8. Open the Descriptors Editor. Descriptors are OPTIONAL.
Characteristic descriptors can be used to:
. Inform the operator about how to accomplish the task, such as:
o Which torque wrench to use
o Which pad number/location from which to take measurements
Tag the data with information for the analyst such as:
o the team leader of the project
o the control plan/drawing number
The quality department generally conducts audits, and therefore creates the
characteristic names so the operator knows where to take the measurement.
However, engineers have a manufacturing document which generally assigns a
specific number for the fastener.
Descriptors can be used to link the fastener the operator measures with the
measurement the production engineer defined in the control plan.
Once a descriptor is assigned to a characteristic, it marries all characteristics in
the database that are assigned the same characteristic descriptor so that engineers
can track their critical measurements, for example Operation 230B.
Descriptors values are unchanging. Each time the setup is used, the same
characteristic descriptors apply, as opposed to labels where the label value may
change each time data is collected.
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