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X. GRAF No. GRAFICA DE CONTROL DE VARIABLES ( X - R ). SI ( ). DEPTO. OPERACION. ESPECIFICACION. MODELO. PLANTA. ITEM DE. NO ( ). CONTROL. FECHAS. CARACTERISTICA. FREC. DE MUESTRA. No. DE PARTE. LINEA. P. ROMEDIO. (. CARTA X. ). LSC. . . A. R. . LIC. .

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Presentation Transcript
slide1

X

GRAF No.

GRAFICA DE CONTROL DE VARIABLES ( X - R )

SI ( )

DEPTO.

OPERACION

ESPECIFICACION

MODELO

PLANTA

ITEM DE

NO ( )

CONTROL

FECHAS

CARACTERISTICA

FREC. DE MUESTRA

No. DE PARTE

LINEA

P

ROMEDIO

(

CARTA X

)

LSC

A

R

LIC

X

A

X

R

X

Media

2

2

MEDIDAS A TOMAR

Causas Especiales

CUALQUIER PUNTO FUERA DE

CONTROL

UNA SERIE DE 7 PUNTOS ARRIBA O

ABAJO DE LA LINEA CENTRAL

UNA TENDENCIA DE 7 INTERVALOS

ACENDENTES O DECENDENTES

CUALQUIER OTRO PATRON QUE

DEMUESTRE INESTABILIDAD

ACCIONES

1

2

RECORRIDOS

(

R

)

R

Media

R =

LSC

D

*

R =

LIC

D

*

R =

4

3

3

4

5

TAMAÑO DE

SUBGRUPOS

A

D

D

2

3

4

FECHA

1.88

*

3.27

2

1.02

*

2.57

3

HORA

0.73

*

2.28

4

0.58

*

2.11

5

TURNO

0.48

*

2.00

6

0.42

0.08

1.92

1

7

L

0.37

0.14

1.86

8

2

E

R

0.34

0.18

1.82

9

0.31

0.22

1.78

10

C

A

3

T

S

A2 = 0.577

4

U

5

Para poder determinar la

capacidad el proceso

debe estar bajo control

SUMA

PROMEDIO

RANGO

ITCA 09-01-04-05 REV (1)

slide2

GRAFICA No.

MUESTRA DE 5 PZAS

X = X

LSC = D R

LSC = X + A R

4

A

2

.577

R

2

X

No. de datos

d

2.326

2

LIC = D R

R = R

LIC = X - A R

3

D

2

0

R

X

3

No. de datos

D

2.114

4

DEPTOS

DATO No.

FECHA

DESCRIPCION DEL PROBLEMA

CAUSAS

ACCION CORRECTIVA

INVOLUCRADO