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ANSI/EASA AR100-2020 cover

ANSI/EASA Standard AR100-2020
ANSI/EASA AR100-2020: Recommended Practice for the Repair of Rotating Electrical Apparatus is a must-have guide to the repair of rotating electrical machines. It establishes recommended practices in each step of the rotating electrical apparatus rewinding and rebuilding processes.

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Questions?

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

ANSI Accredited Standards Developer Information

Turn and Undercut of DC Commutators

  • August 2022
  • Number of views: 3248
  • Article rating: 1.3

AKARD COMMUTATOR of TENNESSEEChuck Yung
EASA Senior Technical Support Specialist

This webinar discusses specific procedures to obtain the best possible results when machining & undercutting commutators for DC machines.

  • Surface finish
  • Machining tips
  • Undercutter selection
  • Chamfering tools and tips

This recording is intended for supervisory personnel, machinists, DC technicians and engineering staff.

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ANSI/EASA AR100

More information on this topic can be found in ANSI/EASA AR100
  • Section 2: Mechanical repair

EASA Technical Manual

More information on this topic can be found in EASA's Technical Manual
  • Section 3: DC Machines

Related Reference and Training Materials

Root Cause Failure Analysis
  • Section 7: DC Motor Failures

Fundamentals of DC Motors & Operation Tips
  • Section 6: Commutators

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EASA Rewind Study cover

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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EASA Good Practice Guide

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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