Metal Finishing Guide Book


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Table II. Budgetary Costs for Mechanical Plating Systems Working Volume Cost Integrated Single-Barrel System with Centrifugal Dryer 0.17 m3 (6 ft3) $117,000 0.28 m3 (10 ft3) $133,000 Dual-Plating Machine System with Automatic Chromating/Passivation and Dryer 0.17 m3 (6 ft3) $231,000 0.28 m3 (10 ft3) $266,000 0.56 m3 (20 ft3) $317,000 0.85 m3 (30 ft3) $367,000 1.13 m3 (40 ft3) $436,000 ing area for operator activities. After plating, the load is discharged onto a vibrating surge hopper (4). At the screen or magnetic separator (5) section, water sprays wash the impact media from the parts and into a lower media sump (6). Media is later recycled to the overhead media reservoir (2) for reuse. The separated parts continue on to an optional automatic vibratory chromating/passivation section (7) and on to a belt, vibratory, or centrifugal dryer (8). Budgetary costs for typical complete mechanical plating and galvanizing systems are given in Table II. The range of floor space required for an equipment installation ranges from about 46 m2 (500 ft2) for the smaller systems to about 112 m2 (1,200 ft2). Ceiling minimum height requirement is about 5.5 m (18 ft). A floor pit for the lower media sump is usually required and ranges in depth from about 1 to 1.7 m (3.2-5.5 ft) and a width of about equal size. Fig. 4. One of the computer automation display screens showing cycle progress. 451

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