1FK7042-3BK71-1CG0

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The Siemens 1FK7042-3BK71-1CG0 is a high-performance permanent-magnet synchronous motor designed for precision and efficiency in industrial applications. With a rated speed of 6,000 rpm and a rated torque of 1.5 Nm, this motor is engineered to deliver reliable performance in demanding environments. It features a high inertia design, ensuring smooth operation and stability. The motor's natural cooling system and IP64 protection rating make it suitable for various industrial settings. Equipped with an AM24DQI absolute encoder, it offers high-resolution feedback for precise control. The motor's compact design, with a shaft height of 48 mm, allows for easy integration into existing systems. Ideal for applications requiring high precision and efficiency, the Siemens 1FK7042-3BK71-1CG0 motor is a robust solution for modern automation needs.
Specification Description
Part Number 1FK7042-3BK71-1CG0
Manufacturer Siemens
Motor Type Permanent-magnet synchronous motor
Rated Speed 6,000 rpm
Number of Poles 8
Rated Torque 1.5 Nm
Rated Current 2.5 A
Static Torque (60 K) 2.50 Nm
Static Torque (100 K) 3.00 Nm
Stall Current (60 K) 3.55 A
Stall Current (100 K) 4.40 A
Moment of Inertia 5.100 kgcm²
Efficiency 89.0%
Torque Constant 0.68 Nm/A
Voltage Constant at 20º C 44.5 V/1000 rpm
Winding Resistance at 20º C 1.15 Ω
Rotating Field Inductance 8.6 mH
Electrical Time Constant 7.50 ms
Mechanical Time Constant 3.80 ms
Thermal Time Constant 30 min
Shaft Torsional Stiffness 14,600 Nm/rad
Net Weight of the Motor 5.1 kg
Shaft Height 48
Cooling Natural cooling
Radial Runout Tolerance 0.040 mm
Concentricity Tolerance 0.08 mm
Axial Runout Tolerance 0.08 mm
Vibration Severity Grade Grade A
Connector Size 1
Degree of Protection IP64
Design Acc. to Code I IM B5 (IM V1, IM V3)
Temperature Monitoring Pt1000 temperature sensor
Electrical Connectors Connectors for signals and power, rotatable
Color of the Housing Standard (Anthracite RAL 7016)
Holding Brake Without holding brake
Shaft End Plain shaft
Encoder System Encoder AM24DQI: absolute encoder 24 bits (resolution 16777216, encoder-internal 2048 S/R) + 12 bits multi-turn (traversing range 4096 revolutions)
Optimum Speed 5,000 rpm
Optimum Power 1.0 kW
Max. Permissible Speed (Mech.) 9,000 rpm
Max. Permissible Speed (Inverter) 9,000 rpm
Maximum Torque 10.5 Nm
Maximum Current 15.3 A
Recommended Motor Module Rated inverter current 5 A, Maximum inverter current 15 A

What type of motor is the Siemens 1FK7042-3BK71-1CG0?

The Siemens 1FK7042-3BK71-1CG0 is a permanent-magnet synchronous motor designed for high inertia applications.

What is the rated speed of this motor?

The rated speed of the Siemens 1FK7042-3BK71-1CG0 motor is 6,000 revolutions per minute (rpm).

What is the maximum permissible speed for this motor?

The maximum permissible speed for the Siemens 1FK7042-3BK71-1CG0 motor is 9,000 rpm.

What is the rated torque of the Siemens 1FK7042-3BK71-1CG0?

The rated torque of the Siemens 1FK7042-3BK71-1CG0 is 1.5 Newton-meters (Nm).

Does this motor have a holding brake?

No, the Siemens 1FK7042-3BK71-1CG0 does not come with a holding brake.

What is the degree of protection for this motor?

The Siemens 1FK7042-3BK71-1CG0 motor has a degree of protection rated at IP64.

What type of encoder system does this motor use?

The motor uses an Encoder AM24DQI, which is an absolute encoder with 24 bits resolution and a 12-bit multi-turn capability.

What is the efficiency of the Siemens 1FK7042-3BK71-1CG0 motor?

The efficiency of the Siemens 1FK7042-3BK71-1CG0 motor is 89.0%.

What is the net weight of this motor?

The net weight of the Siemens 1FK7042-3BK71-1CG0 motor is 5.1 kilograms.

What is the maximum torque of this motor?

The maximum torque of the Siemens 1FK7042-3BK71-1CG0 motor is 10.5 Nm.

  • Precision control in CNC machinery
  • Robotics and automation systems
  • High-performance packaging machines
  • Textile machinery for enhanced productivity
  • Printing presses requiring precise motion control
  • Semiconductor manufacturing equipment
  • Food and beverage processing lines
  • Material handling and conveyor systems
  • Medical equipment with high precision requirements
  • Aerospace and defense applications for reliable performance

This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.

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