Appendix 1 (n) Process Control Chart Factors Control Limit UCL Factor LCL Factor Factor for Sample Factor for for Ranges

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Appendix 1 N Process Control Chart Factors Control Limit Ucl Factor Lcl Factor Factor For Sample Factor For For Ranges 1 (12.92 KiB) Viewed 35 times

Measurement data for part hole diameter had been
collected for 25 days with 5 samples (n) per
day.
The ∑X is calculated and the value is
288. The ∑R is 82. (Refer Appendix 1 for the value of
Control chart
factors)
Calculate:
e. LCL X
f. UCL R
g. LCL R
Appendix 1 (n) Process Control Chart Factors Control Limit UCL Factor LCL Factor Factor for Sample Factor for for Ranges for Ranges Estimating (Subgroup) Averages (Range (Range Sigma Size (Mean Charts) Charts) Charts) (0 = R/d) (A) (D) (D3) (d) 1.880 3.267 0 1.128 1.023 2.575 1.693 0.729 2.282 2.059 0.577 2.115 0 2.326 0.483 2.004 0 2.534 0.419 1.924 0.076 2.704 8 0.373 1.864 0.136 2.847 0.337 1.816 0.184 2.970 10 0.308 1.777 0.223 3.078 DONAWN