The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 07, 2021
Filed:
Sep. 12, 2019
National Cheng Kung University, Tainan, TW;
Yu-Lung Lo, Tainan, TW;
Hong-Chuong Tran, Tainan, TW;
NATIONAL CHENG KUNG UNIVERSITY, Tainan, TW;
Abstract
A method of performing powder bed fusion process is provided. A powder bed and a group of information of the powder bed are obtained. A powder bed simulation is performed to obtain a thickness of the powder bed and a packing density. Then, a group of parameters of a laser is obtained. A Ray Tracing simulation for the powder layer and a heat transfer simulation are performed. A first surrogate model is constructed to obtain first processing maps. The points in the first processing maps with the depths of the melt pool that are greater than a predetermined depth value and smaller than a laser beam radius are a first group of parameter values. A parameter setting operation is performed by using the first group of parameter values. A laser melting operation is performed, and a temperature distribution is measured by using an infrared thermal camera.