![]() (ii) Reducing the Potential Noise Energy: ![]() One should also keep in mind that excessive noise from a tool, for its type, size and power level, generally indicates low mechanical efficiency. Since very few machine tool manufacturers give noise levels for their products at present (in India and other developing countries, at least) factory engineers should compare the noise produced by different makes of machine tools in operation. It may so happen that one make of a machine tool may have particularly noisy gears, compared with another of similar performance. To a lesser extent, the machine tools and other equipment used in the factory will also influence the noise level in the factory. The reason is that, once a process has been selected and introduced in a factory, no amount of noise reduction treatment inside the factory is likely to reduce the noise level of one of the noisy processes to that of its quieter alternative. Noise can hardly be a major consideration in the choice of an industrial process but it must be taken into account as one of the economic factors.
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