Above c 3mm sheet thickness it becomes increasingly difficult to achieve a substantial noise reduction. The efficiency falls off for thicker sheets. The latter can simply be stuck on to existing flat components (inside or outside) covering c 80% of the flat surface area to give a 5 - 25dB(A) reduction in the noise radiated (use a thickness that is c 40% to 100% of the thickness of the panel to be treated). 1 Vibration damping: reduce noise from guards, hoppers, conveyors, tanks…Ģ Vibration isolation pads: isolate motors, pumps, hydraulics from noise amplifying sounding boards …ģ Fan installation and efficiency: maximum efficiency = minimum noise – fan installation best practice guideĤ Aerodynamic fan noise control – silencing without silencers: retro-fit modifications = less noise + higher efficiencyĥ Pneumatic exhaust silencing: efficient attenuation with zero back-pressureĦ Pneumatic nozzle noise reduction: efficient nozzles that produce less noise and use less air for the same performance…ħ Chains and timing belt noise: simple modifications to reduce noise levelsĨ Electric motor noise: some are easily modified and some should be sent back due to excessive noiseĩ Hydraulic power pack noise: many are designed to maximise noise levels – easily correctedġ0 Convert to acoustically effective guards: existing safety guards can often be modified to make them effective acoustic guardsĪdapting and applying the techniques: often free by email.ĭownload the Top 10 noise controls pdf with sound here >Įither re-manufacture steel (or aluminium) guards, panels or other components from commercially available sound damped steel or buy self-adhesive steel sheet from the supplier.
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