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Gauge R&R in Minitab Stap 1: open Minitab

Gauge R&R in Minitab - Skoledo · PDF fileGauge R&R in Minitab Stap 5: bekijk de uitkomsten Number of parts in study 10 Number of operators in study 3 Number of replicates 2 Study

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Gauge R&R in MinitabStap 1: open Minitab

Gauge R&R in MinitabStap 2: kopieer en plak de data uit excel

Gauge R&R in MinitabStap 3: ga naar MSA

Gauge R&R in MinitabStap 4: vul gegevens in

Gauge R&R in MinitabStap 5: bekijk de uitkomsten

Number of parts in study 10Number of operators in study 3Number of replicates 2

Study Information

study.variation. The process variation is estimated from the parts in theThe measurement system variation equals 29,9% of the process

Yes No

0% 10% 30% 100%

29,9%

ReprodRepeatTotal Gage

48

36

24

12

0

30

10

%Study Var

total variation in the process.This equals 93,8% of the measurement variation and is 28,1% of thevariation that occurs when different people measure the same item.• Operator and Operator by Part components (Reproducibility): Thevariation in the process.equals 34,6% of the measurement variation and is 10,3% of the totalwhen the same person measures the same item multiple times. This• Test-Retest component (Repeatability): The variation that occursreproducibility to guide improvements:gage variation is unacceptable, look at repeatability andExamine the bar chart showing the sources of variation. If the total >30%: unacceptable 10% - 30%: marginal <10%: acceptableGeneral rules used to determine the capability of the system:

Variation by Source

(Replicates: Number of times each operator measured each part)

Comments

Gage R&R Study for AfhandeltijdSummary Report

Can you adequately assess process performance?

Gauge R&R in Minitab

Total Gage 0,059 29,91 Repeatability 0,020 10,35 Reproducibility 0,055 28,06 Operator 0,014 6,90 Operator by Part 0,054 27,20Part-to-Part 0,188 95,42

Study Variation 0,197 100,00

Source StDev %Study Variation

10987654321

1,0

0,8

0,6

0,4

Parts

321

1,0

0,8

0,6

0,4

Operators

321

0,048

0,036

0,024

0,012

0,000

Operators

Ran

ge

10987654321

Parts

Test-Retest Ranges (Repeatability)

Operators and Parts with larger ranges have less consistency.

Reproducibility — Operator by Part InteractionLook for abnormal points or patterns.

Reproducibility — Operator Main EffectsLook for operators with higher or lower averages.

Gage R&R Study for AfhandeltijdVariation Report

Gauge R&R in Minitab: conclusie?

Net op de grens. Total G R&R is 8,94% (grens is 9%) en % Study is 29,91 % (grens is 30%) Kijk of je het meetsysteem nog kan

verbeteren. Reproduceerbaarheid is het grootste probleem. .