PING Robo Hippy re shear cutting
On Fri, 25 Jan 2008 11:04:52 GMT, "George" wrote:
George.. in the 1st picture (forged in use) you're cutting from the outside down
towards the button, right?
Ayup. Down hill, down grain in the case of this piece. If I'm undercutting
a rim, I will have to pull a fingernail grind gouge from the bottom of the
undercut toward the rim in order to stay down grain.
If you look at the shaving, you can see that I have just begun broadening
the cut. The twist was tight when I entered at a high angle to the grain,
and is now widening as the gouge is rotated to a shear. The heel of the
bevel never contacts, just a section parallel to the edge. The support you
get keeps you from digging in and helps you get a consistent thickness
shaving.
That's why I asked, I was reading the shaving and wanted to make sure that I
interpreted it correctly...
Damn, I've been reading your stuff too long! rofl
mac
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