Top_LngMozzo
Break Hub Feather
Ribbon: Top Mechanical Draw > Mechanical Draw > Slits > Break Hub Feather
- What
 - Draws the section of a hub with flap fitting.
 
- Why
 - Avoid to draw a circumference (or two, to display the outer diameter of the hub) and apply accordingly the flap fitting. Also the symmetry axis is displayed.
 
- How
 - Insert the shaft’s diameter (minimum 6.0; maximum 500.0), then, if requested to insert the centre of the shaft , digit Angle or A and will be inserted before the centre the positioning angle of the flap (90° by default). To draw it insert the outer diameter.
 
Command: Top_LngMozzo <ENTER> Shaft
                    diameter <6.0>: <ENTER> Flap Insertion
                    angle/<Shaft Center>: Hub’s outer diameter: Or:
                    Command: Top_LngMozzo <ENTER> Shaft diameter
                    <6.0>: <ENTER> Flap Insertion angle/<Shaft
                    Center>: Angle <ENTER> Flap Insertion Angle
                    <90>: 0 <ENTER> Shaft centre: <ENTER>
                    Hub’s outer diameter: <ENTER> 
  | 
Nota  | 
The references of the fitting’s dimensions are in the table UNI 6604-69.  | 

![[Nota]](lib/imgnote36.png)