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GD&T Wizard: Perpendicularity example

The following example shows how to create a GD&T Perpendicularity measurement using two planes:

  1. Open a geometric group, and click on the Element toolbar to display the GD&T Wizard.
  2. A default name (such as, GD&T 1) is displayed in the Name field. Type in a new name, if required.
  3. Select Perpendicularity, then click Next >. This displays the following dialog:

    The dialog contains the following areas:

    Instructions on how to use this dialog.

    GD&T control frame, which summarises the GD&T measurement. In this example, it shows the Perpendicularity symbol and that the feature should have a tolerance of 0.01 diameter in relation to Datum A.

    Feature and Datum areas are where you select the feature to be measured and the datums against which it is to be measured. Here, Cylinder 1 is selected as the feature and Plane 1 as the single datum.

    Tolerance area, where you define the tolerance for the measurement.

    Show me an example. Click this button to display an example diagram for this case in a separate window.

  4. When you have specified details of the feature, datums and tolerance, click Next > to display the Result Preview dialog:

    Scroll to see more details:

    Here you can see the tolerance zone. A measurement is out of tolerance if the Measured Zone Width value is greater than the Tolerance Zone + Bonus value.

  5. Click Print if you want to print the information.
  6. To: