Green Wood Bowl Turning Tutorial:
Part 2, Preparation
The first step in working with a
piece of green wood will be for you to remove the majority of the
waste wood from your project. This will help speed drying times
by reducing the thickness of the wood.
Begin by mounting the blank on
the lathe, and turning the outside portion of your bowl, vessel,
etc. Leave a tenon on the bottom of the blank which can be held
by a chuck, or level the bottom of the piece off so that it can be
turned around and attached to a face plate via double-sided tape or a
waste glue block.
Next, turn the form around on
your lathe and begin hollowing the inside. As you progress, make
sure that you leave the piece thicker than the final thickness for the
piece. This will allow the wood to change shape as it dries, and
give you enough wood to turn the eventual oval shaped piece back into
a round shape. A good rule of thumb is to never go below
3/4" thick in any area, and to allow approximately 1" in
thickness for every 10" in diameter. For example, a
9" bowl would need be only 3/4" thick, while a 15" bowl
would need to be left approximately 1 1/2" thick.
Additionally, make sure to maintain an even thickness throughout the
roughed out shape to help reduce the chances of defects popping up
during the drying stage, which we will discuss in our next
tutorial...drying methods.
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