Paul brought several turnings for discussion. Sadly, the others had nothing to show!
Leo discussed the properties of carbide cutters. For wood, the edges have to be razor sharp. For metal, they have to be slightly rounded.
To slightly enlarge a hole drilled into metal (or wood),(eg 1/4 inch hole) use a slightly larger diameter, cheap carbide drill bit like the ones used for concrete drilling. Grind off the sides on a green stone to make a bit ever so slightly larger than the original hole you drilled into the piece.
Leo continued work on the bowl project: inside, reverse turning.
Several sanding devices were discussed and demonstrated:
The clothespin glued to a stick is used to grasp a strip of sandpaper, which is wrapped around the strip to allow one to enter the bowl easily and safely. Contours can be made to the strip and weather stripping can be used to create soft surfaces.
A sanding disc is easily made from a bolt (threaded left-handed) which captures several pieces of sand paper. The bolt is screwed onto a circular disc eg. plywood, onto which sand paper is glued.
Leo demontrated how Minwax wood conditioner will soak into a piece of wood very rapidly and stabilize it for even staining. It works well on cherry. It can toughten the wood fibers so that a piece with a soft area might be hardened up over a few weeks. (spalted wood eg). Some experimentation is needed here.
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| Mar2/10 Meeting |
