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Park, Hyung Wook
Multiscale Hybrid Manufacturing Lab
Research Interests
  • Multiscale hybrid manufacturing process

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Study on characteristics of cryogenic machining process of titanium alloy at a low cutting speed

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Title
Study on characteristics of cryogenic machining process of titanium alloy at a low cutting speed
Other Titles
티타늄 합금 소재 저속 영역 극저온 가공 특성 연구
Author
Kim, Do YoungKim, Dong MinPark, Hyung Wook
Keywords
Cryogenic machining (극저온 가공); Orthogonal machining (직교 절삭 가공); Titanium alloy (티타늄 합금)
Issue Date
201704
Publisher
한국정밀공학회
Citation
JOURNAL OF THE KOREAN SOCIETY FOR PRECISION ENGINEERING, v.34, no.4, pp.237 - 241
Abstract
Cryogenic machining uses liquid nitrogen (LN2) as a coolant. This machining process can reduce the cutting temperature and increase tool life. Titanium alloys have been widely used in the aerospace and automobile industries because of their high strength-to-weight ratio. However, they are difficult to machine because of their poor thermal properties, which reduce tool life. In this study, we applied cryogenic machining to titanium alloys. Orthogonal cutting experiments were performed at a low cutting speed (1.2 - 2.1 m/min) in three cooling conditions: dry, cryogenic, and cryogenic plus heat. Cutting force and friction coefficients were observed to evaluate the machining characteristics for each cooling condition. For the cryogenic condition, cutting force and friction coefficients increased, but decreased for the cryogenic plus heat condition.
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DOI
http://dx.doi.org/10.7736/KSPE.2017.34.4.237
ISSN
1225-9071
Appears in Collections:
MNE_Journal Papers
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