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라경운(Kyeong-Woon Ra),지성범(Seong-Bum Ji),조영진(Yeong-Jin Jo),박제홍(Je-Hong Park),서상원(Sang-Won Seo),김수진(Su-Jin Kim) 한국생산제조학회 2014 한국생산제조학회지 Vol.23 No.5
Thin and wide airfoils are difficult to be machined precisely because they are deformed during and after machining processes. This paper presents the results of the airfoil deformation measured by three-dimensional (3D) scanning equipment. It also discusses the influences of fixture and the machining process on the distortion of the thin airfoil. The simple fixture bended the thin airfoil to a Ushape at the first process, and the vacuum fixture decreased the distortion of the machined airfoil at the second process. The long and thin airfoil supported by two points was buckled during the machining at its two end-regions at the third process. Results from this study suggest that use of vacuum fixture decreases the machining distortion of thin and wide airfoils.