<p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; white-space: pre-wrap; background-color: rgb(255, 255, 255); color: rgb(27, 28, 33); line-height: 1.625rem; word-break: break-word; font-family: "PingFang SC", "PingFang SC-Regular"; letter-spacing: 0.5px; text-align: center;">发布时间:2025年3月3日 NACHI</p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; white-space: pre-wrap; background-color: rgb(255, 255, 255); color: rgb(27, 28, 33); line-height: 1.625rem; word-break: break-word; font-family: "PingFang SC", "PingFang SC-Regular"; letter-spacing: 0.5px;">NACHI滑动轴承的故障可能由多种因素导致,以下是一些常见的故障类型及其原因分析:</p><ol style="box-sizing: border-box; margin-block-start: 1em; padding-inline-start: 2.3em; margin-top: 0.5rem; margin-bottom: 0.5rem; color: rgb(27, 28, 33); font-family: "PingFang SC", "PingFang SC-Regular"; letter-spacing: 0.5px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);" class=" list-paddingleft-2"><li><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; white-space-collapse: preserve; background-color: rgba(0, 0, 0, 0); line-height: 1.625rem; word-break: break-word;"><span style="box-sizing: border-box; font-weight: bolder;">磨损</span></p></li><ul style="list-style-type: disc;" class=" list-paddingleft-2"><li><p><span style="box-sizing: border-box; font-weight: bolder;">润滑不良</span>:如果润滑油不足、变质或含有杂质,会导致<span style="color: rgb(27, 28, 33); font-family: "PingFang SC", "PingFang SC-Regular"; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承表面磨损加剧。例如,润滑油量低于规定值,或者油品老化、混入水分和灰尘等,都会使轴与轴承之间无法形成良好的润滑膜,从而加速磨损<span class="custom-footnote" style="box-sizing: border-box; background: url("https://openres.xfyun.cn/xfyundoc/2024-04-21/9a6ae90a-8c57-4672-b21a-dba98d4f5917/1713685044472/111.svg") center 0px / 100% no-repeat; color: rgb(255, 255, 255); cursor: pointer; display: inline-block; font-size: 0.75rem; font-weight: 600; height: 0.6875rem; margin: 0px 0.0625rem; text-align: center; width: 0.5625rem;"></span>。</p></li><li><p><span style="box-sizing: border-box; font-weight: bolder;">过载</span>:长期承受超过设计负荷的力,会使<span style="color: rgb(27, 28, 33); font-family: "PingFang SC", "PingFang SC-Regular"; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承表面的接触应力增大,导致磨损加快。比如在高负荷的工作环境下,轴承长时间处于超载状态,其磨损程度会比正常负载下更快。</p></li><li><p><span style="box-sizing: border-box; font-weight: bolder;">安装不当</span>:安装过程中,如果<span style="color: rgb(27, 28, 33); font-family: "PingFang SC", "PingFang SC-Regular"; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承与轴或轴承座的配合过紧或过松,都可能导致轴承在运转时产生异常磨损。配合过紧会使轴承内部的间隙变小,增加摩擦阻力;配合过松则会使轴承在运转过程中发生晃动,造成局部磨损。</p></li></ul><li><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; white-space-collapse: preserve; background-color: rgba(0, 0, 0, 0); line-height: 1.625rem; word-break: break-word;"><span style="box-sizing: border-box; font-weight: bolder;">疲劳剥落</span></p></li><ul style="list-style-type: disc;" class=" list-paddingleft-2"><li><p><span style="box-sizing: border-box; font-weight: bolder;">循环载荷作用</span>:在交变载荷的作用下,<span style="color: rgb(27, 28, 33); font-family: "PingFang SC", "PingFang SC-Regular"; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承表面的材料会产生疲劳裂纹,随着裂纹的扩展,最终导致材料剥落。这种疲劳剥落通常发生在轴承的滚动体和滚道表面,会破坏轴承的平滑度,影响其正常工作<span class="custom-footnote" style="box-sizing: border-box; background: url("https://openres.xfyun.cn/xfyundoc/2024-04-21/9a6ae90a-8c57-4672-b21a-dba98d4f5917/1713685044472/111.svg") center 0px / 100% no-repeat; color: rgb(255, 255, 255); cursor: pointer; display: inline-block; font-size: 0.75rem; font-weight: 600; height: 0.6875rem; margin: 0px 0.0625rem; text-align: center; width: 0.5625rem;"></span>。