Tunnel boring machine torque motor
three-phaseasynchronous380 V

tunnel boring machine torque motor
tunnel boring machine torque motor
tunnel boring machine torque motor
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Characteristics

AC/DC
three-phase
Type
asynchronous
Voltage
380 V
Protection class
IP55, maintenance-free
Configuration
TEFC
Number of poles
4-pole, 8-pole, 12-pole
Cooling mechanism
air-cooled
Applications
for industrial applications, for tunnel boring machine
Other characteristics
constant speed
Power

Min.: 0.75 kW
(1.02 hp)

Max.: 315 kW
(428.281 hp)

Intensity

Min.: 1.2 A

Max.: 535 A

59 A

Torque

Min.: 0.6 Nm
(0.4425 ft.lb)

Max.: 2.8 Nm
(2.0652 ft.lb)

1.2 Nm
(0.8851 ft.lb)

Rotational speed

Min.: 585 rpm
(3,675.66 rad.min-1)

Max.: 2,980 rpm
(18,723.89 rad.min-1)

1,480 rpm
(9,299.11 rad.min-1)

Diameter

Min.: 112 mm
(4.41 in)

Max.: 710 mm
(27.95 in)

Operating temperature

Min.: -20 °C
(-4 °F)

Max.: 60 °C
(140 °F)

40 °C
(104 °F)

Description

The cutter head of shield machine is mainly driven by hydraulic pump or frequency conversion motor. At present, compared with hydraulic drive, frequency conversion motor has become the main driving force for shield machine because of its low cost, convenient installation and speed regulation, high efficiency, large torque and environmental protection.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.