Short Version - Green Belt - Oswaldo Alvarez - Certification Project
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Transcript of Short Version - Green Belt - Oswaldo Alvarez - Certification Project
TAPE & REEL SEAL TAPE QUALITY
GREEN BELT PROJECT: NLR-GB-J1302DIVISION: NLR-THERMISTORS
PLANT: BERMUDEZ IOSWALDO ALVAREZ – QUALITY ENGINEER
INITIAL SITUATION & OBJECTIVE
INITIAL• LOOSE TAPE – 3,611
PPMS.• COST TO COMPANY
25,292
OBJECTIVE• GOAL: 2000 PPMS.• STRETCH GOAL: 1000
PPMS
IMPACTED AREAS• TAPE AND REEL STATION – NEW SET-UP PARAMETERS• PRODUCTION – LESS RE-WORKS• MAINTENANCE – LESS MAINTENANCE CARDS• QUALITY – LESS LOTS• MATERIALS – CARRIER TAPE AND COVER TAPE USAGE• MACHINERY – NO INVESTMENT ON NEW EQUIPMENT
CURRENT SITUATION AFTER IMPROVEMENTS
Apr-13 May-13 Jun-13 Jul-13 Aug-13 Sep-13 Oct-13 Nov-13 Dec-13 Jan-140
2000
4000
6000
8000
10000
4653
9279
36662029
3951
883
2941 28591900
946
PPMS for loose tape
Result Goal
GREEN BELT TOOLS USED• PROCESS MAP• FISHBONE DIAGRAM• XY DIAGRAM• MSA – RR• CPK• MULTIVARI• BOXPLOTS• INTERACTION PLOT• RESIDUALS• CUBE PLOT• OPTIMIZATION PLOT• CONTROL PLAN
• COMPLETE DOE: HIT TARGET FULL FACTORIAL DATA COLLECTION ANALIZE DRAW SOLUTION REPLICATE/VALIDATE IMPLEMENT SOLUTION
OTHER POSSIBLE PROJECTS IDENTIFIED
• ELECTRICAL TEST IN OIL BATHS, WE HAVE CURRENTLY SOME ESCAPES AND THE PROCESS IS TEDIOUS AND MONOTONOUS.
• COATING FOR THERMISTOR, WE HAVE A HIGH PPM ON COSMETIC DEFECTS AND THE CURRENT COATING PROCESS HAS NO IMPROVEMENTS SINCE IMPLEMENTATION ON THE 90’S.
• INKING FOR FILM PRODUCTS, THE MIXTURE AND APPLICATION OF INK FOR RESISTIVE VALUE HAS A LOT OF PARAMETERS TO CONTROL AND WE CURRENTLY HAVE HIGH SCRAP IN THIS AREA.
• MARKING FOR WIRE WOUND LVR PRODUCT, WE CURRENTLY HAVE HIGH PPMS DUE TO DEFECTIVE OR MISSING STAMP ON THESE COMPONENTS
FINAL COMMENTS AND EXPERIENCES
• ANALYSIS OF VARIATION (MULTIVARI)• INTERACTION PLOT (INTERACTION BETWEEN PARAMETERS)• BOXPLOTS (COMPARISON BETWEEN RESULTS OF SET-UPS)• THE WHOLE THING WITH THE DOE AND THE OPTIMIZATION PLOT