| 摘要 |
<p>The present invention relates to a printing head for a 3D printer and a 3D printer using the same. The printing head for a 3D printer includes: an inlet through which a glass wire, a raw material, is introduced; a heating part for heating the glass wire introduced through the inlet; a melting furnace providing a melting space in which the glass wire is melted; and a nozzle connected to a lower portion of the melting furnace for temporarily storing the melted glass or discharging a desired amount of the glass, wherein the melting furnace includes an external frame made of a heat-resistant material and an internal frame in a crucible shape, wherein the internal frame is composed of platinum (Pt) or graphite having a small contact angle or of a material having a surface coated with platinum (Pt) or diamond like carbon (DLC) in order to prevent the melted glass from sticking to one another. According to the present invention, not only thermoplastic resin, but also glass wire may be used as a raw material. In addition, thermal durability, chemical durability, and oxidation resistance of a molded product can be enhanced in the case of using the glass wire in comparison with the case of using the thermoplastic resin.</p> |
