Welcome...
Welcome to the first edition of “Air Flow”
from Morse Air Systems and Morse Low
Noise Fans. With so much happening in our
industry we thought it was time we shared
the latest news and views, as well as some
technical facts and case studies with you.
In May 2009 Morse will celebrate 30 years of
supplying high quality Industrial Fans, many
of which are still running. In fact we supplied
two high temperature Incolloy Fans in 1980
to a Galvanising Factory in Bayswater, and
these two fans are still running @ 650ºC, 24
hours a day, 7 days a week.
In 1981 Morse started to supply Cooling Fans
for electric motors, fans specifically designed
to reduce noise levels. These fans have
evolved over the years to also provide low
noise gear box cooling. We look forward to
the next 30 years as we look to developing
and supplying our customers with even
more efficient fans, which require even less
power, and thus produce less Green House
Gas emissions as well as noise.
We welcome your comments and feedback
on “Air Flow” as well as suggestions or articles
you would like us to include in future issues.
We look forward to continuing to develop
quality products and offering exceptional
service to our clients, and the industry as a
whole.
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Chris Morse - Sales & Marketing Manager
sales@morseairsystems.com.au
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latest news... case study... did you know?... low noise... is your fan built to last?...
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Latest News at Morse...
Nigel White has recently joined Morse Air
Systems in the role of Production Engineer.
Nigel’s principle responsibilities will be to
ensure the smooth progression of each
customer’s job, from the design stage
through production and manufacture,
to packaging, dispatch right through to
installation.
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Nigel comes with previous experience in
the fan industry and enjoys the reputation of being extremely proficient and a
‘calm’ organiser. When asked during the
job interview, what can he bring to our
organisation that will benefit our customers,
Nigel’s reply was “.......I can to see room
to enhance the existing systems, to further
document design and testing procedures
that will give the customer a complete story
for each of their jobs, where required....”
Nigel’s enthusiastic and relaxed nature
will compliant that of the existing team.
His commitment to service and meeting
customer’s expectations will be a key asset
to the business and we are pleased to
welcome him aboard.
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CASE STUDY...
High Temp Plug Fan for Furnace Engineering
Morse Air Systems has recently been
supplying Furnace Engineering with a new
generation high temperature plug fan.
Furnace Engineering is one of Australia’s
premier designers and manufacturers of
heat processing equipment and Morse
Air Systems has enjoyed a long standing
relationship with them.
On a recent project the end user had a
space limitation issue which meant that the
standard piggy back belt drive arrangement
for the fan would not fit. Through a close
working collaboration between the Morse
Air Systems engineers and the design team
at Furnace Engineering a new design
evolved.
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The new design resulted in a simpler design
including the following features:
- single setup for motor adjustment without
the use of slide rails or a separate jacking
plate
- easier access for belt tensioning
- strengthened main frame structure to
support larger motors
- 3 piece belt guard to assist with installation
and maintenance
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This project highlighted the benefits of
having close working relationships between
customers and suppliers. Fostering such
relationships is a clear focus of Morse Air
Systems, why not put us to the test?
Morse Air Systems would like to take this
opportunity to congratulate Furnace
Engineering on 40 Years of Engineering
Excellence, a fine achievement.
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DID YOU KNOW?...
GREEN HOUSE GAS EMISSIONS
Did you know that air weighs 1.2 kg per
cubic meter and when a fan moves this
weight of air energy is required?
Take an average Powder Coating Booth
with a Reverse Pulse Dust Collector.
Air required is three (3) cubic meters of air
per sec (6000 CFM) at 3 Kpa (12” WG). |
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1. Select the cheapest smallest fan – Direct
Drive 2900 RPM. Power consumed will be
11.9 kW.
2. Select the most efficient fan – Direct Drive
with variable Frequency speed Controller
and 2400 RPM. Power consumed 10.6 kW.
The efficient fan saves 1.3 kW and over one
(1) year two shifts ie 4000 hours operation
and power costing 10 cents per KWH.
Dollar savings will be $520.00 and more
importantly the savings in Green House Gas
emissions is about seven (7) Tonnes.
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Low Noise...
Morse Air Systems and Low Noise Fans have
full design, manufacturing and testing
capabilities which enable us to offer you:
- acoustic designs to suit High Efficiency
Electric Motors
- low noise fans for variable speed motors
- split type bi-directional fans for gear box
assemblies
- heat and chemical resistant impellers
- heavy duty and stainless steel motor
cowl fabrications
- one off designs and cost effective
replications to suit any air cooling
application
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Is your fan built to last?...
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The rotating component of a fan is called an
impeller, and is arguable the most important
part of the fan. The impeller is designed from
fluid dynamic specifications such as volume
flow and pressure. However the impeller
materials are selected for their thermal
and chemical specifications. Quality
Construction of the impeller is also important
to ensure that the impeller holds together
under operating conditions. Unbelievable
though it seems we have seen impellers held
together by tack welds only, unsurprisingly it
came to us for a rushed repair (we chose to
remake that particular job). MAS will ensure
the impeller is correctly welded and can
offer for your quality records and peace
of mind crack testing in house or by NATA
certified personnel if required. The material
thickness, selection and specific welding
sequence and technique all contribute to
prevent distortion and imbalance in the
impeller, and contribute greatly to how long
it will last.
Casing Construction
As with the impeller consideration should be
given to the materials used based on the
operating environment. Mild Steel maybe
perfectly adequate (and cheap) for most
normal environments, however it is not ideal
in even mildly caustic, acidic or marine
environments. Further more selection of
the correct thickness of material will help
to reduce noise and vibration from the
fan. (Noise is an important consideration
in todays’ OH&S conscious workplace.)
Correct casing design is important to
ensure sufficient rigidity under the expected
operating conditions – vibration & bellowing
are common results of insufficient stiffness in
the casing.
Morse can construct Fans from various
grades of Stainless Steel and can also apply
various coatings such as galvanizing, or
epoxy paints to give added protection in
harsh environments. Of course it will add to
the upfront cost of the fan but the extended
life you get from the fan will repay the
investment. After all its not just the cost of the
fan, but the cost of a breakdown (repairs,
lost production) that should be considered.
We have made impellers recently from the
following materials Mild Steel, Stainless Steel
(316, 304), Aluminium, Incolloy 800H
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