1. The document outlines steps for initial planning and clarification of a processing point system, including identifying the systems, stratifying data, and composing a schematic of the processing point.
2. A QM matrix is compiled to analyze machine characteristics and their degree of influence on output.
3. Potential causes of variability are identified by studying current working conditions, identifying causes of non-conformities, and compiling a re-pilot causes checklist.
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Tuzzi wcm flow PPA it
1. 1 INITIAL PLANNING
2 CLARIFY THE PRINCIPLES AND
OPERATING STANDARDS BY MAKING A
3 T H E S Y S T E M S T O C O N S T IT U T E T H E
RACCOLTA DEI DATI ANALISI DEI DATI SKETCH OF THE PROCESSING POINT P R O C E S S IN G P O IN T
SONO
SI
START AGGREGATI?
NO S C O M P O S IZ IO N E
START A T T R E Z Z A T U R A IN
S IS T E M I
IDENTIFICAZIONE DEL IDENTIFICAZIONE STRATIFICAZIONE DEI IDENTIFICARE I
„PROCESS POINT” AREA INTERVENTO DATI (PARETO)
START SISTEMI OPERATIVI
(ZT) D E S C R IZ IO N E D E I
(CHECK LIST) S IS T E M I IN „C O S A
F A N N O ” (G E N E R IC O )
ASSEGNAZIONE TEMA
AL TEAM DI
MIGLIORAMENTO COMPILAZIONE
S C O M P O S IZ IO N E IN
SCHEDA DEI SISTEMI S O T T O S IS T E M I
E SOTTOSISTEMI (G E N E R IC O )
END
S C H E M A G R A F IC O „P P ”
END
END
6 QM MATRIX
Inspection item
Q Process control item Machine
characteristics
Section
M
Characteristics Check Large Medium Small 5 THE PROCESSING CONDITIONS
Screw
Clearance
clearance
Rubber • Mooney
property • Hardness No
Motor
K N O W- W H Y
• Foreign r.p.m. vibration
rotation
4
substances Output
Bank quantity: Rubbe
quantity
constant r
for Hot water
supply
extruder supply
Rubber
thickness quantity
Bank Temperature 60 ℃
Temperature
quantity of hot water constant
Cutter
Feed width position
Machine Feed Mandrel
characteristics thickness thickness
COMPILA IL QM Roller
START
Crown crown Crown
Roller shape quantity
MATRIX
Diameter: 0.25
VERIFICA CONDIZIONI
Offset: 5/1000 Degree of influence
Roller Offset
START
Roller
shape quantity
clearance
Fig. 6.12 MQ analysis DI LAVORO ATTUALI S T U D IO P O T E N Z IA L I
S T A R T
NO C A U S E V A R IA B IL IT A ’
COMPLETO? COMPLETAMENTO NO RIPRISTINO
CONFORMI? CONDIZIONI ID E N T IF IC A L E C A U S E
SI STANDARD D E L L A V A R IA B IL IT A ’
SI
ESEGUI LA
VALUTAZIONE STESURA CONTROL C O M P IL A L A S C H E D A
PLAN D I R IE P IL O G O C A U S E
END
END C H E C K
LIS T
E N D
7 5 Q ES N FO Z O D
U TIO S R ER EFEC ES
TIV
S R
TA T C M
O PILA LA M TR E
A IC
NO
C M
O PLETO? C M
O PLETA EN
M TO
SI
END