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Magnet repair guidelines and procedures

A closer look at table and chuck magnet failures and fixes

November 2007
Number of views: 3432
Article rating: 2.0

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Repair and rewinding of table and chuck magnets requires the same skill set as winding field coils for DC motors. The testing is also similar. These magnetic chucks are primarily used on large grinders. DC electro-magnets seem deceptively simple. They operate on the same principles as the common bar electromagnet and horseshoe electromagnet. The strength of this magnet is proportional to the ampere turns of the coil. The coil will produce north and south poles just as in a DC motor frame.

Getting The Most From Your Electric Motors

Getting The Most From Your Electric Motors - cover This 40-page booklet provides great advice for obtaining the longest, most efficient and cost-effective operation from general and definite purpose electric motors.

This booklet covers topics such as:

Installation, startup and baseline information
Operational monitoring and maintenance
Motor and baseline installation data
How to read a motor nameplate
Motor storage recommendations

LEARN MORE AND DOWNLOAD MÁS INFORMACIÓN Y DESCARGAR BUY PRINTED COPIES

EASA/AEMT Rewind Study

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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ANSI/EASA AR100-2020

ANSI/EASA AR100-2015 cover

Recommended Practice for the Repair of Rotating Electrical Apparatus
This is a must-have guide to the repair of rotating electrical machines. Its purpose is to establish recommended practices in each step of the rotating electrical apparatus rewinding and rebuilding processes.

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EASA Technical Manual

EASA Technical Manual cover

Revised September 2022
The EASA Technical Manual is the association's definitive and most complete publication. It's available FREE to members in an online format. Members can also download PDFs of the entire manual or individual sections.

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