For leaders in EV motor manufacturing, testing electric motor rotors and stators is a minimum industry requirement. Only comprehensive testing protocols, backed by automated processes, can consistently reduce motor failure rates, enhance efficiency, and improve traceability. By testing electric motor rotors and stators during manufacturing, companies can detect and isolate defects before motor assembly.

Learn more about the types of rotor and stator tests, as well as our testing capabilities.

Types of Rotor and Stator Tests

Once rotors and stators are welded or joined together, they must be inspected to ensure compliance with manufacturing specifications. Stator and rotor tests examine the components’ physical and electronic characteristics so that there are no issues when the motor is assembled. These tests are required by the machine manufacturers, and only once the components pass the tests can the motor be assembled.

Rotor and stator tests inspect the following:

  • Stator-to-rotor height
  • Perpendicularity
  • Parallelism
  • Concentricity
  • Presence of debris
  • Current draw
  • Surface of the components (making sure there is no damage to the surface of the components)

Benefits of Rotor and Stator Tests

Stator and rotor quality assurance testing standards are higher than any other testing standards in EV manufacturing. AMD can deliver faster rotor and stator testing due to our experience working with several prominent manufacturers in the field. Our machines can also provide assembly of rotors and stators, so we can offer a full solution to clients in both the U.S. and Mexico.

Our Capabilities

AMD’s advanced automated solutions increase product quality and production volumes for lamination companies that manufacture rotors and stator cores. Our vertically integrated facility enables us to create new automation lines from scratch in as little as 30 weeks. AMD’s engineers can provide local in-person machine support for companies in the U.S. and Mexico.

Using both gauges and vision systems while applying force, we can test stacks once they leave the press. Our testing services check for height, parallelism, concentricity, perpendicularity, current, surface damage, and debris. AMD also offers preparations for final motor assembly, such as:

  • Stator and rotor assembly
  • Magnet insertion
  • T-Core assembly
  • Housing and cover assembly

Learn More About Rotor and Stator Tests

Testing rotors and stators during manufacturing is vital to producing high-quality electric motors. AMD is your partner for assembly and inspection automation for stators and rotors. We’ve helped countless companies successfully automate their manufacturing lines to cost-effectively scale production in their industry.

To learn more about how we test electric motor rotors and stators, contact us or request a quote today.

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