[GreenKeys] 32/33 print hammer

Randy McLaughlin [email protected]
Sun, 24 Aug 2003 17:40:52 -0500


----- Original Message ----- 
From: "gil smith" <[email protected]>
To: <[email protected]>
Sent: Sunday, August 24, 2003 4:21 PM
Subject: Re: [GreenKeys] 32/33 print hammer


> Folks:
>
> A correction to my earlier post.  I just dug out a bag of 33 parts, and
> found an NOS hammer.  It is very soft now.  The diameter is pretty darn
> close to 0.5", and the outside edge measures about 0.18".  However, it
> designed to snap around a disc for retention, so the center is only about
> 0.085" thick.  Well, that is the best I can tell, according to my
> micrometer sloppily oozing into goo that was once useful rubber.
>
> Unless we find someone with an end mill to burrow a hole into the rubber
> (if rubber can be milled at all), we are left with applying a flat sheet
> for hammer replacements.  Which, as best I can tell, should be about
0.085"
> thick.
<snip>

Try to keep it simple:  Two pieces of rubber glued together, one flat .5"
and one "washer" .5" od smaller id making a rubber cup to glue on.