creating and viewing control charts_spd

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System Process DocumentCreating and Viewing Control Charts

Department

Responsibility/Role

File Name 27812869.docRevision

Document Generation Date 19/01/2010 12:25:00

Date Modified 1/19/2010 12:25:00 PM

Last Changed by

Status

Creating and Viewing Control Charts

Trigger:

Concept

You can use Control Charts to chart all or only specific quality results associated with a

collection plan. Control charts are used to determine whether process stability has been upset by

special or assignable causes.

Oracle Quality provides the following types of control charts and pairs of control charts:

Xbar and R charts (XBar R): A pair of line graph charts which plot subgroups of datacollected over a continuous period of time.

Individual X and Moving Range charts (XmR): A pair of charts based on individual data

points instead of subgroups.

Xbar and S charts (XBar S): A pair of line charts similar to the Xbar and R charts except

that the standard deviation is used instead of the range when the S chart is plotted.

In this topic, you will create and view Control Charts.

Required Field(s) Comments

Output - Result(s) Comments

Additional Information

Last changed on: 1/19/2010 12:25:00 PM Page 1


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Procedure

Step Action

1. Click the vertical scrollbar.

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Step Action

2. Click the Manufacturing and Distribution Manager link.



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Step Action

3. Click the vertical scrollbar.

Step Action

4. Click the Control Charts link.



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Step Action

5. Use the Organizationspage to select the appropriate organization.



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Step Action

6. Click the M1 list item.

Step Action

7. Click the OKbutton.

orPress [Alt+O].



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Step Action

8. Use the Control Charts page to enter a name in the Chart Name field and select

the collection plan you want to chart.

Entering a name enables you to save your parameters.



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Step Action

9. Click in the Chart Name field.

Step Action

10. Enter the desired information into the Chart Name field. Enter "Linethickness for

CB".



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Step Action

11. Click in the Collection Plan field.



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Step Action

12. Enter the desired information into the Collection Plan field. Enter "CB

COLLECTION PLAN".

Step Action

13. Click in the Chart Title field.



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Step Action

14. Enter the desired information into the Chart Title field. Enter "CB Linethickness

Control Chart".



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Step Action

15. Click the Chart Type list.

Step Action

16. Select the Chart Type as:

XBar R: when the subgroup size is less than 10. X mR: when monitoring a process that produces quality results that do not

naturally fall into subgroups.

XBar S: when the subgroup size is greater than 10.



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Step Action

17. Click the X Bar / Rlist item.



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Step Action

18. Click in the Collection Element field.

Step Action

19. Enter the desired information into the Collection Element field. Enter

"LINETHICKNESS".



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Step Action

20. Click the Control Limits... button.

orPress [Alt+o].



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Step Action

21. Use the Control Limits page to define control limits based on collection results.

Use this page to enter the Subgroup Size. Select the Compute Newbutton to

recalculate control limits when you enter a subgroup size.

Step Action

22. Click in the Control Limit Name field.



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Step Action

23. Enter the desired information into the Control Limit Name field. Enter "CB LINE

THICKNESS".



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Step Action

24. Click in the Subgroup Size field.

Step Action

25. Enter the desired information into the Subgroup Size field. Enter "6".



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Step Action

26. Click the Compute New button.

orPress [Alt+C].



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Step Action


Step Action

28. Click the Save button.



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Step Action

29. Click the View Chart button.



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Step Action

30. Click the Close Window link.

Step Action


orPress [Alt+O].



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Step Action

32. Click the Close button.



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Step Action

33. You have completed the Creating and Viewing Control Charts procedure.

End of Procedure.


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