CHARACTERISATION OF ALOE VERA AS CUTTING FLUIDS

Abstract

Cutting fluids provide a challenge to reduce environmental effects. This study discusses aloe vera cutting fluid (AVCF) as an environmentally friendly alternative to oil-based cutting fluids mixed with water 1:5 (OBCFM). A turning process with low cutting speed (20.232 m/min) requires high cooling power. The turning process was conducted(cutting speed:20.232 m/minute, feed rate: 0.24 mm/rev, and cut depth: 1 mm)on a cast-iron workpiece with 44 HRC or Rockwell Hardness ?(diameter:28 mm and length;300 mm). The high-speed steel cutting tool with average hardness 67.25 HRC was tested via machining with a cutting time of 56.550 seconds, and the flank wear was measured(AVCF: 0.311 mm; OBCFM:0.284 mm; dry machining:0.576 mm). Flank wear of the cutting tool using AVCF is almost equivalent to that of cutting tools using OBCFM; thus, AVCF is an environmentally friendly cutting fluid compared to OBCFM.

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