扭矩和功率

计算槽铣应用的切向力、扭矩和加工功率。

邮寄地址

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)

Rockwell HRC Rockwell HRB

Characteristics of Workpiece Materials

Brinell Hardness

HB

Ultimate strength

PSI N/mm 2

Slot Mill Nomenclature

d₁ Effective cutting diameter

in. mm

z Number of inserts/cutter

Machining Conditions

V_c Cutting speed

sfm m/mm

a_e Radial depth of slot

in. (WOC) mm (WOC)

a_pAxial width of slot

in. (DOC) mm. (DOC)

f_z Required feed per tooth

in. IPT (chip load) mm

Radial engagement factor

Most Common Workpiece Materials			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

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

Calculated Machining Conditions

nSpindle speed

RPM

V_f Feed rate

IPM (no productivity formula) mm/min (no productivity formula)

Reduced feed per tooth

in. (chip load at the cut) mm/min (chip load at the cut)

F_p Feed rate

IPM (with productivity formula) mm/min (with productivity formula)

QMetal removal rate

MRR cm3/min

Q_p Metal removal rate

MRR(no productivity formula) cm3/min(no productivity formula)

ACross-sectional area of chip

in.² mm²

z_c Number of flutes in the cut

a_e/d₁ Ratio of radial width of cut to cutting diameter

Calculated Force&#44 Torque&#44 and Required Power

F_t Tangential cutting force

in -lb N

TTorque at the cutter

in ft -lb N-cm N-m

Machining Power

P_s at the cutter

HPc kW

P_m at the motor

hp kW

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