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- Siemens
- 1FK7022-5AK71-1VG0
- Synchronous Servo Motor
- Germany
- 28 mm
- 1.803 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Siemens 1FK7022-5AK71-1VG0 is a SIMOTICS S synchronous servo motor for precision-oriented industrial motion applications. It forms the motor stage of a closed-loop drive system, where controlled electrical power from a suitable servo drive is converted into rotary mechanical motion for a machine axis.
The motor is suited to equipment where movement must be controlled according to defined position, speed, or motion sequences. Typical applications include automated machinery, packaging equipment, handling systems, assembly machines, machine tools, and other production equipment using servo-controlled axes.
Within a Siemens motion-control system, the motor operates together with the associated drive, feedback system, controller, and mechanical load. The complete axis determines the final motion performance, so motor replacement or retrofit work should consider the motor and its surrounding drive architecture as a complete system rather than as an isolated component.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | 1FK7022-5AK71-1VG0 |
| Product Type | Synchronous Servo Motor |
| Product Family | SIMOTICS S |
| Series | 1FK7 |
| Motor Technology | Permanent-Magnet Synchronous Motor |
| Motion Type | Servo Motion |
| Control Method | Closed-Loop Motion Control |
| Application | Industrial Machine-Axis Motion |
| System Integration | Servo Drive and Motion Controller |
| Feedback | Motor Feedback System |
| Mechanical Function | Rotary Machine-Axis Drive |
| Installation | Machine-Mounted |
| Shaft Height | 28 mm |
| Weight | 1.803 kg |
Product Features
- SIMOTICS S synchronous servo motor for industrial automation
- 1FK7 series motor platform for servo-controlled machine axes
- Suitable for closed-loop positioning and coordinated motion
- Works with a compatible Siemens servo drive and motion-control system
- Supports controlled rotary movement in automated machinery
- Suitable for applications requiring repeatable positioning and motion sequences
- Can be connected to mechanical transmissions such as couplings, belts, or gears
- Applicable to individual servo axes and coordinated multi-axis machines
- Suitable for machine automation, handling, assembly, and production equipment
- Integrates into Siemens motion-control architectures using the appropriate drive and feedback configuration
Working Principle
The 1FK7022-5AK71-1VG0 operates as part of a servo-controlled motion axis. A Siemens motion controller establishes the required movement according to the machine program, such as a target position, speed command, acceleration profile, or coordinated sequence.
The servo drive receives the motion command and controls the electrical power supplied to the motor. The synchronous motor converts this controlled electrical energy into rotary mechanical movement, which is transferred through the machine’s coupling or other mechanical transmission to the driven mechanism.
Feedback from the motor is used by the servo system to determine actual motor behavior. The control loop compares the commanded movement with the available feedback information and adjusts motor operation as required. This allows the axis to perform controlled positioning, speed regulation, and coordinated machine movement.
The complete operating chain can be represented as:
Motion Controller → Servo Drive → 1FK7022-5AK71-1VG0 → Mechanical Transmission → Machine Load
The feedback path returns motor-status information to the drive and motion-control system, completing the closed-loop servo architecture.
Role in a SIMOTICS S Servo Motion Control Architecture
The 1FK7022-5AK71-1VG0 occupies the motor stage of the Siemens servo system. The controller determines the required axis movement, the drive regulates motor operation, and the servo motor converts the controlled electrical input into mechanical rotation.
| Control Architecture Layer | Typical Component | Function |
|---|---|---|
| Motion Control | Siemens Motion Controller | Generates and coordinates axis commands |
| Drive Control | Siemens Servo Drive | Regulates motor power and closed-loop operation |
| Servo Motor | 1FK7022-5AK71-1VG0 | Converts electrical power into rotary motion |
| Feedback System | Motor Feedback Interface | Supplies actual motor-status information |
| Mechanical Transmission | Coupling / Gear / Belt | Transfers motor rotation to the machine |
| Machine Axis | Automated Mechanism | Performs the commanded movement |
| Supervisory Layer | HMI / Engineering System | Provides operator control and machine diagnostics |
Industrial Applications
| Application | Typical Use |
|---|---|
| Packaging Machinery | Servo-controlled positioning and repetitive machine movement |
| Automated Assembly | Controlled movement of assembly mechanisms and machine axes |
| Material Handling | Positioning and coordinated movement of handling equipment |
| Machine Tools | Controlled rotary movement within automated machine mechanisms |
| Production Machinery | Repeatable axis movement during manufacturing cycles |
| Robotics and Automation | Servo-driven rotary axes within automated equipment |
| Printing and Converting | Synchronized movement of machine mechanisms |
| Semiconductor and Precision Equipment | Controlled motion where repeatable axis behavior is required |
Installation and Maintenance
- Verify system compatibility — Confirm that the 1FK7022-5AK71-1VG0 is appropriate for the connected Siemens servo drive and the intended motion-control configuration.
