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Configuring Parameter Values

You can configure parameter values using different methods. It is important to understand how these methods work.
Specifying Parameter Values
• Site Parameter Files
• System Default Values
• Parameter Files
• Edit Parameter dialog box
– Category
– Parameters Basic/All
– Copy from Tool
– Show/Hide Details
• Model Tree
System Default Parameter Values
• Required Parameters
• System Default Values
• Optional Parameters
• Numeric Assigned Parameters
• Non-numeric Assigned Parameters
Specifying Parameter Values

Configuring Parameter Values 1

Figure 1 – Specifying Parameter Values

Configuring Parameter Values 2

Figure 2 – Parameter Graphic Illustration
There are several ways to specify parameter values for NC Steps, including the following:
• Site parameter files – Enable you to set the default values for all NC step parameters. When you create an NC step, these default values are read in as the initial parameter values.
• System default values – If you do not use a site file, standard default values for all parameters are automatically set.
• Parameter files – When creating NC steps, you have the option to read in parameter values from a file, or you can copy the parameter values from a previous NC sequence in your model.
• Edit Parameter dialog box – When creating NC steps, you can edit parameter values directly using the Edit Parameter dialog box. A number
of options are available, including:
– Category – You can view any of the six parameter categories.
Alternatively you can view all categories.

– Parameters basic/all – You can view either the basic set of parameters or all parameters for a specific category.
– Copy from tool – You can copy tool-cutting data parameters into an NC step.
– Show details/hide details – You can optionally display a graphic illustration for the selected parameter. The illustration appears for basic
parameters only. If the parameter has a predefined set of values, the graphical illustration corresponding to the specified value appears.
• Model tree – You can configure parameters to display in the model tree.
You can then edit the values directly in the model tree.
System Default Parameter Values
When creating NC steps, Creo Parametric assigns a number of default values to parameters.
• Required parameters – If a parameter is highlighted in a light yellow color in the Edit Parameters dialog box, then it is a required parameter.
– You must specify a value for this type of parameter to calculate a toolpath.
• Optional parameters – If a parameter has a default value of “-,” it is an optional parameter.
– You can leave this type of parameter unchanged if required. For example, APPROACH_FEED = -.
– This type of parameter is not used unless you specify a value.
• Numeric assigned parameters – This type of parameter is assigned a specific numeric value by default.
– For example, CUT_ANGLE = 0.
– You can change these parameters to other specific values if desired.
• Non-numeric assigned parameters – This type of parameter is assigned a specific non-numeric value by default.
– For example, COOLANT_OPTION = OFF.
– You can change these parameters to other specific values if desired.
You can select the available values from a drop-down list

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