“Datum Feature Symbol” command creates datum symbols on the technical drawings in the sketch of the NX. It might be hard to use this for NX new users. That’s because I write all details of the “Datum Feature Symbol” command using in NX.
To create a Datum symbol:
- Start “Datum Feature Symbol” in the Home Ribbon Bar => Annotation Group
- Type Datum letter in the “Datum Identifier” tab.
- Click Drop Down arrow to open more settings in the command dialog box.
- Select leader type from the list in the Leader => Type
- Click on “Select Terminating Object” in the leader tab to define the datum object.
- Select the Datum object.
- “Specify Location” in the “Origin” tab will be highlighted automatically. Left-click in the sheet to specify the datum location in the sheet.
- The command will be restart. If you will define new datum, follow steps 2, 3, 4, 5., 6
- To finish command, click the middle mouse button or press “Esc”.
Define Datum on a Surface with a Plain arrow:
- Start “Datum Feature Symbol” command
- Type Datum letter in the “Datum Identifier” tab.
- Set “Plain” as a Leader type.
- Click on “Select Terminating Object” in the leader tab to specify the location of the arrowhead.
- Specify the location of the datum identifier
- “Specify Location” in the “Origin” tab will be highlighted automatically. Specify the location of the datum letter on the screen.
- Finish command
Define Datum on a Surface with a Datum Leader:
- Start “Datum Feature Symbol” command
- Type Datum letter in the “Datum Identifier” tab.
- Set “Datum” as a Leader type.
- Click on “Select Terminating Object” in the leader tab to specify the location of the arrowhead.
- Specify the location of the Datum.
- If you want to move the datum identifier and arrow, press “Shift” and move the mouse to the new location.
- “Specify Location” in the “Origin” tab will be highlighted automatically. Specify the location of the datum letter on the screen.
- Finish command
Define Datum on the center axis of the Dimension:
- Start “Datum Feature Symbol” command
- Type Datum letter in the “Datum Identifier” tab.
- Set “Plain” or “Datum” as a Leader type.
- Click on dimension arrow as shown in the figure.
- Specify the location of the Datum on the same line of the dimension text.
- “Specify Location” in the “Origin” tab will be highlighted automatically. Specify the location of the datum letter on the same line of the dimension text.
- Finish command
Define Datum on the center of the Circle:
- Start “Datum Feature Symbol” command
- Type Datum letter in the “Datum Identifier” tab.
- Set “Datum” as a Leader type.
- Click on the Radial Dimension text to define a circle center as a Datum.
- Specify the location of the Datum identifier on the bottom of the dimension text.
- Finish command
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