<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: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 15px; letter-spacing: 0.5px; text-align: center;">发布时间：2025年6月13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: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 15px; letter-spacing: 0.5px;">正确判断NACHI轴承是否需要更换，需要结合轴承的运行状态、损坏程度、使用寿命以及设备的整体性能等多方面因素进行综合评估。以下是一些具体的判断方法和关键指标：</p><hr/><h3 style="box-sizing: border-box; color: rgba(0, 0, 0, 0.85); margin-bottom: 0.5rem; margin-top: 1rem; font-size: 1.25rem; font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; letter-spacing: 0.5px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-weight: bolder;">一、观察外观和表面损伤</span></h3><ol style="box-sizing: border-box; margin-block-start: 1em; margin-inline: 0px; padding-inline-start: 2.3em; font-size: 1rem; margin-top: 0.5rem; margin-bottom: 0.5rem; color: rgb(27, 28, 33); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; 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;">裂纹或断裂</span></p></li><ul style="list-style-type: disc;" class=" list-paddingleft-2"><li><p>如果<span style="color: rgb(27, 28, 33); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 15px; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承的滚道、滚动体或保持架出现裂纹或断裂，表明轴承已严重损坏，必须立即更换。</p></li><li><p>示例：滚道表面出现明显裂痕，或保持架断裂导致滚动体散落。</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;">磨损和剥落</span></p></li><ul style="list-style-type: disc;" class=" list-paddingleft-2"><li><p>检查<span style="color: rgb(27, 28, 33); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 15px; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承表面是否有过度磨损、点蚀或剥落。若滚道或滚动体的金属表面出现大面积剥落或深度磨损，说明轴承已失效。</p></li><li><p>示例：滚道表面出现鱼鳞状剥落，或滚动体因磨损导致形状不规则。</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;">锈蚀或腐蚀</span></p></li><ul style="list-style-type: disc;" class=" list-paddingleft-2"><li><p>如果<span style="color: rgb(27, 28, 33); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 15px; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承表面出现锈迹或腐蚀痕迹，表明润滑或密封不良，可能导致轴承性能下降，需及时更换。</p></li><li><p>示例：<span style="color: rgb(27, 28, 33); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 15px; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承内外圈或滚动体表面生锈，尤其是缝隙处有锈渣。</p></li></ul></ol><hr/><h3 style="box-sizing: border-box; color: rgba(0, 0, 0, 0.85); margin-bottom: 0.5rem; margin-top: 1rem; font-size: 1.25rem; font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; letter-spacing: 0.5px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-weight: bolder;">二、检查运行中的异常表现</span></h3><ol style="box-sizing: border-box; margin-block-start: 1em; margin-inline: 0px; padding-inline-start: 2.3em; font-size: 1rem; margin-top: 0.5rem; margin-bottom: 0.5rem; color: rgb(27, 28, 33); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; 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;">噪音和振动</span></p></li><ul style="list-style-type: disc;" class=" list-paddingleft-2"><li><p>正常运行的<span style="color: rgb(27, 28, 33); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 15px; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承噪音平稳且微弱。如果听到异常噪音（如尖锐的啸叫声、周期性敲击声或轰鸣声），或感受到明显的振动，可能是<span style="color: rgb(27, 28, 33); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 15px; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承损坏或润滑不良。</p></li><li><p>示例：<span style="color: rgb(27, 28, 33); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 15px; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承运转时发出“吱吱”声，可能是缺油或滚动体磨损。</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;">温度异常升高</span></p></li><ul style="list-style-type: disc;" class=" list-paddingleft-2"><li><p><span style="color: rgb(27, 28, 33); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 15px; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承运行时温度过高（如明显高于正常值或烫手）可能表明润滑不足、过载或轴承内部损坏。</p></li><li><p>示例：<span style="color: rgb(27, 28, 33); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 15px; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承外圈温度持续超过80°C，且伴随异味。