Number：

02098010

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Name：

S.C.Yang

Titles：

Associate professor

Author：

Feng-Che Tsai, Tsuo-Fei Mao, Shie-Chen Yang, Biing-Hwa Yan, Jung-Chou Hung

Paper name：

The Precise Processing of Abrasive Jet Polishing on the Free-Form Surface of SKD61 Mold Steel

Name of activity：

Internation Conference on Manufacturing and Engineering Systems

Keywords：Abrasive jet polishing, Micro-channel, Micro-groove, Vacuum suction

Abstract：

        This study investigated the precise processing of abrasive jet polishing (AJP) on the free-form surface of SKD61 mold steel. The experimental results show that when the polishing process is performed using #3000SiC particles，the surface roughness of the micro-groove SKD61 surface is reduced from Rmax:2.32um to 0.40 um within 30 min.when polishing the linear type micro-channel SKD61 surface and the curve type micro-channel SKD61 surface with using #1000SiC particles by increasing the gas pressure of vacuum suction to 60 cmHg (0.82 kg/cm2)，the roughness of ground surface， Rmax ，is from 3.45 um to 0.43 um for the linear type surface and from 3.58 um to 0.45 um for the curve type surface within 60 min .The results show that the abrasive jet polishing (AJP)technique is useful to remove the milling traces of the free-form surface of SKD61 mold steel and reduce the polishing time and achieves an improved surface finish.Keywords: Abrasive jet polishing.Micro- channel ，Micro-groove，Vacuurn suction.