Step 7. Configure SPC Bar Chart Properties

If you are configuring a Histogram or Pareto chart, you can set display parameters in the SPC Control Properties dialog box. If configuring a report or other chart type, you can skip this section.

  1. Select the Bar Chart tab.

If you are configuring a Histogram, the Histogram group will be active in the dialog box and the Pareto group will be dimmed.

If you are configuring a Pareto chart, the Pareto group will be active in the dialog box and the Histogram group will be dimmed.

  1. For a:

Histogram Group

Check boxes and enter data using the definitions for options as follows:

Check Box or Field

Action

Show spec limits

Check to display the Upper and Lower Specification Limits configured for the data.

Clear to disable the option.

Show normal curve

Check to superimpose a normal distribution curve over the histogram data.

Clear to disable the option.

Max samples

Enter the maximum number of samples to be displayed in the histogram.

Pareto Group

Check boxes and enter data using the definitions for options as follows:

Check Box or Field

Action

Show fixed number of bars

Check and enter the number of bars to be displayed on the Pareto chart.

If you have more defect codes than bars, only the bars for the most frequently occurring defects will display.

Clear to display a bar for each defect code defined for this product.

Show bar of remaining defects

Check to display the total number of other defects on a separate bar marked Other.

Clear to disable the option.

More information

Configure an SPC chart in CimEdit.