CNC Machined Swage Block and Cone
CNC Machined Swage Block and Cone:
10" (254mm) by 4" (101mm) by 1.625 (41mm) thick.
Cone 2.25" (57) dia., ~4" (~100mm) tall from shoulder
What marks this as an unusual block is the fact that it is machined from solid steel using an automated CNC milling machine.
This produces an exceptional finish and accuracy. The cone is a smooth slip fit into the matching hole.
Generally this block is a good design as there are no weak corners and a fairly good use of space.
Before use the sharp corners should be rounded quite a bit on at least one side prior to use.
The difference between a cast block and a machined block is that more features cost more in a machined block and usually cost nothing or very little in a traditional cast block.
In this case there is sufficient room for more holes. Those on the block are 3/8" (9.5mm), 1/2" (13mm), 3/4" (19mm), 1" (25mm), 1-1/2" (38mm).
There is plenty of room for 1/16" and 1/8" increments ading 7/16" (7mm), 5/8" (16mm), 7/8" (22mm) and 1-1/8" (28mm).
It is also possible to add some small hemispherical depressions for dapping and riveting.
But these would add cost to what is already a fairly expensive tool.
The cone is also machined from solid. A full two-thirds of the blank is turned to chips to make a cone by machining.
There are already many CNC dapping blocks (jeweler's blocks).
In the future we may see more CNC machined blocks for smiths.
Besides profiles and holes as above a CNC mill can also machine bowl and spoon shapes.
Manufactured by and sold by Yesteryear School of Blacksmithing, Crew, VA. February 2009 list price, $198 USD.
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