国产制服丝袜深夜一区_日本熟女亚洲视频_乱伦欧美中文精品_午夜精品福利在线播放_99久久免费国产大片_学校停电我们做了三次网站_91日韩精品中文字幕手机在线_亚洲综合av不卡_看一级毛片免费观看视频_色欲成人AV网络在线观看

News

Self-lubricating Bearing Features And Advantages

-2015-03-10 10:36:23

Self-lubricating bearings. With its unique performance and its economy at home and abroad a wide range of applications. The copper sleeve matrix with high strength and high hardness of copper alloy, copper than the average hardness, strength more than doubled. The surface of the copper sleeve embedded inlaid graphite-based oil-containing solid lubricants, lubrication area of about 25%, the bearing itself produces a layer of solid-liquid mixed lubrication film, Its performance. It can work normally under severe conditions such as heavy load, high temperature, impact load, reciprocating motion, water and difficult to refuel. While the ordinary copper sleeve due to failure of the oil film wear and tear accelerated or even can not be used. The product has been nearly 10 years of history, has been widely used in various industries across the country. With the understanding of the use of this product will become increasingly large, will produce good benefits to society.