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Text version of the page
®
f 2 r .The corner radius on the insert leavesgrooves on the workpiece surface.The raw depth
R t = 125 x r Rfr R
t t is produced by the feed f and the corner radius r . This produces the feed f with:
t x r 125f =R Achievable surface quality for fine drilling
14 r = 0,4 12 108 64200,050,070,090,11 r = 0,2 Rt r = 0,8 Raw depth r = 1,2 0,170,130,15 0,19 Feed f
ROMICRON Inserts
When boring as for lathe work, the surfacequality is largely determined by the feed f andinsert radiusf 2 r .The corner radius on the insert leavesgrooves on the workpiece surface.The raw depth
R t = 125 x r Rfr R
t t is produced by the feed f and the corner radius r . This produces the feed f with:
t x r 125f =R Achievable surface quality for fine drilling
14 r = 0,4 12 108 64200,050,070,090,11 r = 0,2 Rt r = 0,8 Raw depth r = 1,2 0,170,130,15 0,19 Feed f