[CAUT] vertical hammers

[Paul Chick (Earthlink)]

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Subject: Re: [CAUT] vertical hammers

 

In a message dated 7/16/2005 10:26:45 AM Central Standard Time,
jrpiano@win.eastlink.ca writes:

I have seen, at a convention class, or the list, or the Guild magazine, a 
gizmo for scoring the shank, to allow, trapped air to escape.
I think it was a piece of wood, with a hole drilled in it, the size of the 
shank, then it had a screw in it, where the point was into the hole.
You just inserted the shank, and it was scored to the depth the point was 
out.
John M. Ross

I inherited from my dad a shank knurler. It is a disk with groves in it,
that is attached to a crank. It has a curved piece of metal parallel to the
disk, that can be adjusted with a set screw, to allow the distance between
the disk and the curved metal piece to vary. (for different shank sizes, or
more or less knurling). You can attach it to a bench with screws, or a
clamp. He probably got it when he worked for Stark. 

 

I use it when I replace a whole set of shanks. When I do just one, I use a
pair of pliers, to gently knurl the shank. 

 

Wim 

 

I've been using a shank knurler from Schaaf for about 25 years.  I think
it's still available.  It's adjusted to size the shanks to a uniform
diameter as well as knurl the shank.  When glue is applied (any water based
glue), the shanks swell back almost to their original diameter, making a
very nice fit without excessive glue squeeze out.

 

Paul C


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