Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 223
led so thatthe ring and bushing draw the segments closertogether on tightening. The hub in small machines is usually of castiron keyed to the shaft; but in large machines,the commutator is built upon a strong flange-Hkesupport or shell, bolted to the armature spider, as indicated in Fig. 212and Fig… … Fig. 230. Construction of Commutator of Medium Size 195 186 DIRECT-CURRENT DYNAMOS length of the bar, and the beveled ends should be as simple as possi-ble. With drop-forged segments, this is not so important. In building commutators it is usual to assemble the bars to theproper number, with the…
Electrical engineering
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