SIX SIGMA DMAIC STEPS: CTQs – CTPs

DEFINE: PURPOSE – TO MAKE A PROJECT PLAN:

  • FIND CTQs – FROM VOC, KANO, BENCHMARKING
  • MAKE PROJECT CHARTER
  • MAKE OVERVIEW PROCESS MAP (SIRPORC)
  • DEFINE RESPONSIBLITIES

MEASURE: PURPOSE – TO MEASURE BASELINE DATA (CURRENT STATUS):

  • FIND CTPs
  • MAKE SAMPLING PLAN
  • COLLECT BASELINE DATA FOR CTQs AND CTPs
  • CALCULATE CURRENT PROCESS CAPABILITY (SIGMA LEVELS)

ANALYZE: PURPOSE – TO ANALYZE THE COLLECTED DATA:

  • UNDERSTAND NATURE OF VARIATION
  • ANALYZE PROCESS MAPS
  • FIND ROOT CAUSES FOR BEHAVIOR OF CTPs
  • FIND CORRELATION BETWEEN CTPs and CTQs
  • SHORT-LIST SOLUTIONS FOR IMPLEMENTATION

IMPROVE: PURPOSE – TO IMPLEMENT THE CHOSEN SOLUTIONS:

  • FINALISE THE SOLUTIONS TO BE IMPLEMENTED
  • FMEA: RISK ASSESSMENT & RISK REDUCTION
  • PILOT TRIALS OF THE SOLUTION – VERIFICATION
  • FINE-TUNE SOLUTION BASED ON RESULTS OF PILOT
  • FULL-SCALE IMPLEMENTATION: FOCUS ON IMPROVING THE CTPs – VALIDATION

CONTROL: PURPOSE – TO ENSURE THAT THE IMPROVEMENT IS SUSTAINED

  • AUTHENTICATE THE SAVINGS
  • PREPARE REVISED DOCUMENTATION FOR THE NEW PROCESSES (SOPs, WIs)
  • TRAIN PEOPLE FOR THE NEW DOCUMENTATION
  • PREPARE AUDIT PLAN –TO ENSURE COMPLAINCE WITH NEW DOCUMENTATION
  • DEVELOP CONTROL CHARTS FOR CTQs AND CTPs

Read more click here: Note (1) & Note (2)

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