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Kennametal® Tangential Force Calculator & Formula

Calculate Tangential Force, Torque, and Machining Power for Slotting Applications.

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)
Characteristics of Workpiece Materials

Characteristics of Workpiece Materials

HB
PSI N/mm 2
Note:Ultimate Strength shown for generic steel. Please enter the actual value of your workpiece material if available, for better accuracy You may look up this info through websites such as www.matweb.com
Slot Mill Nomenclature

Slot Mill Nomenclature

in. mm
Machining Conditions

Machining Conditions

sfm m/mm
in. (WOC) mm (WOC)
in. (DOC) mm. (DOC)
in. IPT (chip load) mm
Most Common Workpiece Materials W/D ratios
W/D < = 0.66 0.66 < W/D < 1.0 W/D = 1.0
Aluminum alloys 1.0 1.05 1.1
Carbon and alloy steels 1.0 1.15 1.3
Cast irons 1.0 1.15 1.3
Titanium alloys 1.0 1.20 1.4
Stainless steel, High-temperature alloys 2.0 2.15 2.3
Direct Belt Drive .9
Back Gear Drive .75
Geared Head Drive .7-.8
Oil - Hydraulic Drive .6-.9
Calculated Machining Conditions

Calculated Machining Conditions

RPM
IPM (no productivity formula) mm/min (no productivity formula)
in. (chip load at the cut) mm/min (chip load at the cut)
IPM (with productivity formula) mm/min (with productivity formula)
MRR cm3/min
MRR(no productivity formula) cm3/min(no productivity formula)
in.2 mm2
Calculated Force, Torque, and Required Power

Calculated Force, Torque, and Required Power

in -lb N
in ft -lb N-cm N-m
Machining Power

Machining Power

HPc kW
hp kW

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Name SAP Material Number ISO Catalog Number