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

[Richard Offen richard.offen@iinet.net.au [bellhistorians]]

> On 27 Feb 2015, at 8:59 pm, Richard Offen richard.offen at iinet.net.au [bellhistorians] <bellhistorians at yahoogroups.com> wrote:
> 
> 
>> On 27 Feb 2015, at 6:56 pm, John Harrison john at jaharrison.me.uk [bellhistorians] <bellhistorians at yahoogroups.com> 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 http://jaharrison.me.uk
> 
> 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.
> 
> R

Sorry too many nots in last sentence, cause by too many glasses of white in the author!
> 
> 
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