</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;">卡滞或阻力增大</span></p></li><ul style="list-style-type: disc;" class=" list-paddingleft-2"><li><p>如果<span style="color: rgb(27, 28, 33); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 15px; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承转动时出现卡滞、不灵活或阻力明显增大，可能是保持架变形、润滑失效或滚动体损坏。</p></li><li><p>示例：手动旋转轴承时感觉吃力或不顺畅。</p></li></ul></ol><hr/><h3 style="box-sizing: border-box; color: rgba(0, 0, 0, 0.85); margin-bottom: 0.5rem; margin-top: 1rem; font-size: 1.25rem; font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; letter-spacing: 0.5px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-weight: bolder;">三、测量关键尺寸和间隙</span></h3><ol style="box-sizing: border-box; margin-block-start: 1em; margin-inline: 0px; padding-inline-start: 2.3em; font-size: 1rem; margin-top: 0.5rem; margin-bottom: 0.5rem; color: rgb(27, 28, 33); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; 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;">游隙检测</span></p></li><ul style="list-style-type: disc;" class=" list-paddingleft-2"><li><p>使用塞尺或千分表测量轴承的径向游隙和轴向游隙。若游隙超出设计范围（过大或过小），可能导致轴承失效。</p></li><li><p>示例：径向游隙超过原始值的30%，说明<span style="color: rgb(27, 28, 33); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 15px; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承已磨损严重。</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;">配合间隙检查</span></p></li><ul style="list-style-type: disc;" class=" list-paddingleft-2"><li><p>检查<span style="color: rgb(27, 28, 33); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 15px; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承与轴、机架的配合是否松动或过紧。配合不当可能导致轴承过早损坏。</p></li><li><p>示例：<span style="color: rgb(27, 28, 33); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 15px; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承内圈与轴之间出现明显间隙，或外圈与机架配合过松。</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;">振动值检测</span></p></li><ul style="list-style-type: disc;" class=" list-paddingleft-2"><li><p>使用振动仪测量轴承的振动速度或加速度。若振动值超过设备允许范围（如ISO标准或设备制造商规定），需进一步检查或更换。</p></li><li><p>示例：振动值超过4.5 mm/s（非冲击工况下）。</p></li></ul></ol><hr/><h3 style="box-sizing: border-box; color: rgba(0, 0, 0, 0.85); margin-bottom: 0.5rem; margin-top: 1rem; font-size: 1.25rem; font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; letter-spacing: 0.5px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-weight: bolder;">四、分析润滑状态</span></h3><ol style="box-sizing: border-box; margin-block-start: 1em; margin-inline: 0px; padding-inline-start: 2.3em; font-size: 1rem; margin-top: 0.5rem; margin-bottom: 0.5rem; color: rgb(27, 28, 33); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; 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;">润滑剂变质或流失</span></p></li><ul style="list-style-type: disc;" class=" list-paddingleft-2"><li><p>如果润滑脂变干、变硬、变色（如发黑或发白），或润滑油浑浊、乳化，表明润滑效果丧失，需更换轴承并清洗润滑系统。</p></li><li><p>示例：润滑脂中混入金属碎屑或水分，导致润滑性能下降。</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;">缺油或润滑不足</span></p></li><ul style="list-style-type: disc;" class=" list-paddingleft-2"><li><p>检查润滑脂是否覆盖滚动体和滚道，若润滑不足或分布不均，可能导致局部过热和磨损。</p></li><li><p>示例：拆开<span style="color: rgb(27, 28, 33); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 15px; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承后发现滚道干燥或只有少量润滑脂残留。</p></li></ul></ol><hr/><h3 style="box-sizing: border-box; color: rgba(0, 0, 0, 0.85); margin-bottom: 0.5rem; margin-top: 1rem; font-size: 1.25rem; font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; letter-spacing: 0.5px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-weight: bolder;">五、参考运行时间和疲劳寿命</span></h3><ol style="box-sizing: border-box; margin-block-start: 1em; margin-inline: 0px; padding-inline-start: 2.3em; font-size: 1rem; margin-top: 0.5rem; margin-bottom: 0.5rem; color: rgb(27, 28, 33); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; 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;">使用寿命评估</span></p></li><ul style="list-style-type: disc;" class=" list-paddingleft-2"><li><p>根据设备的运行时间、负载大小和工作条件，判断轴承是否达到预期寿命。NACHI轴承的疲劳寿命通常以小时或里程计算，若接近或超过设计寿命，建议更换。