International Library of Technology · Scranton, International Textbook Co. · leaf 101
arms. 3704. A method of strengthening the spider ringswhen used in connection with drum winding is shown inFig. 1369, which represents a complete armature for a direct-connected machine. This consists in the addition of a flangeb, following the curve of the spider arm ^, and continuedaround the… … DYNAMO-ELECTRIC MACHINE DESIGN. 2477 not the exact shape of one coil, for the coils are bent aroundthrough an angle of 60° to enter the fields of two pole-piecessimultaneously. Two iron flanges /, f are used to press inthe inner portions of the coils and hold them in position. Atthe end of one of…
Electrical engineering
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