100-Metodos-de-Qualidade-Total

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DATA COLLECTION, ANALYSIS AND DISPLAY 197 Method 86 Paynter charts Purpose To display information over time in a way that allows changes in patterns of failure to be discovered. Paynter charts will show when one failure mode takes over from another in terms of importance or when the overall failure rate is changing over time. When to use When monitoring performance and setting priontles for improvement, Paynter charts can show changes in patterns of failure over time. They can also be used to record failures, errors or the occurrence of events that a team wishes to study and remedy. How to use The number of times an event occurs is shown on the vertical axis. The different time periods are shown on the horizontal axis. The occurrences are given in rank order with the highest first. The previous ranking is given for each occurrence. The total for each year is given in the extreme righthand column. Benefits Paynter charts are able to display a large amount of data at one time, as opposed to having a different chart for each failure mode or occurrence. By displaying all the data together, a team is better able to see the total picture. Example Figure 1 shows a Paynter chart of the reasons for scrap in an automotive supplier. The horizontal axis shows changes month by month in the pattern. The ranking down the left-hand side of the chart shows changes in importance of the faults. It can be seen that, in the first month, 'No threads' became more prevalent. The Paynter chart also shows that 'Bad spray' is an increasingly important failure mode.
to 00 cO' ::J- CD 0.. CD Figure 1 Previous ranking Description 1 Others 2 Cockled gaskets 12 No threads 6 Bad spray 3 Dented bodies 7 Leaking seams 4 On - line bodies 5 Offset gaskets 8 Poor print 9 Eccentric assy. 1 4 Hole in body 15 Leaking welds 13 Off-sq. threads Tight threads 1 1 Split b'plate 10 Paynter chart Total scrap Total prod. Jan. Feb. Mar. Apr. 1 040 - - - 1 006 - - - 684 - - - 293 - - - 283 - - - 249 - - - 205 - - - - - - 186 - - - 28 3993 70 4783 12 - - - 4 - - - 3 - - - - - - - - - - - - - - - - - - - - - May June July Aug. Sept. Oct. Nov. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Dec. Total - 1 040 - 1 006 - 684 - 293 - 283 - 249 - 205 - 186 - 28 - 12 - 4 - 3 - - - - - - - 3993 - 70 4783 o s: m -I I o o (f) .." o ::u -I o r p c » r s: » z » G) m s: m Z -I
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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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100-Metodos-de-Qualidade-Total

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