Effects of cutting fluids on machining of hyper eutectic Al-Si alloy
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Effects of cutting fluids on tool wear, surface roughness and cutting force in machining of hyper eutectic Al-Si alloy with a carbide tool bit of K10 were studicd. Sevcral kinds of commercial cutting fluids such as compound oil, E. P. oil, soluble oil and light oil were used. The cutting fluids were supplied from the top surface of the rake at rates of 3.5-6.5l/min with use of an oil pump. The results obtained are as follows: The effect of the fluid on decrease of flank wear depended on the cutting speed, but was clearly noted even at such high speed cutting as that of 300m/min. For cutting faster than 200m/min, the soluble oil was most effective, while for lower speed cutting the light oil as well as the E . P. oil of low viscosity was desirable. The effect of the cutting fluid on surface roughness became less pronounced as the rake angle and the cutting speed were increased. However, it was found that the neat cutting oil and light oil were preferable to produce good surface finish. The smaller cutting fcrce was required when a tool with a smaller rake angle and the soluble and the light oil were used.
- 一般社団法人 軽金属学会の論文
一般社団法人 軽金属学会 | 論文
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