</p></li><li><p><span style="box-sizing: border-box; font-weight: bolder;">材料缺陷</span>:如果<span style="color: rgb(27, 28, 33); font-family: "PingFang SC", "PingFang SC-Regular"; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承的材料存在内部缺陷,如气孔、夹杂物等,会在循环载荷的作用下成为疲劳裂纹的源头,加速疲劳剥落的发生。</p></li></ul><li><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; white-space-collapse: preserve; background-color: rgba(0, 0, 0, 0); line-height: 1.625rem; word-break: break-word;"><span style="box-sizing: border-box; font-weight: bolder;">腐蚀</span></p></li><ul style="list-style-type: disc;" class=" list-paddingleft-2"><li><p><span style="box-sizing: border-box; font-weight: bolder;">化学腐蚀</span>:当轴承接触到具有腐蚀性的物质时,会发生化学反应,导致轴承表面被腐蚀。例如,在一些化工生产环境中,<span style="color: rgb(27, 28, 33); font-family: "PingFang SC", "PingFang SC-Regular"; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承可能会接触到酸、碱等腐蚀性介质,从而引发化学腐蚀<span class="custom-footnote" style="box-sizing: border-box; background: url("https://openres.xfyun.cn/xfyundoc/2024-04-21/9a6ae90a-8c57-4672-b21a-dba98d4f5917/1713685044472/111.svg") center 0px / 100% no-repeat; color: rgb(255, 255, 255); cursor: pointer; display: inline-block; font-size: 0.75rem; font-weight: 600; height: 0.6875rem; margin: 0px 0.0625rem; text-align: center; width: 0.5625rem;"></span>。</p></li><li><p><span style="box-sizing: border-box; font-weight: bolder;">电腐蚀</span>:在电机等电气设备中,由于电流通过轴承时可能会产生电火花,从而导致<span style="color: rgb(27, 28, 33); font-family: "PingFang SC", "PingFang SC-Regular"; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承表面的金属材料被腐蚀。这种情况通常发生在电机的转子轴与滑动轴承之间。</p></li></ul><li><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; white-space-collapse: preserve; background-color: rgba(0, 0, 0, 0); line-height: 1.625rem; word-break: break-word;"><span style="box-sizing: border-box; font-weight: bolder;">裂纹</span></p></li><ul style="list-style-type: disc;" class=" list-paddingleft-2"><li><p><span style="box-sizing: border-box; font-weight: bolder;">过大的载荷冲击</span>:突然施加的巨大冲击力可能会使轴承产生裂纹。例如,在机械设备启动或停止时的瞬间,如果加速度过大,轴承可能会受到较大的冲击载荷,导致裂纹的产生。</p></li><li><p><span style="box-sizing: border-box; font-weight: bolder;">热应力影响</span>:在高温或低温环境下工作的轴承,由于材料的热膨胀系数不同,会产生热应力。如果热应力超过了轴承材料的强度极限,就会导致裂纹的出现。</p></li></ul><li><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; white-space-collapse: preserve; background-color: rgba(0, 0, 0, 0); line-height: 1.625rem; word-break: break-word;"><span style="box-sizing: border-box; font-weight: bolder;">胶合</span></p></li><ul style="list-style-type: disc;" class=" list-paddingleft-2"><li><p><span style="box-sizing: border-box; font-weight: bolder;">润滑失效</span>:当润滑油膜无法正常形成或保持时,轴承的表面会出现干摩擦,导致局部温度急剧升高。在高温下,金属表面的微凸体会发生粘连,进而产生胶合现象<span class="custom-footnote" style="box-sizing: border-box; background: url("https://openres.xfyun.cn/xfyundoc/2024-04-21/9a6ae90a-8c57-4672-b21a-dba98d4f5917/1713685044472/111.svg") center 0px / 100% no-repeat; color: rgb(255, 255, 255); cursor: pointer; display: inline-block; font-size: 0.75rem; font-weight: 600; height: 0.6875rem; margin: 0px 0.0625rem; text-align: center; width: 0.5625rem;"></span>。</p></li><li><p><span style="box-sizing: border-box; font-weight: bolder;">过载运行</span>:长时间在超过设计负荷的工况下运行,会使轴承的压力增大,摩擦产生的热量增多,容易引发胶合。</p></li></ul></ol><p style="box-sizing: border-box; margin-top: 0.625rem; margin-bottom: 0px; padding: 0px; white-space: pre-wrap; background-color: rgb(255, 255, 255); color: rgb(27, 28, 33); line-height: 1.625rem; word-break: break-word; font-family: "PingFang SC", "PingFang SC-Regular"; letter-spacing: 0.5px;">综上所述,NACHI滑动轴承的故障类型多种多样,每种故障都有其特定的成因。为了确保滑动轴承的正常运行和延长使用寿命,需要针对这些常见故障采取有效的预防和解决措施。</p><p><br/></p>