Turning Tools B

Relations between cutting force and cutting conditions o r cutting phenomena

Cutting speed and cutting force f =0.2 mm/rev ap=2 mm Condition1000 900 800 700 600 Gre Cutting force (N)y cast iron (HB130) Negative Positive1500 1400 1300 1200 1100 Stain Cutting force (N)less steel (HB145) Negative Positive1400 1300 1200 1100 1000 Car Cutting force (N)bon steel (HB230) Negative Positive
Side cutting edge angle 0° Corner radius RE 0.4C40 60 80 100 120 utting speed:Vc (m/min)C40 60 80 100 120 utting speed:Vc (m/min)C40 60 80 100 120 utting speed:Vc (m/min)
Depth of cut and cutting force Vc=100 m/min f=0.2 mm/rev2500 2000 1500 1000 utting force (N)Negative Positive2500 2000 1500 1000 utting force (N)Negative Positive2500 2000 1500 1000 utting force (N)Negative Positive
Side cutting edge500 C500 C500 C
angle 0°
Corner radius RE 0.401 2 3 4 501 2 3 4 501 2 3 4 5
Depth of cut:ap (mm)Depth of cut:ap (mm)Depth of cut:ap (mm)
Feed and cutting force2500 2000 )2500 2000 )2500 2000 )
Vc=100 m/mince (Nce (NNegativece (NNegative
ap=2 mm Side cutting edge angle 0°1500 1000 500 Cutting forNegative Positive1500 1000 500 Cutting forPositive1500 1000 500 Cutting forPositive
Corner radius RE 0.4
00.1 0.2 0.3 0.4 0.500.1 0.2 0.3 0.4 0.500.1 0.2 0.3 0.4 0.5
Feed:f(mm/rev)Feed:f(mm/rev)Feed:f(mm/rev)
Corner radius and cutting force1000 800 (N)Negative1000 800 (N)Negative1000 800 (N)Negative
Vc=100 m/min600 force600 forcePositive600 forcePositive
f=0.2 mm/rev400 ttingPositive400 tting400 tting
ap=1.2 mm200 Cu200 Cu200 Cu
Side cuttin ede
g g angle 0°00.4 0.8 1.2 1.6 2.0 Corner radius (mm)00.4 0.8 1.2 1.6 2.0 Corner radius (mm)00.4 0.8 1.2 1.6 2.0 Corner radius (mm)
Side cutting edge angle120014001400
and cutting force1100 e (N)Negative1300 e (N)Negative1300 e (N)Negative
1000 rc1200 rc1200 rc
Vc=100 m/minfofofo
f=0.2 mm/rev900 800 utting1100 1000 uttingPositive1100 1000 uttingPositive
ap=2 mmCPositiveCC
Corner radius RE 0.4
45° 30° 15° 0°45° 30° 15° 0°45° 30° 15° 0°
Side cuttingedge angleSide cuttingedge angleSide cuttingedge angle
Side rake angle and120014001400
cutting force1000 N)1200 N)1200 N)
Vc=100 m/min800 ce (1000 ce (1000 ce (
f=0.2 mm/rev600 g for800 g for800 g for
ap=2 mmCuttin600 Cuttin600 Cuttin
Side cutting edge anle 0°
g1° 0° 15°1° 0° 15°1° 0° 15°
Corner radius RE 0.2Side rake angleSide rake angleSide rake angle

* 9.8N = 1kgf