3608 高速 CNC 旋盤内空気流のモデル化とカバーパネル構造設計

概要

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Problems relating to air flow generated by rotating chuck of CNC lathe or TC, e.g., cutting chip scattering, cumulating, twisting around workpiece, coolant oil scattering and leaking, have become to elicit in connection with recent higher spindle speed. This paper presents visualization results within a machining space of high-speed CNC lathe and proposes hints of how to design a cover panel structure in order to prevent problems mentioned according to the visualization results. Concretely speaking, visualization results show that there are three characteristics; (1) air flow separation from cover panel, (2) air flow encounter with cover panel and (3) air flow circulation in machining space. It has been found that (1) and cutting chip cumulating, (2) and coolant oil leaking, (3) and cutting chip/coolant oil scattering have a strong relation each other respectively.
社団法人日本機械学会の論文
2000-07-31