SPC samenvatting
Reader Els Meertens
Inhoud
Hoofdstuk 0 Formule blad.....................................................................................................................................................................1
Hoofdstuk 1 Statische Proces Beheersing.............................................................................................................................................2
1.1 Een beheerst proces....................................................................................................................................................................2
1.2 Regelkaarten...............................................................................................................................................................................2
Hoofdstuk 2 Discrete regelkaarten.......................................................................................................................................................4
2.1 P-kaart.........................................................................................................................................................................................4
2.2 C-kaart.........................................................................................................................................................................................4
Hoofdstuk 3 Continue regelkaarten......................................................................................................................................................5
3.1 MR-kaart......................................................................................................................................................................................5
3.2 XR-kaart.......................................................................................................................................................................................5
Hoofdstuk 4 Interpretatie van regelkaarten.........................................................................................................................................6
4.1 Acties...........................................................................................................................................................................................6
Hoofdstuk 5 Capability..........................................................................................................................................................................7
5.1 De Cp index..................................................................................................................................................................................7
5.2 De Cpk index................................................................................................................................................................................7
5.3 Uitval...........................................................................................................................................................................................7
Hoofdstuk 6 Hypothese toetsing..........................................................................................................................................................8
I
, Hoofdstuk 0 Formule blad
P-kaart CLp(1−C L p)
UC L p=C L p +3∗
√ n
CLp(1−C L p )
C-kaart
LC L p=C L p−3∗
√
UC Lc =C Lc +3∗ √C Lc
n
LC Lc =C Lc −3∗√ C Lc
MR-kaart k
| X i−X i−1| k
|Ri−Ri−1|
M R x =∑ M R R =∑
i=2 k−1 i=2 k −1
UC Lx = X́+ 2,66∗M R x UC LR = Ŕ+2,66∗M R R
UC Lx = X́−2,66∗M R x UC LR = Ŕ−2,66∗M R R
XR-kaart
R=
∑ ranges
aantal ranges
UC Lx = X́+ A 2 R UC Lx =D 4∗R
LC L x = X́− A 2 R LC L x =D3∗R
Cp T b−T o
Cp=
6σ
Cpk T b −μ of μ−T o
Cpk=
3σ
Z-waarde/uitval T b−μ T o−μ
z= z=
σ σ
Hypothese Ondergrens=μ−z∗s
Bovengrens=μ+ z∗s
σs σ
s=
√n
1
Reader Els Meertens
Inhoud
Hoofdstuk 0 Formule blad.....................................................................................................................................................................1
Hoofdstuk 1 Statische Proces Beheersing.............................................................................................................................................2
1.1 Een beheerst proces....................................................................................................................................................................2
1.2 Regelkaarten...............................................................................................................................................................................2
Hoofdstuk 2 Discrete regelkaarten.......................................................................................................................................................4
2.1 P-kaart.........................................................................................................................................................................................4
2.2 C-kaart.........................................................................................................................................................................................4
Hoofdstuk 3 Continue regelkaarten......................................................................................................................................................5
3.1 MR-kaart......................................................................................................................................................................................5
3.2 XR-kaart.......................................................................................................................................................................................5
Hoofdstuk 4 Interpretatie van regelkaarten.........................................................................................................................................6
4.1 Acties...........................................................................................................................................................................................6
Hoofdstuk 5 Capability..........................................................................................................................................................................7
5.1 De Cp index..................................................................................................................................................................................7
5.2 De Cpk index................................................................................................................................................................................7
5.3 Uitval...........................................................................................................................................................................................7
Hoofdstuk 6 Hypothese toetsing..........................................................................................................................................................8
I
, Hoofdstuk 0 Formule blad
P-kaart CLp(1−C L p)
UC L p=C L p +3∗
√ n
CLp(1−C L p )
C-kaart
LC L p=C L p−3∗
√
UC Lc =C Lc +3∗ √C Lc
n
LC Lc =C Lc −3∗√ C Lc
MR-kaart k
| X i−X i−1| k
|Ri−Ri−1|
M R x =∑ M R R =∑
i=2 k−1 i=2 k −1
UC Lx = X́+ 2,66∗M R x UC LR = Ŕ+2,66∗M R R
UC Lx = X́−2,66∗M R x UC LR = Ŕ−2,66∗M R R
XR-kaart
R=
∑ ranges
aantal ranges
UC Lx = X́+ A 2 R UC Lx =D 4∗R
LC L x = X́− A 2 R LC L x =D3∗R
Cp T b−T o
Cp=
6σ
Cpk T b −μ of μ−T o
Cpk=
3σ
Z-waarde/uitval T b−μ T o−μ
z= z=
σ σ
Hypothese Ondergrens=μ−z∗s
Bovengrens=μ+ z∗s
σs σ
s=
√n
1
