omatic and proces process is mon I by slastical process 020 mm The process is in control, as established by samples of size 6 The upper and lower specifications for the diameter of the rolers are 8 20-025) and 8 20-0251mm repectively Click the icon to view the table of factors for calculating three sigma limits for the chart and chart a. Calculate the control limits for the mean and range charts The UCL equals and the LCL equam (Enter your responses rounded to two decimal places)
omatic and proces process is mon I by slastical process 020 mm The process is in control, as established by samples of size 6 The upper and lower specifications for the diameter of the rolers are 8 20-025) and 8 20-0251mm repectively Click the icon to view the table of factors for calculating three sigma limits for the chart and chart a. Calculate the control limits for the mean and range charts The UCL equals and the LCL equam (Enter your responses rounded to two decimal places)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:An automatic lathe produces rollers for roller bearings, and the process is monitored by statistical process control charts. The central Ine of the chart for the sample means is set at 8 20 and for the mean range at
026 mm The process is in control, as established by samples of size 6 The upper and lower specifications for the diameter of the rollers are (8 20-025) and (820-025) mm, respectively
Click the icon to view the table of factors for calculating three-sigma limits for the chart and Richart
a. Calculate the control limits for the mean and range charts
The UCL equals men and the LCI equals mm (Enter your responses rounded to two decimal places)
Transcribed Image Text:Size of
Sample (n)
2
673L SAWN
3
5
6
8
10
Factors for calculating three-sigma limits for the x-chart and R-chart
Factor for UCL and LCL
for x-chart (A₂)
Factor for LCL
for R-Chart (D3)
1.880
1,023
0.729
0577
0 483
0.419
0.373
0.337
0.308
00000
0.076
0.136
0.184
0.223
Factor for UCL
for R-Chart (D4)
3.267
2.575
2.282
2.115
2.004
1.924
1.864
1.816
1.777
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