APPLICATION OF U-CHART AND C-CHART IN TECHNOLOGICAL PROCESS OF PRIMARY WOOD PROCESSING
Control charts are statistical methods of quality control. Basically it is a graph where the abscissa represents the order of control, and the ordinate is marked with parameter values, which are controled by samples over a certain size. Using charts determine varying quality and also related...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
KD Mapro
2014-01-01
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| Series: | Journal of Process Management. New Technologies |
| Subjects: | |
| Online Access: | http://www.japmnt.com/images/Volume%202/Issue%201/APPLICATION%20OF%20U-CHART%20AND%20C-CHART%20IN%20TECHNOLOGICAL%20PROCESS%20OF%20PRIMARY%20WOOD%20PROCESSING.pdf |
| Summary: | Control charts are statistical methods
of quality control. Basically it is a graph where the
abscissa represents the order of control, and the
ordinate is marked with parameter values, which
are controled by samples over a certain size. Using
charts determine varying quality and also related
the stability and capacity of the production process
in relation to the established control limits. Dr.
Schuchardt, which can be regarded as the creator of
control charts, says that their mission: to maintain
the production process in a state of control, to lead
the production process into a state of control, to
show that the state of control has been achieved.
According to Dr. Schuchardt „for a phenomenon is
said to be controlled if based on current data we can
predict, at least within certain limits, how the
phenomenon will change in the future. Here, under
certain prediction within limits means that we can
determine, at least approximately, the probability
that the phenomenon is found within the given
limits“.
Control charts for attribute quality characteristics
are: p- control chart, m- control chart, u- control
chart, c- control chart. |
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| ISSN: | 2334-735X 2334-7449 |