Vent Data for General DC Machines

By option, you can insert or remove Vent data for general DC machines. If you have inserted a Vent, the icon appears under the rotor winding in the project tree.

To insert a vent:

Right-click on the rotor icon to display the pop-up menu.
Click Insert Vent.

To remove an existing vent:

Right-click on the Stator icon to display the pop-up menu.
Click Remove Vent.

The Vent Data Properties window contains the following fields.

Vent Ducts	Number of radial vent ducts
Duct Width	Width of radial vent ducts
Magnetic Spacer Width	Width of magnetic spacer which hold vent ducts. 0 for non-magnetic spacer.
Duct Pitch	Vent ducts
Holes per Row	Number of axial vent holes per row
Inner Hole Diameter	Diameter of vent holes in inner row.
Outer Hole Diameter	Diameter of vent holes in outer row.
Inner Hole Location	Center-to-center diameter of inner row hole vents.
Outer Hole Location	Center-to-center diameter of outer row hole vents.
Banding Slots	Number of axial banding slots to tight the rotor winding.
Width of Banding Slots	Width of axial banding slots
Depth of Banding Slots	Depth of axial banding slots