Re: Screw Conveyor diameter
- From: "jim_duprey" <jim.duprey@xxxxxxx>
- Date: 10 Aug 2006 20:05:32 -0700
RPM and screw diameter will correspond to the required delivery rate
(volume over given time period). Density and incline are factors that
are used to specify the motor using concerns such as volt/phase type,
current draw under load, horsepower and torque required, and an
operating safety factor. These give RPM for different motors depending
on whether using a direct couple, belt drive, or gearbox.
Quentin Grady wrote:
G'day G'day,
A screw conveyor is 6 m long and inclined at 25 degrees. It is to
transport 11 tonnes per hour. The material to be conveyed has a
density of 600 kg/cubic metre = 37.4 lb/cubic foot. F = 2
What puzzles me is how one can use this information to fix upon a
suitable diameter for the screw conveyor.
It seems to me that one could use a small diameter conveyor and
operate it at a higher rpm or use a large diameter conveyor and
operate at a lower rpm.
Thank you,
--
Quentin Grady ^ ^ /
New Zealand, >#,#< [
/ \ /\
"... and the blind dog was leading."
http://homepages.paradise.net.nz/quentin
.
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- From: Quentin Grady
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