The polishing and plating of metals; a manual for the electroplater, giving modern methods of polishing, plating, buffing, oxydizing and lacquering metals, for the progressive workman . o which standpipe may bo lilted. open at the bottom and reaching nearly to the bottom of thetank. This pipe should be of sufficient diameter to heat uptin- water quickly, when work requiring hot rinsing is beingdone. The steam must he clean and should come directfrom the boiler, if possible ; it will not do to use exhauststeam, as that contains oil, while the rinsing water musthe kept clean; and the pressure mu
The polishing and plating of metals; a manual for the electroplater, giving modern methods of polishing, plating, buffing, oxydizing and lacquering metals, for the progressive workman . o which standpipe may bo lilted. open at the bottom and reaching nearly to the bottom of thetank. This pipe should be of sufficient diameter to heat uptin- water quickly, when work requiring hot rinsing is beingdone. The steam must he clean and should come directfrom the boiler, if possible ; it will not do to use exhauststeam, as that contains oil, while the rinsing water musthe kept clean; and the pressure must he such as to healthe water to the boiling point. Much time is ]<{ in thewages account by neglecting this point. There are manyshops where plating cannot he done for an hour or moreaftcrstartin<7work in the morningf,! ecause there is not steam 126 THE POLISHING AND PLATING OF METALS. enoughtoheat up the potash tank properly, so that the ownerloses in reduction of output many times the cost of properfittings every month. This loss is greatly aggravated incold weather, many shops not getting up speed in suchweather before ten oclock in the morning, during three or. Fig. 36. Pickling and Dipping Tank, showing jars in position for work four months of the year. There should be steam enoughto heat a hundred-gallon tank in a half hour, so that workmay be started quickly. Then, when once warmed up, thesteam supply is cut down and no more is used than is THE POLISHING AND PLATING OK METALS. I 27 required. A one inch lead is generally sufficient for thispurpose, unless the pipe is very long and it is left withoutcovering or other protection. The jars containing pickles and dips are set in the tankswhile they are being used and the rinsing is done just out-side the jar; this is clearly shown in Fig. 36. If the jarsare small, they may be used in a deep tank by making a pileof bricks which will raise the .top of the jar far enoughto prevent water getting into the jar, while the tem
Size: 1512px × 1653px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectelectro, bookyear1904
