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Boring tool, Drill bit, BT tool-holder, Lathe tool-holder, Threading die
Text version of the page
®
1 c i n Feed r ate f pe r r e v ol u tio n [ mm / r ]ø 5ø 8ø Cg r . Mate r ial g r o u p m positio n
a )B n g
2 [ m / m i n ]Co 1 2ø 1 6ø 20Te 1 n alloyed steel , C = 0, 1 - 0,25420 annealedannealedtemperedannealedannealed 1 25T60 -800, 11 -0, 1 60, 1 7 -0,250,25 -0,360,32 -0,470,39 -0,572C = 0,25 - 0,55640 cast steel ,m 1 90T60 -800, 11 -0, 1 60, 1 7 -0,250,25 -0,360,32 -0,470,39 -0,57 3C = 0,25 - 0,55850250T60 -800, achi n i n g steel 11 -0, 1 60, 1 7 -0,250,25 -0,360,32 -0,470,39 -0,57 66 w -alloy steel , cast steel ,m achi n i n g steelU 1 1 80T60 -800,09 -0, 1 20, 1 4 -0,200,2 1 -0,300,28 -0,390,35 -0,49 1 0680200T60 -800,09 -0, High-alloy steel , cast steel , high-alloy tool steelLo 1 20, 1 4 -0,200,2 1 -0,300,28 -0,390,35 -0,49
1 ) Cutting groups Note:
2 ) Cooling: T = Dry mashiningIdeal application – FIRST CHOICE The guideline values assume sufficient stability and cooling lubrication. The feed values for drill diameters not given can be interpolated.
KENNAPERFECT
Cutting Value Recommendations for the B261.. in KC7040
n silest r i n ellha C v u tti n gspeed r e n gthRM (MP r d- n essHBCool-i1 c i n Feed r ate f pe r r e v ol u tio n [ mm / r ]ø 5ø 8ø Cg r . Mate r ial g r o u p m positio n
a )B n g
2 [ m / m i n ]Co 1 2ø 1 6ø 20Te 1 n alloyed steel , C = 0, 1 - 0,25420 annealedannealedtemperedannealedannealed 1 25T60 -800, 11 -0, 1 60, 1 7 -0,250,25 -0,360,32 -0,470,39 -0,572C = 0,25 - 0,55640 cast steel ,m 1 90T60 -800, 11 -0, 1 60, 1 7 -0,250,25 -0,360,32 -0,470,39 -0,57 3C = 0,25 - 0,55850250T60 -800, achi n i n g steel 11 -0, 1 60, 1 7 -0,250,25 -0,360,32 -0,470,39 -0,57 66 w -alloy steel , cast steel ,m achi n i n g steelU 1 1 80T60 -800,09 -0, 1 20, 1 4 -0,200,2 1 -0,300,28 -0,390,35 -0,49 1 0680200T60 -800,09 -0, High-alloy steel , cast steel , high-alloy tool steelLo 1 20, 1 4 -0,200,2 1 -0,300,28 -0,390,35 -0,49
1 ) Cutting groups Note:
2 ) Cooling: T = Dry mashiningIdeal application – FIRST CHOICE The guideline values assume sufficient stability and cooling lubrication. The feed values for drill diameters not given can be interpolated.