The modern electroplater; a complete book considering fully the elementary principles of electro deposition of metals, their practical application and industrial use . Fig. 30.—Brush Rigging and Armature Assembly (Bennett OConnell Co.) referred to the many available texts on dynamo de-sign. Before the windings are placed in the slots,the latter are usually insulated with cloth and papervof high electric strength. Often wooden or fiberslot wedges are used to securely lock the coils, pre-venting their movement when the armature revolves. Brush Mechanism 67 THE BRUSHES There are as many brushes a
The modern electroplater; a complete book considering fully the elementary principles of electro deposition of metals, their practical application and industrial use . Fig. 30.—Brush Rigging and Armature Assembly (Bennett OConnell Co.) referred to the many available texts on dynamo de-sign. Before the windings are placed in the slots,the latter are usually insulated with cloth and papervof high electric strength. Often wooden or fiberslot wedges are used to securely lock the coils, pre-venting their movement when the armature revolves. Brush Mechanism 67 THE BRUSHES There are as many brushes as poles, and in prac-tice they are usually set slightly in advance of the. Fig. 31.—Brush Holder and Brush (Bennett OConnell Co.) latter. Specially designed brush holders, similar tothat shown in Fig. 31 are provided. Because of thelow voltage required in plating work, low resistance
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectelectro, bookyear1920
