ENGLISH
13.3 USING A BEGIN AND END SCOPE Some coefficients have a scope with a defined Begin and End. Load average (Lave) is an example of a coefficient with both a Begin and End step. The following example will demonstrate how scoping can be used with this type of coefficient. EXAMPLE Create a load to distance tensile test. • Create a New Test using the Test Builder. • Select the Tension Distance symbol. • Set the Tension Distance Target at 6 inches. • Set the Speed at 30 inches per minute. It's common with some peel tests to average the load within a specified distance range instead of between the actual start and actual end of the test procedure. This is due to "noise" that may be inherent in a peel test on startup perhaps due to frictional characteristics of the sample at startup. In this test setup, we want to determine the average load for a specific
With this entry, you have assigned the D coefficent, now called D@10sec, to report the distance value after 10 seconds from when the step began.
• Select the checkmark to save your settings. • Rename your test setup to "Scope Test". • Set Home.
• Zero L and D. • Start the Test. At the completion of your test, you setup will deliver the results for:
• L@6inch • L@1inch • L@5inch • D@10sec You have successfully applied scope to a single step 2.
distance range. Therefore, • Select the Data menu. • Select the + Data touch target. • Select the Load Average (Lave) coefficient.
Selecting the Load Average (Lave) coefficient will display the load average value beginning from the start of the test to the end of the test. The load data will be averaged beginning from 0 load to the load value at 6 inches (end of test). • Select the + Data touch target.
• Select the Load Average (Lave) coefficient. The new coefficient is displayed as Lave2.
34 PKG08819-UML2SOFT
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