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Tyler Voss Membership & Communications Specialist+1 314 993 2220tvoss@easa.com
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Need an Accredited service center?Find a service center that has proven they repair electric motors in accordance with ANSI/EASA's AR100.
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Want To Revisit The Convention?Recordings and handouts from EASA 2026 events are available to attendees and exhibitors. If you didn't attend, you can still buy access streamed from EASA's website! These recordings provide just over 32 hours of training.
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For information about ANSI/EASA AR100 or questions about the work on this standard, contact:
Mike Howell, PE EASA Technical Support Specialist +1 314 993 2220 mhowell@easa.com
Are you struggling with training new technicians to take data and rewind DC armatures properly? This recording covers the critical skill gap in our industry for qualified DC armature technicians.
There is now a much-needed DC repair standard, created through the participation of EASA members and industry motor users.
Existe ahora una norma para las reparaciones de CC muy necesaria, creada gracias a la participación de miembros de EASA y usuarios de motores de la industria.
This video shows one step in collecting motor winding data: how to measure magnet wire.
There are a lot of factors to take into consider when interpreting the bar-bar test or surge test. This articles reviews those factors.
Hay muchos factores a tener en cuenta al interpretar la prueba de barra-barra o la prueba de sobretensión. Este artículo revisa esos factores.
EASA's DC Machine Data Sheet provides all the fields necessary on a simple one-page form to accurately record all the details about the machine being repaired.
A special discounted collection of 6 webinar recordings focusing on DC motor electrical procedures.
Just $30 for EASA members!
The ISO balancing specification for rigid rotors (ISO 1940-1) was innovative when it was introduced decades ago. It established Balance Quality Grades based on the theoretical velocity the mass center of gravity of a rotor would encounter in free space, spinning at the rotor’s normal operating speed. That’s a mouthful of technical jargon, but a practical understanding of the nature of unbalance forces is important in applying balance tolerances to various machine rotors. It is also helpful in understanding the impact of fundamental changes in the recent replacement standard, 21940-11: 2016.
La especificación ISO para balancear rotores rígidos (ISO 1940-1) fue innovadora cuando fue introducida hace varias décadas. Esta norma estableció los Grados de Calidad de Balanceo basada en la velocidad teórica que el centro de masa de un rotor se encontraría en espacio libre, girando a la velocidad de funcionamiento normal del rotor. Esta es terminología técnica difícil de expresar, pero un entendimiento práctico de la naturaleza de las fuerzas de desbalanceo es importante para aplicar las tolerancias de balanceo en rotores de diversas máquinas. Esto también ayuda a entender el impacto de los cambios fundamentales en la reciente norma de reemplazo: 21940-11: 2016.
The Effect of Repair/Rewinding on Premium Efficiency/IE3 Motors Tests prove Premium Efficiency/IE3 Motors can be rewound without degrading efficiency.
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Good Practice Guide to Maintain Motor Efficiency Based on the 2019 and 2003 Rewind Studies of premium efficiency, energy efficient, IE2 (formerly EF1) and IE3 motors
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