文档详情

Rolling Bearings Contribute to the Environment.pdf

发布:2015-09-28约字共22页下载文档
文本预览下载声明
Rolling Bearings Contribute to the EnvironmentRolling Bearings Contribute to the Environment Rolling Bearings Contribute to the EnvironmentRolling Bearings Contribute to the Environment Japan Bearing Association Global environment committee 1. Introduction Environmental problems the world over, beginning with depletion of the ozone layer in the 1980s, have lead to global warming, stripping of natural resources, toxic waste, and so on. The progress we enjoy now may spell out the ultimate demise of our very existence as humans in general. Global environmental issues are related to the activities of every individual. Although not readily apparent, rolling bearings, being an essential element in various industries, also have an impact on the environment. Originally designed to use less energy and save natural resources through their entire life, rolling bearings are environmentally friendly and have little negative impact on the environment. Specifically, one distinctive feature of bearings is low friction. This contributes to the use of less energy of all rolling areas. Regarding bearing production, recycled steel from scrap is mostly used for the raw material of bearing steel, and machining grids. Chips at the production process are also melted and recycled. With these points in mind, we want to discuss and touch on the topic of the environmentally friendly aspects of rolling bearings. 2. Energy Conservation Since the industrial revolution, energy consumption has grown significantly. Most energy requirements are filled by the consumption of fossil fuels, such as petroleum products, and coal. These energy sources are limited, though, and will eventually be depleted in the future. During the
显示全部
相似文档