Frameless motor or alternator:
Definition and Applications

What is a frameless Motor or Generator?

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A roto-statoric kit motor or generator consists of two main parts:

• Stator: It includes a casing containing an assembly of magnetic sheets and a three-phase winding.

• Rotor: It consists of a magnetic core with permanent magnets.

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In the case of a permanent magnet synchronous AC motor kit, these two components must be integrated by the user into the machine's mechanical system, in combination with one or more bearings, to be operational.

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Advantages of Roto-Statoric Kits

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Compared to complete motors (casing, shaft, bearings, encoder, etc.), roto-statoric kits offer several advantages:

• Compact mechatronic system: Reduction of redundant components for a simpler design.

• Increased reliability: Fewer mechanical parts means fewer failure risks.

• Better energy efficiency: Optimized design for direct drive applications.

• Improved precision: Perfect for applications requiring precise movement control.

• Economic and technical optimization: Suitable for systems without gearboxes or speed multipliers.

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Applications of Roto-Statoric Kit Motors and Generators

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Roto-statoric kit motors are used in a wide range of industrial and off-site applications, including:

• Machine tool axes.

• Plastic and rubber extrusion machines.

• Electronics component manufacturing.

• Printing:

  • Flexography.

  • Woven textile printing.

• Rotary tables for industrial or event applications.

• Off-site automation:

  • Electric vehicles (land and underwater).

  • Automation for stages and amusement parks.

Roto-statoric kit generators are particularly well-suited for applications in the renewable energy sectors:

• Wind turbines.

• Hydrokinetic turbines.

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ALXION Roto-Statoric Kit Solutions

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ALXION offers a complete range of solutions tailored to customer requirements:

• STK Torque Motors in Roto-Statoric Kits: Designed for a variety of industrial applications.

• STK Generators in Roto-Statoric Kits: Specifically developed for use in wind turbines and other renewable energy systems.

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Conclusion

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Roto-statoric kit motors and generators offer an innovative and cost-effective solution for modern mechatronic systems. They enable the creation of compact, high-performance, and reliable systems suitable for both industrial applications and off-site automation. Discover ALXION’s STK ranges to meet your specific needs.

• STK Torque Motors: Learn more about our motors in kits.