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Location:首页 > News > Industry news

日本精工将振动机械用轴承的寿命延长至2倍以上

2017-12-18 09:04:42

日本精工开发出了通过控制滚子的滑动将产品寿命延长至原产品2倍以上的“振动机械用长寿命自动调心滚子轴承”。主要用于矿业设备的振动机械。可减轻维护负担。共备有外径尺寸为90~400mm的22种产品,力争2011年销售额达到10亿日元。

矿山设备大多在24小时运转等严酷环境下使用。尤其是分拣矿物的振动机械使用的轴承,其使用环境更为恶劣,所以寿命比其他机械使用的轴承短。由于机械停止运转会给生产造成巨大影响,因此要求振动机械使用的轴承具有长寿命及高可靠性等更高性能。

日本精工为了延长轴承的寿命,采用了在处轮轨道面上进行特殊沟槽加工的设计,由此优化了内外轮轨道面及滚子曲率。实现了对滚子滑动(自转)的控制,抑制了旋转时接触面上发生滑动及应力的情况。通过采取这一措施,减少了表面疲劳损伤,从而使轴承的寿命延长到了原产品的2倍以上。

上一篇:精密机械:轴承最被业内人士看好 下一篇:预计从2014年起,全球轴承需求量将年增8.5%

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