That is, unless you’ve got the proper tool. We figure [Machine Mechanic] must need to cut a lot of them ... you’d need a four-axis CNC to pull off. Lathes seem at first like rather single ...

Trigonometry and circle geometry are used to calculate the toolpaths used in lathe cutting operations. This class introduces the foundational toolpaths and trigonometric equations, including tool nose ...

I’m using my 3D-printed tool post indicator ... If they are different, the machine is cutting a taper, which means your bed has some twist. Adjust or shim the lathe’s tailstock-end feet ...