Test report no. PLBO/15 intermittent cutting tests with tools of RD107, RD110 and SIP, having radiused cutting edges
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1965-01
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College of Aeronautics
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Report
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Abstract
Tools of grade S1P„ RD1O7 and RD11O with radiused cutting edges were tested to failure cutting slotted bars of EN9 at 600 f.p.m., 0.010 in/rev. feed and 0.10 in depth of cut. The results showed that there was a reduction in the frequency of early tool failure as compared with unradiused tips. A statistical analysis showed that there was no significant difference between the mean tool lives of the three grades.