Not sure how small, never had one apart! Maybe 6" Rollers?? They make
point contact so the load must be impressive. This info was shared with
me by the operations manager of a large Concrete company I was doing
some material evaluation for. I was only there as a temp for 2 years,
being a 30 year desk jockey, it was a refreshing change.
Pete
Curt Raymond wrote:
How small is relatively small? The drum is pretty big so I'd think relatively
small would be like finger size, or maybe even soda can...
I didn't mind the brain tease I was tired of the schoolgirl "has anybody figured it
out yet?"
It is an interesting answer though and not at all what I'd expected. I'm still 100% sure
I've seen a concrete truck driving without the drum turning because I'm sure I thought
"thats interesting, theres a concrete truck driving without the drum turning, you
don't see that everyday."
-Curt
Date: Thu, 06 Aug 2009 20:48:05 -0400
From: "Peter T. Arnold" <pm7...@comcast.net>
Subject: [MBZ] Answer for O/T Concrete Mixer Trivia, Don't Read if you
so desire
To: Mercedes Discussion List <mercedes@okiebenz.com>
Message-ID: <4a7b79c5.9050...@comcast.net>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
First, I want to apologize to those folk(s) that were bored by this
thread. I was sure when I asked that the diverse knowledge of this
group would enjoy the brain tickler. I've lurked while guns, politics,
mac computers and moose have had longer threads. If the subject in the
header is boring to me, I just pass it over....
So stop reading if you really don't care about the answer.
Drum Roll.....................
The drum on the mixer is circled and supported by 2 very large mild
steel rings which are welded to the drum. Those rings a nestled {and
cradled} by relatively small hardened roller bearings. If the truck
were to be driven with the drum stationary, those small bearings would
quickly flat spot and or deform the huge ring. Those, the drum is
always kept turn while the truck is in motion.
We now return you to your regular scheduled programing.
--
Pete Arnold
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