raw material in a process of three-dimensional printing, and the support platform is a device or structure, configured to support the printed object in the process of three-dimensional printing, of the three-dimensional printing apparatus;

    wherein;

    the solid raw material is heated to a molten state by electromagnetic induction at the output end of the guiding device and/or outside the output end of the guiding device and thus a molten segment is formed;

    the molten segment generated is only in contact with the solid raw material and is supported by the solid raw material before being in contact with the printed object and/or the support platform;

    the molten segment generated is in contact with the solid raw material, the printed object and/or the support platform and is not in contact with other structures after being in contact with the printed object and/or the support platform, and the molten segment is supported by being in contact with the solid raw material, the printed object and/or the support platform;

    the molten segment is namely the molten raw material; and

    the solid raw material used is meltable through electromagnetic induction heating.

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