forts on other products in their lineup. It greatly reduced the need for surge capacity in the spring. T e part also saw a cost reduction of 60%.
3. Production volumes have grown, or a family of parts has grown so the number of parts and subcomponents has become unwieldy.
Monarch Industries (Winnipeg, Manitoba, Canada) worked with a customer to redesign the mount- ing structure for tillage equipment. Each weldment contained an average of eight pieces of square and round tubing and plasma/laser cut plates. As the customer designed new pieces or new sizes and variations, the family of weldments grew to 17 diff erent part numbers with a total of about 136 subcomponents. Each part num-
This investment cast housing replaced a two-piece hogout and incorporated additional features that improved the part’s function and value.
This 30-piece planter row unit (back- ground) was redesigned as seven castings. Reducing part count helps decrease assembly time and inventory management.
Mar/Apr 2017 | METAL CASTING DESIGN & PURCHASING | 19
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