Sprung D-bit Engraving

sprung d-bit engraving

As much as I’ve upgraded the Genmitsu 3018-pro it has struggled to machine or engrave brass, therefore I thought I would try sprung d-bit engraving. This sounds a bit counterintuitive with a CNC machine, but this is a tiny CNC lacking in power. I thought that a small amount of compliance in the Z-axis would … Read more

Change Gears and Pitch

change gears on a lathe

When cutting threads on the lathe we need to look at the change gears and pitch. The change gears on the back of the headstock that connect the headstock rotation to the leadscrew rotation along with the leadscrew pitch determine the pitch you will cut. The gears shown here on a Hobbymat MD65. The spindle … Read more