100-Metodos-de-Qualidade-Total

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DATA COLLECTION, ANALYSIS AND DISPLAY 207 Cold end inspect pack ware No 2 Freeze 30 min. of packed ware 3 4 Inform hot end to reject mount from section until clear Reject mould from lehr until gap appears Log incident details and actions taken 5 Obtain engineering help to rectify inex #55 12 (if applicable) 6 .--... Resort / check frozen pallets No 7 1---1 .. Freeze further 30 min. of packed ware Figure 2 Detailed flowchart (prevention of CDs into pack) of area under cold end control Source: Kanji and Asher, 1993
208 100 METHODS FOR TOTAL QUALITY MANAGEMENT Method 90 Process capability Purpose To demonstrate whether a process is capable of meeting a specification and to calculate an index to show this capability. When to use During design, commissioning or post-commissioning to demonstrate the capability of a product or process. How to use The calculation of process capability depends on whether the process is measured in terms of variables data or attributes data. For variables data, capability is expressed in terms of an index called Cp o Cp is dependent upon the actual centre of the process performance being the same as the centre of the specification. When this is so, the index is calculated as: C _ p - Total specification width Total process spread where the total process spread is estimated using the formula Total process spread = 6 X R/d2 where R is the mean of the ranges (see Method 69) and d2 is a statistical constant depending upon the same size as shown below. 2 1.128 3 1.693 4 2.059 5 2.326 Various values of Cp , together with the parts per million (ppm) of items produced above specification, are as follows:
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100 METHODS FOR TOTAL QUALITY MANAG
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© Gopal K. Kanji and Mike Asher 19
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PREFACE An essential part of the de
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2 100 METHODS FOR TOTAL QUALITY MAN
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THE ROLE OF TQM METHODS Total quali
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LIST OF METHODS (BY CATEGORY) Manag
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12 100 METHODS FOR TOTAL QUALITY MA
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MANAGEMENT METHODS Method 1 Accepta
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co 0 CD Q. CD Figure 1 Type of
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-- -- Component no: .:.V:..: A"R"IO
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100 100 METHODS FOR TOTAL QUALITY M
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CD Q. CD Q Fo..II.'n"J c1oJ-Jn r-
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DATA COLLECTION, ANALYSIS AND DISPL
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Page 241 and 242: REFERENCES Akao, Y. (1991) Hoshin K
Page 243 and 244: INDEX acceptable quality level (AQL
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100-Metodos-de-Qualidade-Total

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