Test report No. PLBO/4: wear tests on PERPRO tools grades N35/RD25 and N35/RD80 machining EN 9
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Abstract
Tools of grade N35/RD25 and N35/RD80 were tested at 500 fpm cutting speed, 0.010 in/rev feed and 0.10 in. depth of cut on EN 9 to 0.030 in. flankwear. The results showed that there was no significant difference in tool life between the two grades for the cutting conditions investigated.