Message 1
From: Tyrus Clutter
Date: Mon, 09 Apr 2012 13:29:30 GMT
Subject: [Baren 45303] Re: New Baren Digest (HTML) V59 #5954 (Apr 9, 2012)
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Digest Appendix
Postings made on [Baren] members' blogs
over the past 24 hours ...
Subject: Knife set - first sample set is 'ready' ...
Posted by: Dave Bull
It's time to bring a bit of an update on the progress of the tool project ... I haven't been bringing you every blow-by-blow on the back and forth with the blacksmiths who are making our blades. The first ones we received weren't made to the shape we needed, and it wasn't easy to get them to understand just exactly what we wanted. Most of their experience is in making tools for carpenters, and a printmaker's chisels are used in quite a different way. A typical carpenter's chisel - say, a mortising chisel - has a flat back, and a bevel. The back isn't actually completely flat, but is 'hollow ground' (in the case of fine tools). This is important for carpenters, because it allows the chisel to be used with the back face against the wood to be retained, and it can thus make perfectly flat cuts. Our tools (I'm speaking of the chisels here, not the knife) are used the other way around - we place the bevel against the retained wood, in much the same way that a plane blade is used. Here are a couple of snapshots - first, a couple of the tools in the first batch they made for us: These would be impossible to use. The tip is completely horizontal, and the bevel is angular and harsh. Here are a couple of my own tools showing what such chisels should look like: |
This item is taken from the blog Mokuhankan Conversations.
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