减速机的齿轮轮齿断裂是什么原因?

2025-03-12 12:42:40
推荐回答(3个)
回答1:

减速机轴承断裂原因的特点是震动和噪音。打开减速机检查时,经常会发现减速机内互相啮合的齿轮有折断现象,齿面磨损严重,齿轮间间隙过大,有的减速机由于缺少润滑油,啮合齿之间不能产生油膜,有的轴承损坏等,从而引起减速机的振动和噪音。像这些情况可以进行简单的处理,通过减速机内加润滑油或调整齿轮之间的间隙、更换轴承及齿轮等方法排除。但有的情况下减速机的高速轴也会断裂,下面来看看高速轴断裂的几个特点:

(1)断裂面整齐,且断裂垂直于高速轴的轴线。

(2)断裂面出现在高速轴的应力集中处,如轴肩、螺纹及靠近轴承处等。

故障原因分析与探讨在正常运行情况下,减速机突然发生故障,特别是高速轴出现断裂,会使生产立刻停止,要求立刻进行处理,对故障原因采取分析、判断、排除,找到真正的原因,采取相应措施,使生产能够迅速恢复。

产生此情况的原因有如下机电:

(1)高速轴有缺陷,高速轴本身存在质量问题导致断裂。

(2)减速机在整个皮带设计中是薄弱环节,高速轴设计应力的安全系数小。也就是说高速轴在针对上面的问题,可以选择更换了一根新的减速机高速轴,并且在更换了新的高速轴后进行跟踪观察噪音较大,振动严重的问题,同时向厂家汇报。一般都可以用以下方法解决:

(1)更换一根新的减速机高速轴。

(2)更换一台大功率的电动机及相配套的偶合器。

(3)对电机底座进行加固,增加六块筋板。

回答2:

断齿这是最常见、最容易发生减速机故障就是轮齿剥落、点蚀、掉块和断齿特别是低速级的齿轮,掉块、断齿现象最为频繁。在供油油质、油量、油压、传动负荷等都正常的情况下,减速机的输出大齿轮转速最低,承受的转矩最大,受力最大,齿轮的直径和单重最大、毛坯锻造、机械加工和热处理、安装要求难度也最大,若在技术、控制、质量检验等某一道工序中把关不严,就可能会造成该齿轮在使用中发生问题。减速机发生断齿后,修复难度大、费用高、周期长,对工厂的生产影响大。 断齿的原因有很多中减速机断齿的位置一般都不对称,大多不发生在齿根部位,断口形状与一般疲劳断裂的断口形状相似,在断口上能够明显地观察到疲劳源、光滑的或贝壳状的疲劳裂纹发展区和粗糙的瞬断区。大部分属于随机断裂主要是由于缺陷或过高的有害残余应力所诱发可能是夹杂物、微细磨削裂纹或不适当的热处理引起的局部断裂。从断口形态和部位分析首要原因可能是材质夹杂、毛坯锻有问题;其次是淬火与渗碳工艺欠佳,或其它原因造成齿轮本身质量问题。

回答3:

原因:超负载工作,齿轮质量问题。

应对:更换零件,重新计算负载看选型是否正确。
-台机减速机

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