[TheForge] Upsetter Dog (Cam) faces

[Walter L. Mullett]

I thought about that but I don't know if it would work either.   I guess 
that is something worthwhile to learn.
WM

----- Original Message ----- 
From: "Bruce Freeman" <FREEMAB at pt.fdah.com>
To: <theforge at mailman.qth.net>
Sent: Thursday, October 28, 2004 12:33 PM
Subject: Re: [TheForge] Upsetter Dog (Cam) faces


> Do you mean, restoring the grooves?  If so, have you heard of the
> technique of restoring files by acid etching?  Pickle 'em sharp!  Not
> sure it works on cast iron, tho.
> Bruce
> NJ
>
>>>> wmullett at bright.net 10/28/2004 10:28:07 AM >>>
> All of my tire upsetters have dogs (cams) with a toothed face to hold
> the
> stock.  Most of these are worn to the point where they do not hold
> well.
> These pieces are curved in one plane with the grooves running
> perpendicular
> (straight) across the face.  These grooves are a lot like a file cut
> because
> they engage in one direction.
>
> What is the best way to restore the working quality of these short of a
>
> milling process?  The material is cast.
>
> Thanks,
> Walt
>
>
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