Force, Torque, and Power

Unit

Conversion of Workpiece Material Rockwell (Optional)

Skip this step if you already know the Brinell hardness number(HB)

Hardness HRB OR HRC into Brinell Hardness (HB)

Characteristics of Workpiece Materials

Brinell Hardness: HB

Ultimate strength: PSI N/mm 2

Note: Ultimate Strength shown for generic steel. Please enter the actual value of your workpiece material if available&#44 for better accuracy You may look up this info through websites such as www.matweb.com

Type of Z-Axis cut:

K Factor:

Z axis Mill Nomenclature

d₁ Effective cutting diameter: in mm

z Number of inserts/cutter:

Machining Conditions

V_c Cutting speed: sfm m/min

Depth of cut: in mm

f_z Required feed per tooth: in. IPT (chip load) mm

C_mMachinability factor:

Machinability factors

Most Common Workpiece Materials	Cm at W/D ratios:
Most Common Workpiece Materials	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&#44 High-temperature alloys	2.0	2.15	2.3

E Machine efficiency factor:

Machine Tool Efficiency factors

Direct Belt Drive	.9
Back Gear Drive	.75
Geared Head Drive	.7-.8
Oil - Hydraulic Drive	.6-.7

Calculate

CalculatedMachiningConditions.heading.label

n Spindle speed: RPM

V_f Feed rate: IPM (no productivity formula) mm/min (no productivity formula)

QMetal removal rate: MRR cm3/min

ACross-sectional area of chip: in.² mm²

Calculated Required Power

P_s at the cutter: HPc kW

P_m at the motor: hp kW

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Force, Torque, and Power

Conversion of Workpiece Material Rockwell (Optional)

Characteristics of Workpiece Materials

Z axis Mill Nomenclature

Machining Conditions

CalculatedMachiningConditions.heading.label

Calculated Required Power

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Force, Torque, and Power

Conversion of Workpiece Material Rockwell (Optional)

Characteristics of Workpiece Materials

Z axis Mill Nomenclature

Machining Conditions

CalculatedMachiningConditions.heading.label

Calculated Required Power

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