초음파 미세구멍 관통가공에서 왁스 코팅을 이용한 출구크랙 방지에 관한 연구

Title
초음파 미세구멍 관통가공에서 왁스 코팅을 이용한 출구크랙 방지에 관한 연구
Other Titles
A Study on Preventing Cracks at the Small Hole Exit in Ultrasonic Machining Using a Wax Coating
Author(s)
고태조이항백대균[백대균]
Keywords
Ultrasonic Machining(초음파 가공); Crack(크랙); Wax Coating(왁스 코팅)
Issue Date
201506
Publisher
한국기계가공학회
Citation
한국기계가공학회지, v.14, no.3, pp.105 - 111
Abstract
Ultrasonic machining (USM) does not involve heating or any electrochemical effects, and subsequently causes low surface damage, has small residual stress, and does not rely on the conductivity of the workpiece. These characteristics are suitable for the machining of brittle materials, such as glass or ceramics. However, USM for brittle materials generates cracks on the workpiece while machining, especially at the hole exit with a small diameter. In this study, wax coating was used to deposit wax on the back side of the workpiece to decrease the occurrence of cracks at the exit holes in USM, and it was finally removed with a cleaning process. The experimental results show that this technique is beneficial for restricting the occurrence of cracks in glass or ceramics.
URI
http://hdl.handle.net/YU.REPOSITORY/31751http://dx.doi.org/10.14775/ksmpe.2015.14.3.105
ISSN
1598-6721
Appears in Collections:
공과대학 > 기계공학부 > Articles
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