DIY four facet drill sharper

vendredi 1 août 2014

I started out making a drill sharpener based on the Tormek, but along the way I got a little side tracked and started experimenting with clamping systems, advancing systems and slide systems, this is what I ended up with - my scrap bin is just about full of epic design fails now.

The picture of the sharpened bit is my first try at using it, with a bit of practice it should improve.

It’ll take bits from 2 – 15mm, but now I have a design I’m happy with I’ll make up a decent copy, slightly larger, and possibly a smaller one with some sort of indexing system: trying to line up the cutting edges on 2, 3, 4 mm bits is nigh on impossible. On another note, who would think it so hard to get 5mm threaded rod??? Bunnings, Stratco, Mitre10, all are still firmly ensconced in the 1960s, unless of course you don't mind galvanised.


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