When product models are defined and operations are assigned to workstations, the Line Model Summary window depicted on the left allows you to review the behavior of the line when various models are assembled. This is extremely useful for assessing the suitability of the line for production of a given model mix. The window is accessible via the "Mix Summary" option in the "Variants" menu.

   There are two tabs in the window. The Model Profiles tab gives a graphical representation of the line, while the Pie Panels tab gives a summary of the main performance indicators in form of a series of highly informative pie charts.

    The lower part of the window shows a table of all currently defined models with their percentage in the production. The table allows you to select one or several models, which are then shown in the upper part of the window.

    The upper part of the window (depicted above) shows execution times on each workstation. There is one green/red bar for each workstation (two of them in the above example), the width of the bars can be adjusted with the Station width slider, the height can be adjusted by moving the horizontal separator above the slider.

    Each worsktation bar shows

• The cycle time of the workstation in green
• The max peak time of the workstation in red
• The average time necessary to finish all the models selected in the table of models. In the above screen shot, all four models are selected, i.e. the blue bars give the average time taken over all the models.

    Each model selected in the table is also represented by a line in the model's color, showing the time, in percentage of the max peak time, necessary to complete that particular model on each of the workstations. Thus in the above example, the model "Basic" will take about 70% of the max peak time to complete on workstation 1, and about 10% of the max peak time to complete on workstation 2. However, the DeLuxe model will take about 81% of the max peak time to complete on workstation 1, and about 82% of the max peak time to complete on workstation 2. Note that on both workstations, the DeLuxe model wil overflow the cycle time, which is at about 75% of the max peak time.

Pie Panels tab

    The Pie Panels tab, shown in the screen shot on the left, contains a summary of the main performance indicators for each model.

    There is a three-section box for each of the models. The height of the boxes can be adjusted with the Cell Height slider in the bottom of the window.

    The right section of a box identifies the model by its name and color, shows its percentage in the whole production, and lists all the options it features (the list may be empty).

    The left section of a box shows the behavior of the model over all workstations in the line. The pie chart gives the proportion of workstations where

• the model takes less than 20% of the cycle time, in bright blue
• the model takes between 20% and 100% of the cycle time, in dark blue
• the model overflows the cycle time, in yellow.

    The middle section of a box shows the behavior of the model in terms of work time, as compared to the cycle time, summed up over the whole line. The pie chart gives the proportion of

• total work time, i.e. the time spent on assembling the product in the line's workstations, in dark blue
• total idle time, i.e. the time spent after completion of all operations waiting for the arrival of the next product into workstations
• when the total of work times exceeds the total of cycle times, the difference between the work time and peak time, in red. Note however, that in this case (depicted in the DeLuxe model in the above figure), the work time is still compared to the cycle time.