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Date: 26 Jun 2007 17:12:14
From: Robert Harmon
Subject: grinder bearings (bushings)
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How much side play is too much in Mazzer, Rossi, etc., commercial grinders?
I'm getting ~.004", and that seems a *bit* tight to me.
--
Robert Harmon
--
http://www.tinyurl.com/mb4uj - My coffee pages.
http://www.tinyurl.com/2tnv87 - My 'Guidelines For Newbies' page.
http://www.tinyurl.com/2cr3e2 - I have things for sale here.
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Date: 26 Jun 2007 17:55:18
From: Roger Shoaf
Subject: Re: grinder bearings (bushings)
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"Robert Harmon" <r_h_harmon@Zhotmail.com > wrote in message
news:ONbgi.1307$rR.135@newsread2.news.pas.earthlink.net...
> How much side play is too much in Mazzer, Rossi, etc., commercial
grinders?
> I'm getting ~.004", and that seems a *bit* tight to me.
>
Are you asking if .004" play on a plain bearing is too much or too little?
The way you ask the question, I am not sure.
--
Roger Shoaf
About the time I had mastered getting the toothpaste back in the tube, then
they come up with this striped stuff.
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Date: 26 Jun 2007 21:53:48
From: Craig Andrews
Subject: Re: grinder bearings (bushings)
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"Roger Shoaf" <shoaf@nospamsyix.com > wrote in message
news:1182905835.794150@news01.syix.com...
>
> "Robert Harmon" <r_h_harmon@Zhotmail.com> wrote in message
> news:ONbgi.1307$rR.135@newsread2.news.pas.earthlink.net...
>> How much side play is too much in Mazzer, Rossi, etc., commercial
> grinders?
>> I'm getting ~.004", and that seems a *bit* tight to me.
>>
>
> Are you asking if .004" play on a plain bearing is too much or too little?
>
> The way you ask the question, I am not sure.
>
> --
>
> Roger Shoaf
By saying "tight", I'd say Rob means too little.
Craig.
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Date: 27 Jun 2007 11:06:24
From: Bill (Adopt)
Subject: Re: grinder bearings (bushings)
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In article <5edu9fF35k14oU1@mid.individual.net >,
Craig Andrews <alt.coffee@deletethis.rogers.com > wrote:
> "Roger Shoaf" <shoaf@nospamsyix.com> wrote in message
> news:1182905835.794150@news01.syix.com...
> >
> > "Robert Harmon" <r_h_harmon@Zhotmail.com> wrote in message
> > news:ONbgi.1307$rR.135@newsread2.news.pas.earthlink.net...
> >> How much side play is too much in Mazzer, Rossi, etc., commercial
> > grinders?
> >> I'm getting ~.004", and that seems a *bit* tight to me.
> > Are you asking if .004" play on a plain bearing is too much
> > or too little?
> > The way you ask the question, I am not sure.
> By saying "tight", I'd say Rob means too little.
Thinking about it ..and being a little more serious
..wonder if Rob's measurement of 0.004" might be
around the size of a grain of espresso ground coffee
anyway?
It may explain the apparent 'tight fit' of the Mazzer,
Rosi's and other top-quality grinders.
Too much 'slop' in any grinder and the grains may then
become multi-sized, with problems associated with the
lack of micro-water pathways between the individual
grains thus compromising infusion - and with an increase
in unwanted 'dust' etc, excessive 'channeling', etc...
It may be that Mazzer have their machine correctly
set - even if it appears a slightly tight 'fit'...?
Bill ZFC
--
Adoption InterLink UK with -=- http://www.billsimpson.com/
Domain Host Orpheus Internet -=- http://www.orpheusinternet.co.uk/
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Date: 27 Jun 2007 01:10:59
From: Bill (Adopt)
Subject: Re: grinder bearings (bushings)
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In article <ONbgi.1307$rR.135@newsread2.news.pas.earthlink.net >,
Robert Harmon <r_h_harmon@Zhotmail.com > wrote:
> How much side play is too much in Mazzer, Rossi, etc., commercial grinders?
> I'm getting ~.004", and that seems a *bit* tight to me.
Could be.. :))
..but don't worry, Robert... Tightness of fit is a sign
of youthful vigour. Perhaps things tend to slacken off,
(or even shrivel a little), as they get older.
;))
Bill ZFC
--
Adoption InterLink UK with -=- http://www.billsimpson.com/
Domain Host Orpheus Internet -=- http://www.orpheusinternet.co.uk/
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Date: 26 Jun 2007 20:09:32
From: Craig Andrews
Subject: Re: grinder bearings (bushings)
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"Bill (Adopt)" <adopt@billsimpson.com > wrote in message
news:4ef9403d9dadopt@billsimpson.com...
> In article <ONbgi.1307$rR.135@newsread2.news.pas.earthlink.net>,
> Robert Harmon <r_h_harmon@Zhotmail.com> wrote:
>> How much side play is too much in Mazzer, Rossi, etc., commercial
>> grinders?
>> I'm getting ~.004", and that seems a *bit* tight to me.
>
> Could be.. :))
>
> ..but don't worry, Robert... Tightness of fit is a sign
> of youthful vigour. Perhaps things tend to slacken off,
> (or even shrivel a little), as they get older.
>
> ;))
>
{:-o {;-O LOL!
Craig.
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