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挤出机上的齿轮减速箱怎样维护保养及维修

2024-11-15

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(1)齿轮减速箱的维护保养

①齿轮减速箱部位要通风良好,工作环境温度应在5-35℃范围内。 

②经常检查箱内齿轮润滑油的油量,保证箱内各传动零件有良好的润滑。 

③注意经常检查箱体各轴承部位,工作时温度变化不应超过45℃。 

④新投入使用的齿轮减速箱工作500h后要清洗箱内油污,并重新更换润滑油。 

⑤齿轮减速箱每年要进行一次定期维护保养检査,工作内容如下: 

a.拆开齿轮减速箱盖,检查各传动减速齿轮工作面的磨损及啮合情况,如果出现有啮合面部位有毛刺或浅麻坑,可用油石修磨光滑;磨损较严重的齿轮应进行测绘,准备制造配件,以供下次维护时更换。 

b.检查各轴承磨损情况。先把轴承清洗干净,检查内外套是否有裂纹;观察空运转噪声大小及径向间隙大小,如没发现什么问题.可加些润滑脂、继续使用。 

c.检査箱内润滑油是否清洗,如油中混有杂质或金属粉末较多,要对润滑油进行过滤除杂工作,然后再补足润滑油量。 

d. 箱内零件清洗检査后,安装上箱盖;各轴承部位加足润滑脂后换新油封,紧固轴承盖。 

e. 清洗减速箱体外部,保持设备清洁。 

 (2)减速箱内零件更换原则 

① 如果齿轮的渐开线啮合齿面出现较深的磨损深坑,工作转动时噪声较大而且不规律,时常有冲击振动现象,这种齿轮应该更换。 

② 滚珠轴承的内套或外套有裂纹;滚珠架损坏;内外套的径向间隙较大;转动外套时轴承转动噪声较大等。滚动轴承清洗后,如果发现有上述损坏现象中的一项,滚动轴承就应该更换。 

(3)齿轮、轴承更换安装注意事项 

①齿轮、轴承在安装前要清洗干净,修整去掉毛刺。 

②检测更换齿轮孔与装配轴和键及键槽尺寸,应达到图纸规定的配合公差要求;更换的滚动轴承应与原轴承型号相同。 

③齿轮孔与轴配合,应采用H7/k6或H7/r6配合。 

④滚动轴承外套与箱体采用k7/n6配合,孔与轴采用H7/m6或H7/k6配合。

来源:苏州微注塑信息科技有限公司

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