TIG tungsten grinder for Proxxon
thingiverse
Attachment to Proxxon tools for sharpening TIG tungstens to a razor-sharp point. Tested with Proxxon Micromot 230/E, and compatible with many others. Replacing it with a Dremel collar is also relatively simple if you have one of those on hand. This attachment clamps securely onto the Proxxon tool's collar using an M3 screw and nut. For optimal fit, drill the holes for the tungsten out with a 2.5mm drill bit. The design accommodates a 50mm diamond grinding wheel and 2.4mm TIG rods, but the SCAD file is easily customizable to suit different dimensions and your preferred point angle.
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