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Ultrasonic-assisted additive manufacturing forming method and device

A technology for additive manufacturing and molding devices, which is applied in the field of ultrasonic-assisted additive manufacturing molding methods and devices, can solve problems that affect the performance of molded workpieces, micropores, cracks, etc., and achieve the effect of improving grain refinement, low cost, and Performance-enhancing effects

Inactive Publication Date: 2022-06-03
HANGZHOU HIMALAYA INFORMATION TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

This kind of structure is anisotropic, and it is easy to cause defects such as micropores, deformation, cracks, etc., which seriously affects the performance of the formed workpiece.

Method used

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  • Ultrasonic-assisted additive manufacturing forming method and device
  • Ultrasonic-assisted additive manufacturing forming method and device

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Embodiment 1

[0032] like figure 1 and figure 2 As shown, an ultrasonic-assisted additive manufacturing molding device includes an ultrasonic generating system, a high-energy beam generating system, a control system, a power system, a molding platform, and a metal powder conveying and recycling system. The high-energy beam generating system adopts a fiber laser, so The control system controls the coordinated operation of each system of the additive manufacturing molding device, the power system provides electrical energy for the additive manufacturing molding device, and the metal powder is selected from In718 alloy powder.

[0033] Before the start of additive manufacturing, start the ultrasonic controller and adjust the input power, and the ultrasonic vibrator generates ultrasonic waves.

[0034] When the additive manufacturing starts, the powder supply platform rises to a certain height, and the scraper pushes the In718 metal powder in the powder supply bin to evenly spread on the form...

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Abstract

The invention relates to the technical field of additive manufacturing, in particular to an ultrasonic-assisted additive manufacturing forming method and device which comprises an ultrasonic generating system for generating ultrasonic waves, a high-energy beam generating system for melting metal powder, a control system, an electric power system, a forming platform for workpiece forming and a metal powder conveying and recycling system. The ultrasonic vibrators are placed below the forming platform and on the side wall of the forming cylinder, ultrasonic waves can be applied to the bottom or the periphery of the forming platform according to needs, the ultrasonic waves are applied in the metal additive manufacturing process and act on the solidification process of molten metal in a molten pool, columnar crystal grains are induced to be converted into equiaxed crystal grains, the structure of a formed part is improved, and the forming quality is improved. Forming defects are reduced, and formed part performance is improved.

Description

technical field [0001] The invention relates to the technical field of additive manufacturing, in particular to an ultrasonic-assisted additive manufacturing forming method and device. Background technique [0002] Additive manufacturing technology, commonly known as 3D printing technology, is based on the principle of discrete-stacking, using computer-controlled high-energy beams (laser beams / electron beams / arcs, etc.) to selectively melt pre-laid powders. The melted metal The powder forms a molten pool, and the molten metal rapidly cools and solidifies to form a melting point, and then gradually accumulates from points to lines, lines to surfaces, and surfaces and bodies to form workpieces. Compared with traditional processing technology, additive manufacturing technology has the advantages of high molding freedom, high material utilization rate, and short production cycle. It is widely used in aviation, aerospace, energy, medical and other fields. [0003] However, addit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F10/28B22F10/50B22F12/00B22F12/90B33Y10/00B33Y30/00
CPCB22F10/28B22F10/50B22F12/00B22F12/90B33Y10/00B33Y30/00Y02P10/25
Inventor 刘臻侯森王萧潘洲镇刘恺韦应千郭铸城郑子健
Owner HANGZHOU HIMALAYA INFORMATION TECH
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