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The Siemens 1FK7042-5AF71-1AH0 belongs to the 1FK7 series and is categorized as a synchronous servo motor featuring permanent magnets. It is designed to achieve a standard operating speed of 3000 rpm and delivers a nominal torque of 2.6 Nm, making it suitable for various industrial applications.
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| Manufacturer | Siemens |
|---|---|
| Product Line | 1FK7 |
| Part Number | 1FK7042-5AF71-1AH0 |
| UPC | 662643005936 |
| Weight | 13.06 lbs (5.93 kg) |
| Product Category | Synchronous Servo Motor With Permanent Magnets |
| Standard Operating Speed | 3000 rpm |
| Pole Count | 8 |
| Nominal Torque | 2.6 Nm |
| Nominal Current | 1.9 A |
| Rotor Inertia | 3.450 kg·cm² |
| Energy Efficiency | 89.00% |
| Torque Per Ampere | 1.40 Nm/A |
| Back EMF Constant At 20°C | 89.0 V/1000 rpm |
| Coil Resistance At 20°C | 5.15 Ω |
| Inductance Of Stator Windings | 29.0 mH |
| Enclosure Protection Rating | IP64 |
| Cooling System | Passive Air Cooling |
| Peak Mechanical Speed | 9000 rpm |
| Braking Torque Of Holding System | 4.0 Nm |
The Siemens 1FK7042-5AF71-1AH0 is engineered as a synchronous servo motor with permanent magnets, designed for reliability and performance. It operates at a standard speed of 3000 rpm, supported by a pole count of 8 for enhanced control. With a torque output of 2.6 Nm, this motor provides substantial force for driving applications. It has a nominal current rating of 1.9 A, ensuring optimal energy consumption during operation.
The rotor inertia, measured at 3.450 kg·cm², is crucial for calculating the dynamic responsiveness of the motor. Additionally, the motor boasts an impressive energy efficiency rating of 89.00%. It achieves a torque per ampere ratio of 1.40 Nm/A, signifying effective utilization of current.
In terms of electrical characteristics, the back EMF constant at 20°C is rated at 89.0 V per 1000 rpm, while coil resistance is measured at 5.15 Ω. The stator winding inductance of 29.0 mH contributes to its performance stability. The IP64 rating ensures that the motor is protected against environmental contaminants, suitable for various industrial settings.
Cooling is managed through a passive air system, allowing the motor to maintain efficiency under normal operating conditions. The peak mechanical speed of the motor reaches up to 9000 rpm. Furthermore, the braking torque from the holding system is rated at 4.0 Nm, providing reliable stopping power when required. Overall, the Siemens 1FK7042-5AF71-1AH0 motor merges power, efficiency, and durability in a compact design.