| Talking about sounds interests a lot of us in that what would first come out from this topic is that several sounds are the source of people's delight. One, when the bird chirps, we are fascinated. Also, when the school bell rings, we get happy knowing that it means the class has ended. Or, we would flash a smile in a hot afternoon as we hear the music of the ice cream vendor passing by our neighborhood. And of course we should not forget that music, which we love so much, is fundamentally composed of sounds. However, the dark side of sounds is the fact that is also composes noise. Our understanding of good and bad sounds may be different from others'. But what is common is that our human ears have their limits-limits different from the ones we think of. The Occupational Safety and Health Administration has stated that people who are working in areas where they are exposed to an average-level of 85dBA (sound level inversely proportional to the 40 dB (at 1Khz) equal loudness curve) for 8 hours are already in cautionary noise zones. Well, these people may say that they have actually learned to enjoy the very loud sounds from these machines and other stuff present in their work place. However, it has to be remembered that the tendency for them to have hearing ailments is present. Businesses where conveyors are just ordinary parts of the process have the highest potential of causing hearing ailments to their workers. You see conveyors in many workplaces. They are motorized equipments with complex structures causing their operation to be very noisy. Workers work with these conveyors to transfer product and materials from one area to another, thus making the process even noisier than anticipated to be. The effects of these conveyors, however, to the health of the people are ones that should not just be taken for granted. This article discusses the noisiest parts of conveyors and the ways to reduce them so that the problems that they may also cause can be reduced, if not eradicated, as well. There are very few if any conveyors that can be run in complete silence. With all the working and moving parts that most conveyor processes involve, noise is inevitable. Conveyor rollers, roller bearings and roller shafts are a huge source of noise. Conveyor rolling speed is a huge determining factor as to how much sound is actually created by these devices. Often fabricated out of heavy gage steel, their frames can also be a point of heightened noise. Another part of the conveyor that largely contributes to the sound is the drives. Subparts of the drives include the electronic motors, power trains, gear boxes, bearings, belts, chains, sprockets, mounts and guards, causing towering pitched whines and disturbing vibrations to the people around. Also, hearing problems can be caused by the usage of pneumatic devices. Useless static can also be brought about by drained ports and air compression modules in a pneumatically manipulated conveyor. More so, belt based systems cannot tolerate noise as well. How can the belt system affect the sound level of the conveyors? Its nature, as well as its structure can influence the decibel level and the way the conveyor runs the slider and roller beds. More to this, the environment, including the walls and the surroundings of the workplace also has their parts in the creation as well as the lessening of the noise. It is then practical to really choose the right building where to place conveyors. Now that you already know the things that make conveyors noisy, let us find ways on how to avoid them. Companies always aim for the best both for them and for their employees. They wouldn't want their employees to be harmed because of the noise problems that their conveyors pose. Since conveyors' noise is inevitable, one way to protect the employees is to eliminate the conveyors. This can be done either by totally removing the conveyor or by upgrading them. Defective conveyors can also be replaced. Furthermore, conveyors have o be checked from time to time to ensure that their condition does not at all harm the people around. Making sure all conveyor parts are lubricated properly, moving rationally and are not worn out is an almost sure fire way to keep conveyor noise levels in check. Some of the more complex conveyor noise reduction techniques include vibration isolation and dampening as well as acoustic energy absorption. This can be accomplished through creative shielding or encasing. Those fortunate enough to be starting their journey from scratch should make every attempt in their original designs to eliminate potential noise issues at their source. Conveyors may not be able to hear but they do listen when controlled and maneuvered properly. Conveyors are mechanisms that rarely notice sound. Humans are organisms where sound is not only an integrated part of being, but an opportunity for disaster. Companies that deploy conveyors must take considerable measures to assure there operation meets the standards of OSHA. Employees are required to be granted audiograms on a regular basis to find possibilities of hearing loss or degradation. If audio levels reach as high 90 dBA for an eight-hour period, then the use of hearing protectors becomes mandatory. Conveyor health and safety are very serious issues and the more we pay attention to conveyor noise reduction, the better off everyone will be. For more information about, or to buy Drop Forged Rivetless Chain, Power Trolleys, or other conveyor related parts, please visit Wilkie Brother Conveyors. Article Source: http://www.articlesforcanada.ca | |||
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Thursday, March 22, 2012
Conveyor Noise: Their Solutions | Articles For Canada
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