Experimental Investigation of Abrasive Jet Polishing on the Free-Form Machined Surfaces of SKD61 Mold Steel Using SiC Particles

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Title:	Experimental Investigation of Abrasive Jet Polishing on the Free-Form Machined Surfaces of SKD61 Mold Steel Using SiC Particles
Authors:	Mao,TF;Yang,SC;Tsai,FC;Hung,JC;Yan,BH
Contributors:	機械工程學系
Date:	2010
Issue Date:	2012-03-27 17:03:02 (UTC+8)
Publisher:	國立中央大學
Abstract:	This study performs an experimental investigation into the wet abrasive jet polishing (AJP) of three different SKD61 specimens, namely, a linear microgroove, a linear microchannel, and a curved microchannel. It is shown that when the polishing process is performed using #3000SiC particles, the surface roughness (Rmax) of the SKD61 microgroove is reduced from 2.32 mu m to 0.40 mu m within 30 min. Furthermore, when using #1000SiC particles and a vacuum suction pressure of 60 cmHg (0.82 kg/cm(2)), the surface roughness of the linear microchannel is reduced from 3.45 mu m to 0.43 mu m within 60 min, while that of the curved microchannel is reduced from 3.58 mu m to 0.45 mu m. Overall, the experimental results show that the wet AJP method provides a quick and efficient means of removing the milling traces from SKD61 mold steel components to leave a mirror-like polished surface.
Relation:	MATERIALS AND MANUFACTURING PROCESSES
Appears in Collections:	[Departmant of Mechanical Engineering ] journal & Dissertation

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