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Pour les clients Américains et Canadiens, un supplément tarifaire sera ajouté à votre commande pour les outils de coupe et produits connexes.

Efforts de coupe KM

Efforts de coupe, couple et puissance pour le tournage

These calculations are based upon theoretical values and are only intended for planning purposes. Actual results will vary. No responsibility from Kennametal is assumed.

Conversion of Workpiece Material Rockwell (Optional)
Metric
Inch

Conversion of Workpiece Material Rockwell (Optional)

Skip this step if you already know the Brinell hardness number(HB)
in mm
in mm
Characteristics of Workpiece Materials

Characteristics of Workpiece Materials

in mm
HB
"p" Values (hp/ln.3/min ) for machining conditions.
Workpiece"p" Values (hp/in.3/min) for machining conditions:"p" Values (kW/cm3/min) for machining conditions:
Type of materialDesignationBrinell HardnessFinishingRoughingGeneralFinishingRoughingGeneral
Carbon steelAISI 1018125-1750.700.660.620.03190.03010.0282
Carbon steelAISI 1045175-2250.740.700.720.03370.03190.0328
Alloy steelAISI 4140175-2250.790.740.730.03600.03370.0333
Alloy steelAISI 4340200-2250.760.720.730.03460.03280.0333
Alloy steelAISI 4140225-2750.850.770.790.03870.03510.0360
Alloy steelAISI 4142225-2750.840.770.750.03830.03510.0342
Alloy steelAISI 4340450-5001.311.001.050.05970.04560.0478
Tool steelAISI H11200-2250.780.730.760.03550.03330.0346
AISI 316L125-1500.810.710.730.03690.03230.0333
AISI 410200-2500.830.730.750.03780.03330.0342
AISI 17-4 PH275-3250.990.760.800.04510.03460.0364
Gray cast ironSAE G3000180-2000.530.480.470.02410.02190.0214
Ductile cast ironASTM 65-45-12150-1750.580.550.510.02640.02510.0232
Titanium alloyAMS Ti-6Al-4V275-3000.640.620.620.02920.02820.0282
Nickel alloyInconel 718275-3001.201.011.020.05470.04600.0465
Aluminum alloyAMS 2024120-140 (500 Kg load)0.310.290.300.01410.01320.0137
hp/ln.3/min. kW/cm3/min
Machining Conditions

Machining Conditions

inmm
inmm
ipr.mm/rev
sfm.m/min
Type of DriveEf, %
Direct Drive95
Direct Belt Drive90
Back Gear Drive75
Geared Head Drive70-80
Oil - Hydraulic Drive60-90
Calculated Machining Conditions

Calculated Machining Conditions

rpm1/min
ln.3/min.cm3/min
min
Safe Operating Conditions

Safe Operating Conditions

lbfN
ft-lbs.N-m
ft-lbs.N-m
Cutting Forces

Cutting Forces

lb should not exceed Ft maxN
lbN
lbN
lbN
ft. lbs. should not exceed TpN-m
ft. lbs.N-m
hpKW
hpKW
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