APPLICATION OF ELECTRON BEAM MELTING (EBM) IN ADDITIVE MANUFACTURING OF AN IMPELLER

被引：18

作者：

Tan, Xepeng ^{[1
]}

Kok, Yihong ^{[1
]}

Tor, S. B. ^{[1
]}

Chua, C. K. ^{[1
]}

机构：

[1] Nanyang Technol Univ, NTU Addit Mfg Ctr, Sch Mech & Aerosp Engn, Singapore 637372, Singapore

来源：

PROCEEDINGS OF THE 1ST INTERNATIONAL CONFERENCE ON PROGRESS IN ADDITIVE MANUFACTURING | 2014年

关键词：

D O I：

10.3850/978-981-09-0446-3_076

中图分类号：

Q813 [细胞工程];

学科分类号：

摘要：

An industrial impeller has been successfully fabricated by using Ti-6Al-4V ELI powder via a newly installed Arcam A2XX electron beam melting (EBM) machine. EBM was found to be preferable to build the circular or complex-shaped parts with thin walls. Several problems that frequently take place during the EBM fabrication are proposed based on the practical experience. It is found that metallization peeling-off, warpage, "swelling" and arc trips are the main reasons resulting in the failures of building jobs. It is suggested to pay close attention to the following aspects: a thorough cleanliness of the entire EBM system before start, a reasonable placement of builds on the start plate, an optimized design on geometries, etc., for a successfully built part.

引用

页码：327 / 332

页数：6

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