VHR590A-25JG

VHR590A-25U

主要产品：日本东方马达，泰映TROY减速电机，韩国SPG小功率马达，

韩国DKM减速电机,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：

减速机是一种动力传达机构，利用齿轮的速度转换器，将电机(马达)的回转数减速到所要的回转数，并得到较大转矩的机构。在目前用于传递动力与运动的机构中，减速机的应用范围相当广泛。下面让万贯五金机电网的小编带您一起了解一下蜗轮蜗杆减速机常见问题及其原因：
(1)减速机发热和漏油
(2)蜗轮磨损
(3)传动小斜齿轮磨损
(4)轴承(蜗杆处)损坏
1、减速机发热和漏油
蜗轮减速机为了提高效率，一般均采用有色金属做蜗轮，采用较硬的钢材，由于它是滑动摩擦传动，在运行过程中，就会产生较高的热量，使减速机各零件和密封之间热膨胀产生差异，从而在各配合面产生间隙，而油液由于温度的升高变稀，容易造成泄漏。
主要原因有四点，一是材质的搭配是否合理，二是啮合磨擦面的表面质量，三是润滑油的选择，添加量是否正确，四是装配质量和使用环境。
2、蜗轮磨损
蜗轮一般采用锡青铜，配对的蜗杆材料一般用45钢淬硬至HRC45一55,还常用40C:淬硬HRC50一55，经蜗杆磨床磨削至粗糙度RaO.8fcm,减速机正常运行时，蜗杆就象一把淬硬的“锉刀”，不停地锉削蜗轮，使蜗轮产生磨损。
一般来说，这种磨损很慢，象某厂有些减速机可以使用10年以上。如果磨损速度较快，就要考虑减速机的选型是否正确，是否有超负荷运行，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，主要跟润滑油的添加量和润滑油的选择有关。立式安装时，很容易造成润滑油油量不足，当减速机停止运转时，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，启动或运转过程中得不到有效的润滑导致机械磨损甚至损坏。
4、蜗杆轴承损坏
减速机发生故障时，即使减速箱密封良好，该厂还是经常发现减速机内的齿轮油已经被乳化，轴承已生锈、腐蚀、损坏，这是因为减速机在运停过程中，齿轮油由热变冷后产生的水分凝聚造成;当然，也和轴承质量，装配工艺方法密切相关。

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