コーティングホブに対する水溶性切削油剤の工具摩耗低減効果

概要

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In this paper, the performance of different types of water-soluble cutting fluids for hobbing was investigated, in terms of tool life (flank wear), crater wear and finished surface roughness with TiN and (Al,Ti)N coated high-speed steel tools. Experiments were carried out using a fly tool. The results helped clarify the following points ; (1) Up to the cutting speed of 117m/min when using the TiN coated tool, a soluble cutting fluid contained with synthetic lubricating additive (SLA) improves the tool life, but it gives an extreme short tool life at a high cutting speed of 159m/min. (2) In the case of (Al,Ti)N coated tool, a soluble cutting fluid contained with SLA and surface active agent (SAA) prolongs the tool life, irrespective of the change in the cutting speed. (3) The soluble cutting fluid with both SLA and SAA, which were added in order to improve the lubricating ability, is effective for the tool life, the crater wear and the surface finish, when the (Al,Ti)N coated tool was used.
社団法人精密工学会の論文
2003-01-05