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href="http://www.u-transmission.com/news">企业新闻</a> </em> <em></em><em>浏览次数：3341 </em></p></div><div class="enter "><p>对于<a href="http://www.u-transmission.com" target="_blank" rel="noopener noreferrer">回转支承</a>的寿命是大家普遍关注的问题，在回转支承的选型设计阶段，通过理论计算可以得到回转支承的使用寿命，但是在实际应用中总是达不到理论的寿命，主要从三个方向进行分析增加回转支承寿命的办法，选型设计，安装，维护保养。下面不二传动就来介绍一下回转支承的选型设计。</p><p>&nbsp;</p><p><noscript><img class="aligncenter size-full wp-image-1699" src="http://www.u-transmission.com/wp-content/uploads/2021/07/huizhuanzhichengxuanxing.jpg" alt="回转支承" width="800" height="577" srcset="http://www.u-transmission.com/wp-content/uploads/2021/07/huizhuanzhichengxuanxing.jpg 800w, http://www.u-transmission.com/wp-content/uploads/2021/07/huizhuanzhichengxuanxing-300x216.jpg 300w, http://www.u-transmission.com/wp-content/uploads/2021/07/huizhuanzhichengxuanxing-768x554.jpg 768w, http://www.u-transmission.com/wp-content/uploads/2021/07/huizhuanzhichengxuanxing-555x400.jpg 555w" sizes="(max-width: 800px) 100vw, 800px" /></noscript><img class="lazyload aligncenter size-full wp-image-1699" src='data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%20800%20577%22%3E%3C/svg%3E' data-src="http://www.u-transmission.com/wp-content/uploads/2021/07/huizhuanzhichengxuanxing.jpg" alt="回转支承" width="800" height="577" data-srcset="http://www.u-transmission.com/wp-content/uploads/2021/07/huizhuanzhichengxuanxing.jpg 800w, http://www.u-transmission.com/wp-content/uploads/2021/07/huizhuanzhichengxuanxing-300x216.jpg 300w, http://www.u-transmission.com/wp-content/uploads/2021/07/huizhuanzhichengxuanxing-768x554.jpg 768w, http://www.u-transmission.com/wp-content/uploads/2021/07/huizhuanzhichengxuanxing-555x400.jpg 555w" data-sizes="(max-width: 800px) 100vw, 800px" /></p><p>&nbsp;</p><p>1、使用环境</p><p>&nbsp;</p><p>在回转支承的选型阶段要对使用的环境进行详细的描述，以下是常见的几种使用环境：</p><p>&nbsp;</p><p>潮湿的环境：应防止水汽进入沟道并对轴承表面进行腐蚀，选用长唇密封或者多唇密封，甚至再加多组密封，密封与轴承接触面积大能有效阻止水汽的进入，轴承表面进行防腐处理如镀锌等，防止轴承生锈腐蚀致使断裂失效。</p><p>&nbsp;</p><p>高温的环境：选用耐高温的材料，保持器选用金属保持器或者玻璃纤维保持器，密封选用耐高温橡胶如氟橡胶，油脂选用高温油脂。</p><p>&nbsp;</p><p>灰尘大的环境：有效阻止灰尘进入沟道的主要途径就是密封的选用，与潮湿状态下的选用方法相同。</p><p>&nbsp;</p><p>2.、转速</p><p>&nbsp;</p><p>回转支承的的转速在选型阶段的描述并不是我们通常意义上讲述的每分钟多少转，实际在使用中回转支承在很多场合下都不是匀速使用的，在设计中我们会提供极限转速，回转支承在极限转速的状态下使用不能超过相应规定时间，因转速过高，会造成轴承温度过高发热，散热不好，造成沟道烧伤，滚动体烧伤，致使回转支承损坏，选用高转速的回转支承应满足，整体铜保持器，耐高温密封与油脂。</p><p>&nbsp;</p><p>3、载荷</p><p>&nbsp;</p><p>根据不通的载荷情况有多种回转支承类型可供选择，载荷分为轴向载荷，径向载荷，倾覆力矩，在回转支撑直径方向尺寸不变的情况下，增加滚动体的直径能有效增加轴承的载荷，整体保持器能使回转之承的受力更均匀。</p><p>&nbsp;</p><p>回转支承选型阶段，对于使用工况的描述是至关重要的，描述的越详细，使工程师选型设计更完善，更能适合于客户的使用。</p><div class="bqc"><div class="next_post"><p>上一篇: <a href="http://www.u-transmission.com/news/1701.html" rel="next">生产回转支承不仅靠设备，更需要软实力</a></p><p>下一篇: <a href="http://www.u-transmission.com/news/1692.html" 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