Sand support composite double gantry additive manufacturing equipment and printing method
An additive manufacturing, double gantry technology, applied in the field of metal 3D printing, can solve the problem of time-consuming and laborious separation of printed parts and substrates, inability to manufacture, and inability to print support.
Active Publication Date: 2020-10-23
NANJING ZHONGKE RAYCHAM TECH
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Problems solved by technology
[0005] The purpose of the present invention is to provide a sand support composite double-gantry additive manufacturing equipment and printing method, aiming to solve the problem that ordinary arc additive manufacturing equipment cannot print supports, and cannot manufacture complex metal parts with characteristics such as large inclination angles and partial hollowing out. Time-consuming and labor-intensive problems when printing parts and substrates at the same time
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[0038] In order to better understand the technical content of the present invention, specific embodiments are given together with the attached drawings for description as follows.
[0039] Aspects of the invention are described in this disclosure with reference to the accompanying drawings, which show a number of illustrated embodiments. Embodiments of the present disclosure are not necessarily intended to include all aspects of the invention. It should be understood that the various concepts and embodiments described above, as well as those concepts and embodiments described in more detail below, can be implemented in any of a number of ways, which should be the concepts and embodiments disclosed by the present invention and not Not limited to any implementation. In addition, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.
[0040] combine figure 1 , 2 In the example shown, the present i...
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The invention provides a sand-supported composite double-gantry additive manufacturing equipment and printing method, including a metal 3D printing system, a sand mold 3D printing system, a double-gantry machine tool, a workbench and a control system. The metal 3D printing system is a powder-feeding metal 3D printing system. The printing system or arc fuse 3D printing system; the metal 3D printing system has a working head for metal 3D printing on the substrate; the sand mold 3D printing system has a printing nozzle for sand mold 3D printing, and the printing nozzle and the working head are fixed to the first On the connection board; the control system controls the printing nozzle and the working head to print metal parts and sand mold support operations layer by layer on the substrate alternately, wherein each layer of sand mold support is compacted by the pressure plate on the second connection board after printing. The invention can solve the problems that ordinary electric arc additive manufacturing equipment cannot print supports, and cannot manufacture complex metal parts with characteristics such as large inclination angles and partial hollowing out.
Description
technical field [0001] The present invention relates to the technical field of metal 3D printing, and specifically relates to a sand support composite double-gantry additive manufacturing equipment and a printing method. Background technique [0002] The additive manufacturing (3D printing) technology of complex structural parts of large metal materials is derived from the rapid prototyping (RP) technology, and has been widely valued and developed in China in the past ten years. The core process of this technology is to melt and deposit metal materials layer by layer in the form of spherical powder or wire through high-energy beams (including lasers, plasma beams or electron beams, etc.) with the assistance of numerical control equipment to form large structural parts. Different from the traditional "removal" cutting method, this technology uses the "growth" concept to deposit layer by layer, which greatly improves the utilization rate of raw materials; The preparation cycl...
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IPC IPC(8): B22F3/115B22F3/105B28B1/00B33Y30/00B33Y10/00
CPCB22F3/115B28B1/001B33Y30/00B33Y10/00B22F10/00B22F10/62B22F10/22B22F10/40B22F12/50B22F10/25B22F12/222B22F12/30Y02P10/25
Inventor 邢飞孙中刚夏振宇唱丽丽徐国建
Owner NANJING ZHONGKE RAYCHAM TECH