Product News: Mechanical Power Transmission

Servo Motors are suited for motion control applications.

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Press Release Summary:

March 4, 2011 - Exhibiting efficiency levels up to 94%, 1FK7 series integrates encoder with DRIVE-CLiQ interface as well as high inertia design that demonstrates optimized dynamics and control properties. Mechanical decoupling of encoders from motor shaft increases ruggedness and serviceability, while integration of encoder interface electronics allows compact motor design for simplifying machine installation. All models are resistant to vibration and shock.

Siemens Industry, Inc.

390 Kent Ave., Elk Grove Village, IL, 60007, USA

Original Press Release

Siemens Redesigns and Extends its 1FK7 Servo Motor Series for Motion Control Applications

Press release date: February 23, 2011

The Siemens Drive Technologies Division has optimized the design of its 1FK7 servo motor series for standard motion control applications and extended its range of motors in the field of low rated speeds. Mechanical decoupling of the encoders from the motor shaft increases both the ruggedness and serviceability of the motors, while improved integration of encoder interface electronics makes for an even more compact motor design, thereby simplifying machine installation.

The 1FK7 series motors are particularly impressive in their compact design at high power density and their high degree of dynamic and precision. With the basic 'Compact' version, Siemens offers the broadest range of sizes and versions for all drive tasks. Furthermore, the 'High Dynamic' version offers reduced rotor inertia, providing an efficient and optimum solution for tasks that involve maximum dynamics and low load inertia. A new addition to the 1FK7 series comes in the form of the 'High Inertia' design, which also demonstrates optimum dynamics and above-average control properties through high rotor inertia for motion control tasks that also involve high load inertia. With the innovative 1FK7 series, Siemens is reinforcing the trend toward increasingly compact and serviceable, maximum efficiency motor solutions.

The enhanced 1FK7 motors are now more compact in size and, thanks to integration of the encoder with DRIVE-CLiQ interface into the motor, they now have a low disturbing contour. When revising the 1FK7 series, special attention was paid to decoupling the encoder from the motor. A number of advantages can be gained from doing so: In the event of service, the encoder can be replaced on site at the machine, without having to carry out any new adjustments. 1FK7 motors now offer a higher degree of ruggedness against vibration and shock load. Improved thermal decoupling also enables higher rated torques to be reached in certain versions.

1FK7 motors boast maximum energy efficiency. They offer efficiency levels of up to 94 percent. Thanks to the broad range of rated speeds, the project engineer can choose 1FK7 motors with an optimally adapted winding design, so that they are always able to operate at the best possible efficiency range. In addition to energy savings, benefits in terms of lower system costs can also be enjoyed, as the corresponding Sinamics converter modules and connection system can be made available in smaller sizes.

www.siemens.com/servomotors

The Siemens Industry Sector (Erlangen, Germany) is the worldwide leading supplier of environmentally friendly production, transportation, building and lighting technologies. With integrated automation technologies and comprehensive industry-specific solutions, Siemens increases the productivity, efficiency and flexibility of its customers in the fields of industry and infrastructure. The Sector consists of six divisions: Building Technologies, Drive Technologies, Industry Automation, Industry Solutions, Mobility and Osram. With around 204,000 employees worldwide (September 30), Siemens Industry achieved in fiscal year 2010 total sales of approximately Euros34.9 billion. www.siemens.com/industry

The Siemens Drive Technologies Division (Nuremberg, Germany) is the world's leading supplier of products, systems, applications and services for the entire drive train with electrical and mechanical components and motion control systems for production machinery as well as machine tools. Drive Technologies serves all segments in manufacturing industry, process industry and energy/infrastructure. The division provides answers to the customers┬┤ key requirements productivity, energy efficiency and reliability. In fiscal year 2010, around 36,000 employees of the Division (September 30), achieved total sales of Euros7.0 billion. www.siemens.com/drivetechnologies

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