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Alum-A-Frame
Enclosures |
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Acoustic enclosures will be as varied as the
customer's requirements (or one's imagination), The
enclosure outer walls generally consist of 16 gauge
thickness of galvanized mild steel sheeting, and are
internally lined to meet your requirements. The lining
material can vary from rockwool covered with perforated
metal to foams and composites. Acoustic enclosures for
diesel engines (generator sets) need to handle the
aspiration and cooling airflow through inlet and outlet
attenuators, acoustic louvers, or baffles, and provide
flexible connections from the radiator to the outlet. We can
build the acoustic enclosure around your machine after it
has been delivered to our factory, or design and build using
your detailed drawings. The design of the acoustic enclosure
is capable of variation to many machine noise problems.
Requirements can range from a small noise reduction, in
which a minimal solution will be adequate, ie. an enclosure
which may not fully enclose the machine, can achieve 5-10
dB(A) noise reduction. More elaborate enclosures can achieve
a noise reduction of greater than 30dB(A), and can consist
of one enclosure inside another.
Drop over acoustical enclosures can be used
when it is necessary to suppress noise pollution from machinery
either fixed or mobile. Legally employers must protect their
employees from continuous high noise levels above
85dB(A).Equipment such as presses, foundry shake-out machines,
nail making machines, and granulators require an inlet and
outlet for entry and exit of the product. These openings need
attenuation to minimise noise emission. Fans emitting
considerable noise through the casing will also need to be
enclosed and therefore penetrations will need to be provided for
the air inlet and outlet. A small ventilation fan may be needed
to remove the electric motor heat.
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