The Process
The CNC Punch Press-Turret
The process consisted of using a Computer Numerical Control (CNC) punch press to stamp out a topside assembly consisting of the top and seven other smaller parts. The large sheets were manually loaded onto the punch press; each sheet made five assemblies. While it was cycling, the operator would separate the prior sheet, remove the protective coating, segregate the parts, and load them into containers to be transported to the deburring operation. After 100 assemblies were completed, the operator would transport the production to deburring, change the setup, and produce the bottom-side assembly. The bottom-side assembly consisted of the bottom and four other smaller parts. These parts were handled the same as the topside assembly, with protective coating removal segregation, and placement into containers for transportation to deburring. After 100 assemblies had been produced, these too were transported to deburring and the operator would make a changeover to his next product. The machine cycle time was ten minutes, or two minutes per assembly, for both the top and bottom-side assemblies. The changeover time for this product was 36 minutes.
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