[TheForge] Re: Punching and drifting angled holes

[Ekaterina Harrison]

Grant,

Thanks. This is quite helpful.

Ekaterina

On May 20, 2008, at 1:01 PM, theforge-request at mailman.qth.net wrote:

> ------------------------------
>
> Message: 3
> Date: Tue, 20 May 2008 09:06:04 -0700
> From: "Grant Marcoux" <gblacksmith at alamedanet.net>
> Subject: RE: [TheForge] Re: Punching and drifting angled holes
> To: "Blacksmithing List Sponsored by ABANA" <theforge at mailman.qth.net>
> Message-ID: <MBEHKKCHPGMAODOPBFHKAEDPDHAA.gblacksmith at alamedanet.net>
> Content-Type: text/plain;	charset="windows-1250"
>
> Ms. Ekaterina:  You are welcome.  "OC" means "on center"  which is  
> the dead
> center point of the hole, which allows for the radius of the inserted
> bar/picket on either side.  Blocking refers to shaping the drifted  
> hole
> around a drift the same size, roughly, as the picket to be  
> inserted.  To do
> this, you must:
>
> examine the drifted hole to ensure it is congruent on all sides.   
> Look at
> the swollen "pooch" left by drifting and make sure it looks the same  
> all the
> way around.  There is a very good chance it will not be perfect.
>
> At a low red heat, with the drift in place, using a flatter and neck  
> fuller,
> shape the flats and corners of the pooch.  Do not hit the pooch  
> directly
> with the hammer.
>
> Grant