MSA pdf Assignment 01
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Assignment 1A ( /60)
Accuracy Studies
Course: Measurement System and Process Evaluations –
QUAL8016
Student Names: Jaykishan Brahmbhatt ( 8929804)
Janam Patel (8911416)
Stavan Shah (8944626)
Varshil Patel (8843716)
Date: 2023-09-28
Assignment 1A Instructions
Stability Study:
•
Obtain the stability data from the instructor (see the excel sheet) and add it to slide 4.
•
Describe the stability procedure used to obtain the stability data in slide 4.
•
Perform the stability study and analyze the results in slide 5
Bias Study:
•
Obtain the bias data from your measurements (group work, see the excel sheet) and add it to slide 6.
•
Describe the procedure used to obtain the bias data in slide 6.
•
Perform the Bias study and analyze the results in slides 7 and 8.
Linearity Study:
•
Obtain the linearity data from measurements (group work, see the excel sheet) and add it to slide 9.
•
Describe the procedure used to obtain the linearity in slide 9.
•
Perform the linearity study and analyze the results in slide 10.
Measurement System and Instrument Resolution:
•
Answer the questions in Slide 11
Complete the executive summary in slide 3.
Complete the conclusions and recommendations in slide 12.
Complete the references in slide 13. Note: class presentations need to be referenced as well.
Executive Summary (3)
1.
Stability Study
2.
Bias Analysis
3.
Linearity Analysis
4.
Measurement System and Instrument Resolution
5.
Conclusions and Recommendations
6.
Reference and Writing
Stability Study
Stability Procedure (4 pts)
List the procedure used to obtain the stability data:
1.
Select a representative production part with measurements in the middle of the production range as the reference sample for stability analysis. The exact true value is not needed for this analysis.
2.
Measure this part 3 to 5 times daily for at least 20 days, ensuring measurements are taken at different times. These measurements should be carried out by the regular operator responsible for production measurements.
3.
In Minitab, create X-bar and R control charts by navigating to "Stat" > "Control Charts" > "Variable Charts for Subgroup" > "Xbar-
R…" and plot the collected data for analysis.
Number of parts used: 1
Who took the measurements: Instructor
Sample size: 5
Sample frequency: Daily
Stability Data (0.5 pts)
Insert stability data here (Instructor to provide data)
Day
1
2
3
4
5
1
2.5
2.49
2.5
2.51
2.48
2
2.51
2.5
2.51
2.49
2.5
3
2.49
2.48
2.48
2.49
2.47
4
2.49
2.5
2.49
2.5
2.5
5
2.49
2.5
2.48
2.49
2.48
6
2.49
2.48
2.47
2.48
2.49
7
2.45
2.48
2.48
2.49
2.5
8
2.5
2.51
2.5
2.49
2.49
9
2.5
2.48
2.49
2.51
2.48
10
2.5
2.49
2.51
2.49
2.5
11
2.48
2.47
2.48
2.49
2.47
12
2.49
2.5
2.49
2.48
2.49
13
2.51
2.5
2.48
2.49
2.51
14
2.49
2.48
2.47
2.48
2.49
15
2.47
2.48
2.48
2.49
2.5
16
2.5
2.51
2.5
2.49
2.49
17
2.51
2.5
2.48
2.49
2.51
18
2.49
2.48
2.47
2.48
2.49
19
2.48
2.48
2.48
2.49
2.5
20
2.49
2.49
2.5
2.49
2.4
Stability Study (Cont
…)
Perform the Stability Study in Minitab using the data in the previous slide and analyze the results below. Xbar-R Charts (1 pt)
Insert the Xbar and R charts here
Stability results analysis (5 pts)
•
Is this measurement system stable? Explain your answer. (5)
1.
After studying both graphs in sample range graph one point is showing out of control condition so we can say that measurement system is unstable. We cannot continue with measurement system analysis.
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