B08 Influence of Tool Geometry on Cutting Process in Glass Milling

Abstract

The mioro − scale grooves are machined on the glass plates iwth the inclmed bal1 end mills ． Thls study discusses the effect of the tool shape on br 虻tie fracture to improve the matenal removal rate A 至 arge edge roundness ， which can be controlled by honlng， supPresses the Gra じk propagation ． Horvever ， the effbot Qfthe ¢ dge roundness reduces with the cutting Iength ， and dlsappears 洫 the long cutnllg length due to thc tool wear Ihe ef 艶 ct of the tool stlf 正 hess on bnttle fracture ls also studled ln the vibrat 正 on tests and the cuttlng tests w 孟 th cha 皿 gmg the un − der− neck length The maXimum t ' eed rate tbr tim ' shing a erack − 〔 ree surf 』ce increases 冊 th thc tool stlffness