</p></li><li><p>示例：在高负荷连续运行条件下，深沟球轴承的使用寿命可能仅为5000小时。</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;">疲劳迹象</span></p></li><ul style="list-style-type: disc;" class=" list-paddingleft-2"><li><p>即使没有明显损坏，轴承也可能出现疲劳迹象（如滚道表面出现微小凹坑或变色），这表明材料已接近疲劳极限，需提前更换。</p></li></ul></ol><hr/><h3 style="box-sizing: border-box; color: rgba(0, 0, 0, 0.85); margin-bottom: 0.5rem; margin-top: 1rem; font-size: 1.25rem; font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; letter-spacing: 0.5px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-weight: bolder;">六、辅助检测手段</span></h3><ol style="box-sizing: border-box; margin-block-start: 1em; margin-inline: 0px; padding-inline-start: 2.3em; font-size: 1rem; margin-top: 0.5rem; margin-bottom: 0.5rem; color: rgb(27, 28, 33); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; 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;">声音检测</span></p></li><ul style="list-style-type: disc;" class=" list-paddingleft-2"><li><p>使用音频分析仪或专业工具捕捉轴承运转时的频率特征。异常频率（如轴承故障特征频率）可能提示早期损坏。</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;">磨损颗粒分析</span></p></li><ul style="list-style-type: disc;" class=" list-paddingleft-2"><li><p>通过油液分析技术（如铁谱分析或光谱分析），检测润滑剂中的金属颗粒含量和形态。若发现大量轴承材料颗粒（如铬钢颗粒），说明轴承正在磨损。</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;">电气检测（适用于电机轴承）</span></p></li><ul style="list-style-type: disc;" class=" list-paddingleft-2"><li><p>使用电机电流分析仪（MCSA）检测电机轴承的异常电流信号，判断轴承是否存在缺陷。</p></li></ul></ol><hr/><h3 style="box-sizing: border-box; color: rgba(0, 0, 0, 0.85); margin-bottom: 0.5rem; margin-top: 1rem; font-size: 1.25rem; font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; letter-spacing: 0.5px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-weight: bolder;">七、综合判断与决策</span></h3><ul style="box-sizing: border-box; list-style-position: initial; list-style-image: initial; padding: 0px; margin-block-start: 1em; margin-inline: 0px; padding-inline-start: 2.3em; font-size: 1rem; letter-spacing: 0.1rem; margin-top: 0.5rem; margin-bottom: 0.5rem; color: rgb(27, 28, 33); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);" class=" list-paddingleft-2"><li><p><span style="box-sizing: border-box; font-weight: bolder;">轻微损伤</span>：若<span style="color: rgb(27, 28, 33); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 15px; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承仅有轻微磨损或表面划痕，且运行噪音、振动和温度正常，可继续使用，但需加强监测。</p></li><li><p><span style="box-sizing: border-box; font-weight: bolder;">中度损坏</span>：如出现局部剥落、轻微裂纹或游隙超标，建议更换<span style="color: rgb(27, 28, 33); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 15px; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承，避免连带损坏其他部件。</p></li><li><p><span style="box-sizing: border-box; font-weight: bolder;">严重损坏</span>：如裂纹、断裂、过热或剧烈振动，必须立即停机并更换轴承。</p></li></ul><hr/><h3 style="box-sizing: border-box; color: rgba(0, 0, 0, 0.85); margin-bottom: 0.5rem; margin-top: 1rem; font-size: 1.25rem; font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; letter-spacing: 0.5px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-weight: bolder;">注意事项</span></h3><ol style="box-sizing: border-box; margin-block-start: 1em; margin-inline: 0px; padding-inline-start: 2.3em; font-size: 1rem; margin-top: 0.5rem; margin-bottom: 0.5rem; color: rgb(27, 28, 33); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; letter-spacing: 0.5px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);" class=" list-paddingleft-2"><li><p><span style="box-sizing: border-box; font-weight: bolder;">避免“跑冒滴漏”</span>：不要仅凭外观或短期异常就频繁更换轴承，需结合长期运行数据和检测结果。</p></li><li><p><span style="box-sizing: border-box; font-weight: bolder;">记录分析</span>：建立轴承更换台账，记录运行时间、损坏原因和更换周期，为后续维护提供依据。</p></li><li><p><span style="box-sizing: border-box; font-weight: bolder;">选择原厂配件</span>：更换时优先选用NACHI原厂轴承，确保尺寸、精度和性能匹配。</p></li></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: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang SC-Regular", "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 15px; letter-spacing: 0.5px;">通过以上方法，可以精准判断NACHI轴承的更换时机，既能避免过早更换造成的浪费，又能防止因轴承失效引发的设备故障。</p><p><br/></p>