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Printer Consumable Process Six Sigma Case Study


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Printer Consumable Process Six Sigma Case Study

  1. 1. Six Sigma DMAIC Project GE Aircraft Engines Project Leader/Green Belt: Keri W. Chandler Project Leader Title: Customer Engineer Project Start Date: June 9, 2003Master Black Belt: Steven Bonacorsi
  2. 2. Six Sigma in Action Printer ConsumablesCustomer Profile – 8,000 seat Aircraft Manufacturing CompanyBusiness Problem & ImpactWhen a printer is retired the consumable supplies are notbeing removed from inventory in the GEAE IME Tool Crib. Process Capability – BeforeGEAE is paying for supplies that are no longer needed. Measure & Analyze Success Defect 67% Data Collection: The IME Tool Crib was inventoried for all 33% (54 Units) Consumable supplies in June, 2003. As Is the process was (27 Units) 67% defective and operated at a 1 sigma (ST) Root Causes: Root Causes to variation was determined to be: No one owns removal of obsolete inventory, Unclear process when a part becomes obsolete, over-purchasing unneeded supplies Z_ST = 1 SigmaImprove & ControlImprove:A Pugh Matrix was used to determine the best Process Capability – Afterpossible solution. GEITS removing consumable supplies oncea printer was decommissioned had the greatest sum ofpositives and least negatives , thus was the logical choice. SuccessControl: The new printer consumable removal process was 100%implemented in August 2003. Moving forward, on site techswill inventory the IME tool crib once a printer is (87 Units)decommissioned and return supplies to Vendor for credit.Results/Benefits Z_ST = 6 SigmaAt the end of process implementation defects were reduced by27%, Sigma increased to 1.8 (st). Resulting in a direct savingsof > $920.00 for the customer. A Savings of US $1,633 in 2003!