Situation Summary • Z & Z is a typical job shop supporting agriculture and automotive industries that produces parts that has a variety of machining applications, metals, and finishing requirements to meet their customer’s needs. They are currently using a competitor’s semi-synthetic CLC 4430 product at 8-9%. They have switched coolants twice in two years due to insufficient tool life. Oil contamination is high, leading to poor fluid condition and shorter sump life. • Test Machine is a Daewoo Puma Lathe. • Metals machined: 356 cast aluminum, c1020-c1030 steel, 8620 steel, grey iron, cast iron, stainless, and aluminumized bronze. Customer Stated Goal • Increase tool life • Improve parts finish as needed for their customers • Utilize a more environmentally safe product – no

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