Archive for December 12th, 2019

MPCNC Drag Knife Holder: Showing More Blade

Attempting to cut laminated cardstock decks for the Homage Tektronix Circuit Computer required a bit more blade extension than my LM12UU holder made available:

Drag Knife - LM12UU ground shaft - assembled
Drag Knife – LM12UU ground shaft – assembled

Shortening the 12 mm shaft wasn’t going to happen, so I knocked a little bit off the blade holder to give the knurled lock ring slightly more travel:

Drag Knife Holder - shortening stop
Drag Knife Holder – shortening stop

The lathe cutoff blade is a bit to the right of the new cut, but you get the general idea: not a whole lot of clearance in there.

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