首页|EFFECTS OF INSERT NOSE RADIUS AND MACHINING PARAMETERS ON THE SURFACE ROUGHNESS OF STAINLESS STEEL 316L
EFFECTS OF INSERT NOSE RADIUS AND MACHINING PARAMETERS ON THE SURFACE ROUGHNESS OF STAINLESS STEEL 316L
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Trans Tech Publications Ltd
Abstract. Effects of different insert nose radius, cutting speeds and feed rates on the surface roughness of the AISI 306 stainless steel (SS316L), which are used in medical surgery tools. SS316L had been machined with cutting tool at 0.4 mm 0.8 mm, and 1.2 mm of nose radius, at 100, 130, 170 m/min of cutting speeds and at 0.1, 0.125, 0.16 mm/rev of feed rates. Depth of cut was kept constant at 0.4 mm. It is seen that the insert nose radius, feed rates, and cutting speed have different effects on the surface roughness of SS316L. The lowest surface roughness was 0.225 μm in average, has been obtained when using insert with 1.2 mm of nose radius at the lowest feed rate (0.1 mm/rev). The highest surface roughness was 1.838 urn has been measured when using insert with 0.4 mm of nose radius at the highest feed rate (0.16 mm/rev). Results from analysis of variance (ANOVA) shown that the cutting speed was not contribute significantly effect on the surface roughness, compared to feed rate and insert nose radius. Surface roughness was decreased with decreasing of the feed rate. Machining with bigger insert nose radius has capability to obtain lower surface roughness than smaller insert nose radius. This phenomenon cause by maximizing uncut chip thickness which decreased with increasing of insert nose radius.
stainless steelsurface roughnessinsert nose radius
Mohd Fazuri Abdullah、Abu Bakar Sulong、Ilman Hakimi Chua、Che Hassan Che Haron、Jaharah A. Ghani
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Dept. of Mechanical & Material Engineering, Universiti Kebangsaan Malaysia, Bangi, Malaysia
NETL
NSTL
Trans Tech Publications Ltd
