This video demonstrates an aluminium propeller blade machined on a Mori Seiki NT4300 using the technique of pinch milling: a method for machining long slender workpieces. Machining from both sides at the same time causes the radial forces on the part to cancel out, giving a much smoother finish, and allowing for heavier cuts. Creating the toolpaths for 2 different tools simultaneously, one doing a semi-finishing job and the other a finishing job (which can be in full 5-axis), required the power and control of Delcam PowerMILL. |
