RE: [gingery_machines] Re: new article: How Accurate is Your Micrometer?

 

Shannon,

You ask a very good question that has no answer. It is sort of like beauty.

I know people that define accurate as better than 1/8" while others that define it as better than 0.0001". I try to talk about getting the best possible accuracy rather than an absolute number.

Rick

-----Original Message-----
From: gingery_machines@yahoogroups.com [mailto:gingery_machines@yahoogroups.com] On Behalf Of Shannon DeWolfe
Sent: Monday, January 24, 2011 10:22 PM
To: gingery_machines@yahoogroups.com
Subject: Re: [gingery_machines] Re: new article: How Accurate is Your Micrometer?

Rick and all,

How accurate is accurate? I kept digging on this subject of Jo blocks
and measuring and temperature and materials...

This is a very enlightening publication, worthy of my tax dollars:

http://emtoolbox.nist.gov/Publications/NISTMonograph180.asp

Regards,

Mr. Shannon DeWolfe
--I've taken to using Mr. because my name misleads folks on the WWW. I am a 55 year old fat man.

On 1/24/2011 10:54 PM, David Patterson wrote:
> 6.0000" ± .0002 is near impossible for the home shop

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