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3D printing method of suspended structural metal parts

A suspended structure, 3D printing technology, applied in the field of 3D printing manufacturing, can solve the problems of high manufacturing cost, low molding quality, low manufacturing efficiency, etc., and achieve the effect of controlling manufacturing cost, improving molding quality, and ensuring stability

Active Publication Date: 2021-03-19
SHENZHEN SILVER BASIS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a 3D printing method for suspended structural metal parts, aiming to solve the technical problems of low manufacturing efficiency, low molding quality and high manufacturing cost in the manufacture of suspended structural parts in the 3D printing method in the prior art

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  • 3D printing method of suspended structural metal parts

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Embodiment Construction

[0022] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0023] In describing the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or element...

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Abstract

The present invention relates to the field of 3D printing manufacturing technology, and provides a 3D printing method for suspended structural metal parts. The steps are as follows: first, select a printing orientation, which refers to the placement orientation of the suspended structural metal parts on the base platform; secondly , select the printing position of the support, the stress concentration part of the support on the suspended structural metal part is the support reference position; again, select the printing density of the support, the support is based on the weight of the upper suspended structural metal supported by Benchmark; finally, after the preparatory work is completed, printing and molding are carried out. The printing and molding process is as follows. The metal powder is laid layer by layer from bottom to top in the direction parallel to the base platform, and after each layer of metal powder is laid, the laser Sintering molding, after sintering is completed, another layer of metal powder is laid, and this cycle is repeated until the last layer of metal powder of the suspended structural metal part is sintered, that is, the top is capped.

Description

technical field [0001] The invention relates to the technical field of 3D printing and manufacturing, and in particular provides a 3D printing method for metal parts with suspended structures. Background technique [0002] Additive manufacturing technology is a general term for a technology that is directly driven by a CAD model and accumulates materials into solid parts layer by layer or point by point. Compared with traditional cutting technology, it is a "top-down, layered manufacturing, step by step The idea of ​​additive manufacturing "layer by layer". The 3D printing technology of metal parts is to lay the metal powder layer by layer, and then use laser sintering to sinter the laid metal powder, so that one layer is laid and one layer is fired until it is fully formed. [0003] The so-called suspended structural parts refer to parts with holes, pores and external extensions on the main body of the structure. In the process of using traditional metal 3D printing to ma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F3/105B22F5/10
CPCB22F5/10B33Y10/00B22F10/00B22F10/28Y02P10/25B22F10/20
Inventor 李芳伍世锋
Owner SHENZHEN SILVER BASIS TECH
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