To Drill the Counterbored Hole

Next, drill the single 4.5 mm hole.

1. On the ribbon, click CAM tab Drilling panel Drill .

Tool tab

1. On the Tool tab, click the button.
2. From the Sample Libraries > Tutorial tool library, select tool #33 - Ø4.5 mm drill.
3. Click to close the Tool Library dialog.

Geometry tab

1. Click the Geometry tab. Ensure that Selected faces is selected from the Hole mode: drop-down menu and that the Hole faces selection button is active.
2. Select the lower cylindrical face of the last hole.

Heights tab

Because this hole is counterbored, the cylinder starts a bit lower. Adjust for this by making the top start from the top of stock instead.

1. Click the Heights tab.
2. From the Top Height drop-down menu, select Stock top.

Cycle tab

1. Click the Cycle tab and select Chip breaking - partial retract from the Cycle type: drop-down menu.

Start the Calculation

1. Click at the bottom of the Operation dialog box, or right-click in the graphics window and select OK from the marking menu, to automatically start calculating the toolpath.

The toolpath is calculated and shown in the graphics window.

Continue to To Machine the Counterbore...