@article{oai:kyutech.repo.nii.ac.jp:00000077, author = {寺井, 久宣 and Terai, Hisanobu and 郝, 明暉 and Hao, Minghui and Kikkawa, Koichi and 吉川, 浩一 and Mizugaki, Yoshio and 水垣, 善夫}, issue = {672}, journal = {日本機械学會論文集. C編}, month = {Aug}, note = {This paper presents a geometric analysis of an undeformed chip thickness at the top of tool in ball-nosed end milling. It has been firstly pointed out backward cutting near the center of tool that is irregular interference between the flank and the workpiece. So backward cutting occurs a non contact part on the cutting edge. Secondly a condition of backward cutting has been clarified. An area of backward cutting in a ball-nosed end mill is shaped circle that exists beside the center of tool axis. Thirdly a method of avoidance from backward cutting has been brought up. Then its influence for surface roughness is verified by a few experiments., (機械要素,潤滑,工作,生産管理など)}, pages = {2457--2463}, title = {ボールエンドミル加工における工具回転中心近傍の切削機構に関する幾何的考察}, volume = {68}, year = {2002}, yomi = {キッカワ, コウイチ and ミズガキ, ヨシオ} }