Creating and Editing Time Analysis

You can create a time analysis using the Create Time Analysis command and attach it to a selected operation in a PPR Context.

1. In the PPR Context, select the operation to which you want to attach the time analysis.

2. Click Create Time Analysis .

   The Time Analysis dialog box appears.

3. Enter a name and description for the time analysis and select UAS as the desired subsystem.

   
   
   

   Note: Always give a meaningful name and a short description for the time analysis. This can help you to find an analysis later.

4. Click Finish.

   The STM - UAS Subsystem dialog box opens. This dialog box enables you to define and modify the time analysis. The analysis criteria are entered by means of a spreadsheet.

   
   
   

   Note: You can create time analysis for the following subsystems in a similar way: STD, UAS, MEK, GTE, MTM-1, MTM-2, RWF, SAM, and MOST.

5. Enter AA1 in the Code cell in the first row of the spreadsheet.

   The other columns in the first row are filled accordingly.

   
   
   

6. Enter more information in the following rows for the Code column.

   Tip: You can click Datacard to choose a code from the UAS datacard and add it to the spreadsheet. See Creating a Time Analysis From Datacard.

   The respective column values will be displayed for the entered codes. For the last row, the Total Time column remains empty but the Setup Time column is filled.

   
   
   

7. Click Calculate .

   The total Analyzed Time is calculated. The STM_Base Times namely Human Time (TTB), Machine Time (TTU), Waiting Time (TW), Total Time (TG) and Setup Time (TRG) are also displayed.

   
   
   

   The Calculated Times in the Basic Data tab are also displayed.

   
   
   

8. Click OK to save the time analysis.

   The time analysis is attached to the previously selected operation.

9. Switch to the Manufacturing System Definition workbench and use the Manufacturing System Gantt chart to set the Time Type Visualization to Analyzed Time.

   The Gantt chart will then show the analyzed time for all operations.

   For more information, see Manufacturing System Definition User's Guide: Time Types on Operations.

You can edit a time analysis that is attached to an operation in a PPR Context using the Edit Time Analysis command.

1. Select the operation whose time analysis you want to edit, and click Edit Time Analysis .

   The STM - UAS Subsystem dialog box opens because the UAS subsystem was specified when the time analysis was created. This dialog box enables you define and modify the time analysis.
   
   

2. Change the Time Type in the combo from T** to TTU and click Calculate .

   The Human Time (TTB) and Waiting Time (TW) are set to zero and the Machine Time (TTU) is calculated as shown below.

   
   
   

3. Change the Time Type in the combo from TTU to T** and click Calculate to restore the original values.

4. Change the value in Number of Parts (10, for example).

   The values in STM_Base Times except Setup Time (TRG) are multiplied by 10.

   
   
   

5. Change the value in Parts Simultaneously (10, for example).

   The values in STM_Base Times except Setup Time (TRG) are divided by 10.

   
   
   

6. Select sec as time unit in the Analyzed Times combo list.

   The time values in the time analysis lines and in the Analyzed Time box are displayed in seconds.

7. Select sec as time unit in the Basic Times combo list.

   The STM_Base Times time value are displayed in seconds.

   
   
   

   Also the Calculated Time values in the Basic Data tab are displayed in seconds.

   
   
   

8. Click OK to save the modifications.