Hobart, H. M. (Henry Metcalf), 1868-1946 ed · Philadelphia, J. B. Lippincott · leaf 341
tached to a coil-wind-ing lathe, and which can be used to spread the coil after it has been wound in the formof a flat loop upon it. Fig. 2 illustrates acombined winder and spreader, devised byH. W. Turner, which is attached to the face-plate of a winding lathe. Spreading Armature Coils. —… … Fig. 8.—Spreading Armature Coils and the two sides are then pulled apart,producing a coil of the well-known dia-mond shape. This method only producesentirely satisfactory results in the case ofsmall wire-wound armatures. A method ofspreading armature coils is shown in fig. 3. Winding,…
Electrical engineering
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