What is relation between product tolerance (engineering tolerance) and process variation.? Explain in some details showing some representation
What is relation between product tolerance (engineering tolerance) and process variation.? Explain in some details showing some representation
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question 4
- What is relation between product tolerance (engineering tolerance) and process variation.? Explain in some details showing some representation.
- Analyze the following study in terms:
- Components of variations and their contributions
- X Chart and R Chart
3.
Calculate the process capability (show your method). Is it acceptable? Comment on this result.
Transcribed Image Text:Process Capability SnapShot
Cpk Chart
X Chart
140
LSL
USL
130
UCL-
-30
30
120
110
х 100
Avg
90
80
70
LCL
60
40
60
80
100
120
140
160
Normal Probability Plot (AD* =0.286, p=0.624)
Moving Range Chart
40
UCL
30
20
10
0 t m m
75 80 85 90 95 100 105 110 115 120 125 130
99
95
TS
TE
Transcribed Image Text:Components of Variation
DATA by PARTS
100-
6 Contrbution
% Study Var
% Tolerance
11.14
11.12
50-
11.10
Gage R&R
Repeat
Reprod
Part-to-Part
1
2
8
10
PARTS
R Chart by OPERATOR
Two
DATA by OPERATOR
One
Three
11.144
UCL=0.01188
0.010 -
11.12-
0.005-
R=0.00462
11.10-
0.000 -
La=0
One
Two
Three
OPERATOR
Xbar Chart by OPERATOR
One
Two
Three
OPERATOR * PARTS Interaction
11.14-
11.14
OPERATOR
UCL-11.12530
X-11.12057
LCL-11.11585
One
- Two
Three
11.12-
11.12-
11.10
11.10-
2
7
8.
9 10
PARTS
Sample Mean
Sample Range
Percent
Average
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