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examplePFMEA

内容简介:Potential Failure Mode De t S e v O c c R P N Action ResultsO c c D e t R P ...

内容简介:Potential Failure Mode De t S e v O c c R P N Action ResultsO c c D e t R P N Recommended Action(s) Actions Taken Current Process Controls - Prevention - Detection Process Function Potential Effect(s) of Failure Class Potential Cause(s)/ Mechanism(s) of Failure Resp. & Target Compl. Date S e v Requirements MM-2X MM-2000FMEA Number Key Date 4/24/2001 Sam and Janet Eveling R. Yates/867-5309Prepared By Core Team 03/02/20012/2/1999 POTENTIAL FMEA Date (Orig.) (Rev.)2001/N/AModel Year(s)/Program(s) GoodsonProcess ResponsibilityItem FAILURE MODE AND EFFECTS ANALYSIS IN MANUFACTURING AND ASSEMBLY PROCESSES (PROCESS FMEA) 010 - Wind wire around index finger >Char Control 1: Measure with gage. Diameter too large - Coil hits battery during operation - Rotor is short because too much material is used in coils 8 Wire wound loosely 3 4 96 None None 001 - Coil diameter Ü Diameter too small - Weak motor - Difficult removal from finger 6 Finger too small 4 3 72 None None Diameter too large - Coil hits battery during operation - Rotor is short because too much material is used in coils 8 Finger too large 5 3 120 None None Diameter too small - Weak motor - Difficult removal from finger 6 Wire wound tight 8 3 144 Provide operator with a tool for grasping the wire that limits the tension. Tool developed, tested, and implemented at process step 010. 6 3 3 54Tool Engineering 6/6/1999 >Char Control 1: Operator counts number of coils out loud. Too few coils - Motor too weak 5 Operator miscounts 2 3 30 None None 002 - # of coils Ü Not enough wire 3 4 60 None None Too many coils - Rotor too short to reach supports - Motor too powerful - Wasted material 8 Operator miscounts 2 3 48 None None >Char Control 1: Use ruler to locate start position. Starting position too incorrect (long or short) - Opposing wire end too short to reach support - Not enough wire to wind all coils 7 Light dim so ruler hard to read 2 3 42 None None 110 - Coil starting position Ruler worn so hard to read 3 3 63 None None 4/5/2001 12:21:30 PM Page 1 of 2PFMEA MM-2000 This is not a controlled documentPotential Failure Mode De t S e v O c c R P N Action ResultsO c c D e t R P N Recommended Action(s) Actions Taken Current Process Controls - Prevention - Detection Process Function Potential Effect(s) of Failure Class Potential Cause(s)/ Mechanism(s) of Failure Resp. & Target Compl. Date S e v Requirements MM-2X MM-2000FMEA Number Key Date 4/24/2001 Sam and Janet Eveling R. Yates/867-5309Prepared By Core Team 03/02/20012/2/1999 POTENTIAL FMEA Date (Orig.) (Rev.)2001/N/AModel Year(s)/Program(s) GoodsonProcess ResponsibilityItem FAILURE MODE AND EFFECTS ANALYSIS IN MANUFACTURING AND ASSEMBLY PROCESSES (PROCESS FMEA) 020 - Slip wound wire off finger Rotor mis-shapen 0 None None 111 - Maintain rotor shape 030 - Sand coating off wire ends Bare wire too long 0 None None 004 - Length of coating removed Bar wire too short 0 None None Sanding time too long 0 None None 113 - Sanding time Sanding time too short 0 None None 040 - Store finished wire (rotor) Lot ID lost 0 None None 100 - Maintain lot ID Rotor mis-shapen 0 None None 111 - Maintain rotor shape 050 - Bend clips to make supports Support mis- shapen 0 None None 005 - Rotor support shaped like print 060 - Store rotor supports Lot ID lost 0 None None 100 - Maintain lot ID Support mis- shapen 0 None None 112 - Maintain support shape 4/5/2001 12:21:31 PM Page 2 of 2PFMEA MM-2000 This is not a controlled document

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