CN86107993A - 一种改善表面润湿性的工艺方法 - Google Patents

一种改善表面润湿性的工艺方法 Download PDF

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CN86107993A
CN86107993A CN86107993.0A CN86107993A CN86107993A CN 86107993 A CN86107993 A CN 86107993A CN 86107993 A CN86107993 A CN 86107993A CN 86107993 A CN86107993 A CN 86107993A
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CN1003456B (zh
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刘承烈
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Changchun Institute Of Optics fine Mechanicsand Physics chinese Academy Of Sciences
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Changchun Institute Of Optics fine Mechanicsand Physics chinese Academy Of Sciences
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Abstract

本发明是关于改善金属零部件表面润湿性的一种工艺方法,系采用磷酸三甲酚酯溶液浸泡被处理件,并放入烘箱中加温处理,具有处理时间短、成本低、工艺简单、润湿性能好等特点。本发明不仅可提高金属零部件的表面能,改善润湿性,而且还有助于提高运动零部件的使用寿命。本发明可用于改善轴承、精密导轨等运动表面的润湿性。

Description

本发明是关于改善金属零部件表面润湿性能的一种工艺方法。
对作相对运动表面进行润滑是减少摩擦磨损的一种重要手段。目前,为提高润滑效果,常常采用在润滑油中添加少量的添加剂的方法,用以改善润滑剂的性能。实践证明,实现良好的润滑效果,不仅与使用的润滑剂的性能有关,而且还与被润滑的固体表面的表面润湿性有着直接的关系。这里引用润湿角的概含,用以评价表面润湿性的优劣。润湿角是指液体与固体的界面与液体表面切线之间的夹角。润湿角越小,固体表面润湿性能越好。美国麻省理工学院仪表研究室的研究指出,把滚珠轴承的金属零件放在磷酸三甲酚酯溶液中进行处理,可使滚珠轴承在Teresso N78或Kendall KG80油润滑下的运转寿命提高几个数量级,而摩擦力减半。(NASA 1970 N70-39773《Intermediote accuracy integrating gyroscopesdesign criteria monograph》)。
按上述工艺方法对Cr15进行处理四个月,其表面润湿性的改善效果并不明显。
本发明的目的是寻找一种操作简单、易于实现、处理周期短、表面润湿效果更佳的工艺方法。
本发明是采用磷酸三甲酚酯溶液处理金属表面,改善润湿性能。是将被处理件清洗干净后,浸泡在磷酸三甲酚酯溶液中,放入烘箱中加温处理,温度可在80℃~120℃,处理时间可在250小时~350小时内选定。其最佳加温温度为100℃,最佳处理时间为300小时。
本发明采用的磷酸三甲酚酯溶液的浓度为90%~100%。
经加温处理后的处理件在烘箱中应自然冷却至室温后再取出。
利用本发明处理的金属零部件不仅表面润湿性有大大改善,而且其表面光洁度、尺寸精度、形状等都不受任何影响,仍保持处理前的状态,
使用本发明处理的轴承在300转/分时即可形成有效的润滑膜,而未经处理的轴承则要在500转/分时才能形成有效润滑膜。Cr15钢处理前的润湿角为25°,使用94%的磷酸三甲酚酯溶液浸泡,加温至80℃,处理时间为260小时,其润湿角降低到17°;使用100%的磷酸三甲酚酯溶液浸泡,加温至100℃,处理时间为260小时,其润湿角降低到15°。

Claims (5)

1、一种用于改善表面润湿性的工艺方法,采用磷酸三甲酚酯溶液浸泡被处理件,其特征在于放入烘箱中加热处理,温度选用80℃~120℃,处理时间选用250小时~350小时。
2、按权利要求1所述的工艺方法,其特征在于加温温度最佳为100℃,处理时间最佳为300小时。
3、按权利要求1或2所述的工艺方法,其特征在于磷酸三甲酚酯溶液的浓度为90%~100%。
4、按权利要求1或2所述的工艺方法,其特征在于经加温处理后的处理件在烘箱中自然冷却至室温后取出。
5、按权利要求3所述的工艺方法,其特征在于经加温处理后的处理件在烘箱中自然冷却至室温后取出。
CN86107993.0A 1986-11-28 1986-11-28 一种改善钢铁零部件表面润湿性的工艺方法 Expired CN1003456B (zh)

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CN86107993.0A CN1003456B (zh) 1986-11-28 1986-11-28 一种改善钢铁零部件表面润湿性的工艺方法

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111945140A (zh) * 2020-07-02 2020-11-17 西安工程大学 一种接触式密封表面的磷化方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111945140A (zh) * 2020-07-02 2020-11-17 西安工程大学 一种接触式密封表面的磷化方法
CN111945140B (zh) * 2020-07-02 2023-02-03 西安工程大学 一种接触式密封表面的磷化方法

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