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US 2022/0048251 A1Published application
3d printer
AssigneesWonkwang E & Tech Co., Ltd., Conception Co., Ltd.
InventorsDong Geun Lee, Byeong Cheol Baek, Goo Sang Jung
Life of this patent
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Abstract
Disclosed is 3D printer that may precisely irradiate a laser to a spot where the laser is to be irradiated so that a precise three-dimensional product may be output, and prevent a temperature deviation from occurring inside a case including a product forming chamber to improve the quality of the output product, and increase the durability of the output product by enhancing the binding force between powder and powder applied to an output bed and maximizing the melting of the powder.
Claims12
A 3D printer having a heating device comprising:
- a powder supplying unit configured to accommodate a powder therein and supply the powder for forming a product;
- and
- a product forming unit configured to irradiate a laser to the powder supplied from the powder supplying unit and sinter the powder so that a 3D product is formed,
- wherein the powder supplying unit has a hopper form,
- wherein a first heater for generating heat is installed at the powder supplying unit to preheat a powder supplied to an output bed of the product forming unit and post-heat a powder stacked on the output bed of the product forming unit,
- wherein a second heater is installed at the output bed of the product forming unit to generate heat so that the heat and humidity of the stacked powder and the surface temperature of the output bed are kept constantly.
3 more elements
Dependencies are inferred from the claim text.