Case Studies Machining Center APPLICATION: CNC Machining Center ISSUE: A Jergens customer replaced an older VMC with a new Mori Seiki. In order to justify the cost, they needed to maximize the time the machine was producing. They purchased the high-speed spindle and high-pressure coolant to help minimize cycle times, but they needed to minimize set-up time too. Set-ups on the old VMC were running between 1-1/2 and 5 hours. The goal was to reduce changeovers to less than half an hour. Minimizing changeover time requires analyzing the individual tasks required for the set-up and sorting those tasks into 2 categories. Tasks such as pulling and pre-setting tooling can be done while other jobs are running. They don’t require the machine to be idle. Changing procedures to perform set-up tasks wh

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