Grinding (was Re: [Bell Historians] The bells of West Point Military College.

Richard Offen [bellhistorians] bellhistorians at
Fri Feb 27 12:59:59 GMT 2015

> On 27 Feb 2015, at 6:56 pm, John Harrison john at [bellhistorians] <bellhistorians at> wrote:
> > Verdin do not have a vertical borer for turning metal off so rigged up
> > the grinder system.
> Can anyone comment on the pros and cons of the two approaches? I guess the
> grinder would need a less rigid and powerful rotation mechanism to ensure
> an accurate circular path, but is the result likely to be any better or
> worse?
> -- 
> John Harrison
> Website

I doubt you can take as heavier cut with a grinder as with a boring mill, which will make the process less efficient. I'm not sure that the finish will not be as good as that obtained with a tungsten carbide tipped lathe tool.

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