Introduction to Quality ControlTaylor & Francis, 1. 1. 1990 - Počet stran: 435 |
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Výsledky 1-3 z 52
Strana 151
... subgroup size ( n ) should if possible be the same for each subgroup . For example , if four measurements were taken on one day , five on another , etc. , the data should be divided into equal subgroups ( e.g. , of five items ) in time ...
... subgroup size ( n ) should if possible be the same for each subgroup . For example , if four measurements were taken on one day , five on another , etc. , the data should be divided into equal subgroups ( e.g. , of five items ) in time ...
Strana 154
... subgroup from the maximum value in the subgroup . For group no . 1 , R = 2.2-1.9 = 0.3 . Note that R is always either 0 or more and is never a negative value . For example , in a group such as ( -1 , -3 , -5 , -4 , ) , R = ( − 1 ) ...
... subgroup from the maximum value in the subgroup . For group no . 1 , R = 2.2-1.9 = 0.3 . Note that R is always either 0 or more and is never a negative value . For example , in a group such as ( -1 , -3 , -5 , -4 , ) , R = ( − 1 ) ...
Strana 262
... subgroup variation σ , 2 and the within - subgroup variation σ.2 . If we do this , we have : 2 σ2 = σb2 + σ2 + σs2 + 0M2 And the variation in x is given by : ( 4A.3 ) -2 2 σχο 1 ( 01 2 + σs 2 + σM2 ) n ( 4A.4 ) In formulas 4A.2 and 4A.4 ...
... subgroup variation σ , 2 and the within - subgroup variation σ.2 . If we do this , we have : 2 σ2 = σb2 + σ2 + σs2 + 0M2 And the variation in x is given by : ( 4A.3 ) -2 2 σχο 1 ( 01 2 + σs 2 + σM2 ) n ( 4A.4 ) In formulas 4A.2 and 4A.4 ...
Obsah
CHAPTER 3 | 62 |
CHAPTER 2 | 97 |
2 Frequency Distribution Table | 105 |
Autorská práva | |
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adjustment analyzed assignable causes calculated carried cause-and-effect diagrams changes check sheets complaints control charts control limits control lines correlation cost decide design of experiment dispersion eliminate engineers equipment error example experiments factory Figure fraction defective frequency distributions graphs histogram implementing important inspec inspection department investigated machine manufacturing means ment new-product development number of defectives obtained operating organization Pareto diagrams Pareto principle percent defective performed plans plotted possible pre-delivery inspection prepared problems process analysis process average process capability process capability index process control QC circle activities QC process chart QC teams quality assurance quality characteristics quality standards raw material reliability responsibility revised sampling inspection sampling method scatter diagrams section managers statistical methods statistical tools Step stratified subgroup suppliers Table taken taking action technical testing tion top management total quality control trol type I error values variation workplace
Odkazy na tuto knihu
Managing Production: Engineering Change and Stability Graham Winch Náhled není k dispozici. - 1994 |