CSK264-AP

CSK264AP-SG10

主要产品：日本东方马达，韩国DKM减速电机，泰映TROY减速电机，韩国SPG小功率

马达，CPG晟邦减速电机 ...

销售热线: 180-6090-9625/0592-6013512

联系人：兰工

      QQ: 869740621

减速机技术资料：

蜗轮减速机常见问题分析
     蜗轮蜗杆减速机作为一个传统的传动装置，内部是涡轮蜗杆，齿形是渐开线的。很多的蜗轮减速机使用者对蜗轮减速机的了解情况是少之又少的，更不要说对于一些常见问题的分析了，下面我们就和大家一起来了解下蜗轮减速机常见问题分析。

一、常见问题及其原因

1．减速机发热和漏油。为了提高效率，蜗轮减速机一般均采用有色金属做蜗轮，蜗杆则采用较硬的钢材。由于是滑动摩擦传动，运行中会产生较多的热量，使减速机各零件和密封之间热膨胀产生差异，从而在各配合面形成间隙，润滑油液由于温度的升高变稀，易造成泄漏。 造成这种情况的原因主要有四点，一是材质的搭配不合理；二是啮合摩擦面表面的质量差；三是润滑油添加量的选择不正确；四是装配质量和使用环境差。

2．蜗轮磨损。蜗轮一般采用锡青铜，配对的蜗杆材料用45钢淬硬至HRC4555，或40Cr淬硬HRC5055后经蜗杆磨床磨削至粗糙度Ra0.8μm。减速机正常运行时磨损很慢，某些减速机可以使用10年以上。如果磨损速度较快，就要考虑选型是否正确，是否超负荷运行，以及蜗轮蜗杆的材质、装配质量或使用环境等原因。

3．传动小斜齿轮磨损。一般发生在立式安装的减速机上，主要与润滑油的添加量和油品种有关。立式安装时，很容易造成润滑油量不足，减速机停止运转时，电机和减速机间传动齿轮油流失，齿轮得不到应有的润滑保护。减速机启动时，齿轮由于得不到有效润滑导致机械磨损甚至损坏。

4．蜗杆轴承损坏。发生故障时，即使减速箱密封良好，还是经常发现减速机内的齿轮油被乳化，轴承生锈、腐蚀、损坏。这是因为减速机在运行一段时间后，齿轮油温度升高又冷却后产生的凝结水与水混合。当然，也与轴承质量及装配工艺密切相关。

二、解决方法

1．保证装配质量。可购买或自制一些专用工具，拆卸和安装减速机部件时，尽量避免用锤子等其他工具敲击；更换齿轮、蜗轮蜗杆时，尽量选用原厂配件和成对更换；装配输出轴时，要注意公差配合；要使用防粘剂或红丹油保护空心轴，防止磨损生锈或配合面积垢，维修时难拆卸。

2．润滑油和添加剂的选用。蜗齿减速机一般选用220#齿轮油，对重负荷、启动频繁、使用环境较差的减速机，可选用一些润滑油添加剂，使减速机在停止运转时齿轮油依然附着在齿轮表面，形成保护膜，防止重负荷、低速、高转矩和启动时金属间的直接接触。添加剂中含有密封圈调节剂和抗漏剂，使密封圈保持柔软和弹性，有效减少润滑油泄漏。

3．减速机安装位置的选择。位置允许的情况下，尽量不采用立式安装。立式安装时，润滑油的添加量要比水平安装多很多，易造成减速机发热和漏油。

4．建立润滑维护制度。可根据润滑工作“五定”原则对减速机进行维护，做到每一台减速机都有责任人定期检查，发现温升明显，超过40℃或油温超过80℃，油的质量下降或油中发现较多的铜粉以及产生不正常的噪声等现象时，要立即停止使用，及时检修，排除故障，更换润滑油。加油时，要注意油量，保证减速机得到正确的润滑。还可以选用齿轮箱清洗维护机利用齿轮箱原有的给排油系统以及过滤后的润滑油对齿轮箱进行清洗，不改变齿轮箱任何硬件设施、不添加任何清洗剂，保证了齿轮箱安全运营，延长了齿轮箱的使用寿命。


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