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Edit Mastercam Operation Defaults/Library dialog box

On the Files tab of the Machine Group Properties dialog box, click on the edit button next to the name of either the operation defaults file or the operations library.

Edit Operation Defaults/Library dialog box


Use this dialog box to edit two different types of files:

  • files which store default values for toolpath operations (DEFAULTS files)
  • libraries of operations which can be imported into your part file (OPERATIONS files)

Work in the operations list window much as you do in the Toolpath Manager. Open the folder for an operation and click its Parameters icon to edit it. Use the right-click menu to add new operations to the list or change how they’re displayed.

Setting machine group defaults

You can also use this dialog box to set machine group defaults, such as a stock material. Click on Files, Tool settings, or Stock setup above the operations list.


Fields or settings whose values come from the machine or control definition are not editable and will be disabled.

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