General Information
Parameter Specification
Manufacturer Siemens
Series SIMOTICS M-1PH8
Type Liquid-cooled Main Spindle Motor
Order Number 1PH8165-1DG13-0LB1
Rated Power 165 kW
Cooling Method Forced liquid cooling
Protection Class IP67
Performance Characteristics
Parameter Specification
Rated Torque 1,050 Nm
Rated Speed 1,500 rpm
Maximum Speed 3,600 rpm
Peak Torque 3,150 Nm (300% overload)
Torque Constant 11 Nm/A
Rotor Inertia 7.2 kg·m²
Electrical Parameters
Parameter Specification
Rated Voltage 600 V DC
Rated Current 315 A
Number of Pole Pairs 2
Winding Type 3-phase synchronous
Insulation Class H (180°C)
Mechanical Specifications
Parameter Specification
Frame Size 400
Shaft Height 280 mm
Mounting IM B3/B5/B35
Shaft Type Hollow shaft (110 mm diameter)
Weight 1,550 kg
Max. Radial Force 40 kN
Max. Axial Force 25 kN
Cooling System
Parameter Specification
Coolant Flow Rate ≥22 L/min
Coolant Pressure 2-4 bar
Coolant Temperature +5°C to +35°C
Coolant Type Water/glycol mixture
Feedback System
Parameter Specification
Encoder Type Absolute (EnDat 2.2)
Resolution 24-bit
Commutation Signals 2048 ppr
Accuracy ±20 arcsec
Environmental Conditions
Parameter Specification
Ambient Temperature 0°C to +40°C
Storage Temperature -25°C to +70°C
Relative Humidity ≤95% (non-condensing)
Altitude ≤1,000 m
Certifications & Standards
CE

UL

cULus

RoHS compliant

ISO 9001

IEC 60034-1

Drive Compatibility
Required Drive | SINAMICS S120 (6SL3220-xxxxx series)

Control Mode | Servo/vector control

Communication | PROFIBUS/PROFINET via drive unit

Typical Applications
Heavy-duty milling machines

Large gear cutting machines

Aerospace structural machining

High-power turning centers

Special purpose machine tools

Note: For complete technical documentation, refer to Siemens manual:
"SIMOTICS M-1PH8 Main Spindle Motors" (Document ID: 6SL3097-xxxxx).