- Check the mechanical installation — Verify that the motor mounting arrangement and driven mechanism are compatible and correctly aligned.
- Inspect the motor before installation — Check the housing, shaft, connectors, and accessible surfaces for transportation, storage, or handling damage.
- Verify feedback connections — Confirm that the motor feedback interface and associated cable are correctly matched to the servo system.
- Inspect power cabling — Check motor power connections, cable routing, connector engagement, and insulation condition before energizing the axis.
- Protect feedback wiring — Route feedback cables appropriately and maintain suitable separation from potential electrical interference sources.
- Check the mechanical load — Make sure the connected machine mechanism moves correctly and does not impose unexpected resistance on the motor.
- Confirm drive configuration — Verify the selected motor data, feedback settings, direction, scaling, and applicable axis parameters in the drive system.
- Check shaft and coupling alignment — Confirm that the motor shaft and mechanical transmission are correctly aligned and that excessive radial or axial loading is avoided.
- Perform a controlled test movement — Start with a low-risk motion test to confirm correct direction, feedback response, and basic axis operation.
- Monitor operating behavior — Check for abnormal vibration, noise, temperature increase, positioning deviations, or drive faults during commissioning and operation.
- Document maintenance work — Record the installed motor model, associated drive configuration, feedback arrangement, and test results for future troubleshooting and service activities.
Related Components
| Component | Function |
|---|---|
| Siemens SINAMICS Servo Drive | Controls electrical power and servo operation |
| Siemens Motion Controller | Generates and coordinates machine-axis commands |
| Motor Power Cable | Connects the servo drive to the motor power circuit |
| Motor Feedback Cable | Transfers feedback information between motor and drive |
| Mechanical Coupling | Connects the motor shaft to the driven machine |
| Gearbox | Adapts motor rotation to the machine mechanism |
| HMI / Engineering System | Provides operator control and drive configuration functions |
| Machine Control Network | Supports communication between motion-control components |
Recommended Related Models
| Model | Product Type | Series |
|---|---|---|
| Siemens 1FK7015 Series | Synchronous Servo Motor | SIMOTICS S |
| Siemens 1FK7022 Series | Synchronous Servo Motor | SIMOTICS S |
| Siemens 1FK7032 Series | Synchronous Servo Motor | SIMOTICS S |
| Siemens 1FK7042 Series | Synchronous Servo Motor | SIMOTICS S |
| Siemens 1FK7063 Series | Synchronous Servo Motor | SIMOTICS S |
Key Advantages
- SIMOTICS S platform for industrial servo applications
- Synchronous motor technology for controlled machine-axis motion
- Suitable for closed-loop positioning and speed control
- Integrates with Siemens servo-drive architectures
- Supports automated and coordinated machine movement
- Applicable to a wide range of industrial motion applications
- Suitable for machine replacement and servo-axis maintenance when system compatibility is confirmed
Technical FAQs
What type of motor is the Siemens 1FK7022-5AK71-1VG0?
The 1FK7022-5AK71-1VG0 is a SIMOTICS S synchronous servo motor from the Siemens 1FK7 series. It is intended for use as the motor element of a controlled industrial servo axis.
Does this motor operate independently of a servo drive?
No. The motor forms part of a complete servo system and requires a compatible drive and appropriate control and feedback connections for normal servo operation.
What should be checked when replacing a 1FK7 servo motor?
The motor should be checked against the existing drive system, feedback arrangement, mechanical mounting, shaft connection, machine load, and axis configuration. Matching only the motor family is not sufficient to establish complete system compatibility.
What can cause abnormal servo-axis behavior after motor replacement?
Possible causes include incorrect drive or feedback configuration, wiring problems, mechanical misalignment, excessive machine load, incorrect direction settings, or problems elsewhere in the servo control loop. Troubleshooting should therefore cover the electrical, feedback, control, and mechanical portions of the complete axis.