Model a Hexagonal Nut

􀂾 Create a new file and save it as Impeller_hexa-nut
􀂾 Click the polygon icon from the toolbar

􀂾 Create a hexagon with each side measuring 0.28685 inches and constructed at the origin
􀂾 Extrude the hexagon by 0.125 inches
The figure of the model is shown below.

􀂾 Choose INSERT → DESIGN FEATURE → SPHERE
􀂾 Choose CENTER, DIAMETER

􀂾 Enter the diameter value 0.57 inches
􀂾 Enter the Point Constructor values as follows

Axes            XC      YC           ZC
Dimension   0.0      0.0       0.125

􀂾 In the Boolean operations dialog box select INTERSECT
The model will look like the following.

We will now use a Mirror command.
􀂾 Choose EDIT → TRANSFORM
􀂾 Select the model and click OK
􀂾 Click MIRROR THROUGH A PLANE
􀂾 Click on the flat side of the model as shown. Be careful not to select any edges
Click on OK

􀂾 Click on COPY
􀂾 Click CANCEL

You will get the following model.
􀂾 Choose INSERT → COMBINE BODIES → UNITE

􀂾 Select the two halves and Unite them
􀂾 Insert a cylinder with the vector pointing in the Z-direction
and with the following dimensions.
Diameter = 0.25 inches
Height = 1 inch
􀂾 Center the cylinder on the origin and subtract this cylinder
from the hexagon nut

Now, we will chamfer the inside edges of the nut.
􀂾 Choose INSERT → DETAIL FEATURE → CHAMFER

􀂾 Select the two inner edges as shown and click OK

􀂾 Enter the Chamfer Offset Diameter as 0.0436 inches and click OK
You will see the chamfer on the nut. Save the model.