The Manufacturing Extension costs 125 Cloud Credits ($125 USD) per month to access. Rotary is available as part of the “Manufacturing Extension” for Fusion 360, which includes other useful additions such as the very-powerful Steep-and-Shallow 3D strategy, borrowed from the all-mighty Powermill. And it will be appreciated by users who have struggled in the past with “textured” or “3D” revolved parts, including STL models. It will be appreciated in a variety of settings, including routers with a 4 th axis mounted to the side. This new strategy clearly fills an important void. We confirmed that using this strategy turning-style is particularly efficient, as it allows to take as big a depth-of-cut as needed and to potentially shape the part in a single pass. We recently had a chance to put this new strategy through its paces with the help of our good friends at Dery’s Manufacturing of Regina using their big Nakamura WT-300’s mill-turns. Well, I can say that the wait has paid off. The centerline of the tool can be slightly offset (if your machine allows it) so as to stay off the center of the cutter. Better yet, machining can be performed turning-style, front-to-back (or top-to-bottom) with constant motion of the rotary and a specified stepdown per revolution. Machining can be performed milling-style, with a back-and-forth toolpath along the axis of rotation and successive incremental steps (stepover) of the rotary. The cutter is always kept pointed towards the center of rotation. What this is, is a strategy for mills or mill-turns that makes use of a rotary axis to 3D-machine around a part with a ball-nose cutter. One of these is the Rotary multi-axis 3D milling strategy, which has been a very long time in coming. Last month, I wrote that a lot of improvements and new features had recently been built into Fusion CAM.
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