Il moderno electroplater; un libro completo considerando pienamente i principi elementari di elettro deposizione di metalli e la loro applicazione pratica e uso industriale . costruito e certamente più pleasingin aspetto. Vi sono diversi stili di theseboxes sul mercato, quello mostrato in Fig. 74 beinga buon tipo. Compressore aria come è stato affermato nel capitolo V, aria compressa viene utilizzataper il vantaggio in agitazione delle soluzioni elettrolitiche.La sabbia-blast macchina, la lacca spray e sev- 120 Il moderno Electroplater erale altri dispositivi richiedono anche l'aria sotto pressione.fabbriche di solito operare una grande

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The modern electroplater; a complete book considering fully the elementary principles of electro deposition of metals, their practical application and industrial use . built and certainly more pleasingin appearance. There are several styles of theseboxes on the market, the one shown in Fig. 74 beinga good type. AIR COMPRESSOR As was stated in Chapter V, compressed air is usedto advantage in the agitation of electrolytic solutions.The sand-blast machine, the lacquer spray, and sev- 120 The Modern Electroplater eral other devices also require air under pressure.Factories usually operate a large compressor whichfurnishes air to the plating room as well as otherdepartments. Individual shops will, in many in-stances, have to supply their own compressed air.Before purchasing a compressor, a summation of allwork requiring such service should be made to insurethe selection of a machine of the correct capacity.The most economical method of driving the compres-sor is by an individual motor, thus eliminating allline shaft losses when the machine is idle. TIME DIAL A convenient method of denoting the time at whichwork should be removed from the plating tank is. Fig. 75.—Time Dial(Crown Rheostat & Supply Co.) Plating Anodes 121 furnished through the use of a time dial, such as isshown in Fig. 75. A thumbpiece connects throughthe glass with the hands, allowing the latter to beset to indicate the hour and minute. If possible, atime dial should be placed above or on each activetank. PLATING ANODES There are several shapes and kinds of platinganodes on the market. Many of these are especiallydesigned for certain classes of work. For this reasona brief discussion of the more important types isnecessary. FLAT ANODE The flat anode was for many years the standardtype used for all classes of work. While still popu-lar, other shapes can now be adapted to greater ad-vantage in many instances. For nickel plating castanodes may be employed. A good point featured byseveral manufacturers is

Parole chiave associate all'immagine

• bookcentury1900
• bookdecade1920
• booksubjectelectro
• bookyear1920