TiNコーティングハイスドリルによるSUS304の低周波振動ドリル加工

概要

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In this paper, a friction test was conducted with a friction testing machine to examine the basic interaction phenomena (frictional force, frictional temperature etc.) resulting from adhesion or welding between the test piece (SUS 304) and TiN coating. For comparison, black oxide coated test pieces were employed. Beside, cutting characteristics (tool life, cutting force, drill wear, etc.) during the drilling of SUS 304 with TiN coated drills was investigated and the results were compared with these of cobalt HSS drills (JIS SKH 56). The experimental results revealed a marked difference in performance between both type of drills with TiN coated drills showing superiority in every domain. Moreover the experimental results were compared with those in drilling by cobalt HSS drills. From this study, it is found that cutting characteristic in drilling of SUS 304 by TiN coating drills is more superior to those by cobalt HSS drills.
大阪産業大学の論文