To create a cylindrical Cam

Follow the steps for How to create a NC program using 4th-axis wrapping. For Step 3, Create your part features, follow these steps:

1. Select Construct tab > Curves panel > Other Methods menu > Cams to display the Cam Properties dialog in one of these ways:
2. On the General tab, select Cylindrical Cam.
3. Specify the Base Radius as the radius of your cylindrical stock.
4. Specify either Wrap X-axis or Wrap Y-axis. Make sure that this setting matches the wrapping axis you specified in your setup.
5. On the Segments tab, enter the segment parameters.
6. Click OK or Apply.
7. Use this curve to create a groove.

You now have a feature that you can use for 4th-axis wrapping.