finishing equipment & plant engineering
ENERGY AND RESOURCE REDUCTION
FOR AUTOMATED FINISHING SYSTEMS
BY TIMOTHY J. KURCZ, DIRECTOR OF SALES, JESSUP ENGINEERING, INC.,
ROCHESTER HILLS, MICH.
OEM and independent job shops can benefit tremendously from investment innew automatic finishing equipment by operating faster, more efficient machinesthat deliver repeatable quality with reduced labor. Knowledgeable buyers increasinglydemand integrated computercontrols to manage water and chemistryreplenishment, rectifiers, ventilation and air makeup systems, and wastewatertreatment to reduce energy and resource consumption and associated ongoingcosts.Before management features can be designed, a new machine should be
carefully sized to meet current and future production requirements. The veryfoundation of energy management begins with proper sizing of the rack, barrel,or basket — collectively known as the work package. Total work package surfacearea is critical for rectifier sizing; chemistry and rinse water replenishment.For racks and baskets, the work package is defined as the width, height, lengthdirection of travel (DOT), and load weight, plus liquid if very large or cuppingparts are processed. Barrel capacity is defined as the width, diameter, and loadweight: A long-established rule of thumb suggests 33% fill for plating and 80%fill for coating (volumes) are typical for barrels.With the work package established, overall dimensions are used to determinetank size and hoist capacity. The objective is to limit tank surface area tothe greatest extent possible, thus reducing evaporative losses and floor spacerequired. Maximum load weight, combined with rack or barrel weight, dictateshoist capacity, including lift, transfer, ............................
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