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The proof of the reliability of a gear drive is now an additional requirement. In Europe, the acceptance authorities for wind turbines are requesting a system reliability proof from gearbox manufacturers. The AGMA committee reviewing the AGMA 6006 standard for wind turbines is considering adding a chapter about design for reliability. However, reliability considerations are not new; NASA, for example, was in the 1980s using reliability concepts for gear drives.
For a maintenance crew, it is important to know which bearings need re-lubrication and make sure they are lubricating those bearings. The bearings can be lubricated manually or by automatic lubrication systems. This article
will review each method and discover its pros and cons.
If you are involved in the acquisition of technology (whether your direct role is machine
design, maintenance, purchasing or management), trade shows still provide one of the best
ways to evaluate options, learn about the latest technology and find solutions to problems.