CN103016538A - Super-lubricating method of TiNi alloy for improving high-speed ball bearing - Google Patents
Super-lubricating method of TiNi alloy for improving high-speed ball bearing Download PDFInfo
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- CN103016538A CN103016538A CN201210535334XA CN201210535334A CN103016538A CN 103016538 A CN103016538 A CN 103016538A CN 201210535334X A CN201210535334X A CN 201210535334XA CN 201210535334 A CN201210535334 A CN 201210535334A CN 103016538 A CN103016538 A CN 103016538A
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Abstract
The invention provides a super-lubricating method of a TiNi alloy for improving a high-speed ball bearing. The TiNi alloy for the high-speed ball bearing is TiNi60 alloy, and the surface is clean ad no oxidized film is formed; and under friction work conditions that a load is 10-60N and the speed is 0.04-0.30 m/s, lubricating oil is castor oil. According to the super-lubricating method disclosed by the invention, green and environment-friendly castor oil is used for lubricating the TiNi alloy to reach the super-lubricating effect, so that the cost of the lubricating oil can be reduced and the operability of engineering application is increased; and the super-lubricating method is safe and reliable, and improves the lubricating performance to reach to the super-lubricating effect, so that the TiNi60 alloy has an ultralow friction coefficient (10-3 magnitude grade) and has no abrasion (the abrasion cannot be predicated) under the oil lubrication.
Description
Technical field
The invention belongs to mechanical engineering, material lubrication technical field, particularly a kind of high-speed ball bearing that improves can be applicable to improve greasy property and the lubricating method thereof that high-speed ball bearing is used the TiNi alloy with the super lubricating method of TiNi alloy.
Technical background
Ti-Ni alloy is a kind of have excellent wear, corrosion proof marmem.TiNi60 is that a kind of Ti, Ni atomic ratio are the Ti-Ni alloy of 40:60, it has eliminated the shape memory effect that waits atomic ratio TiNi alloy, but the high strength that has kept Ti-Ni alloy, have simultaneously low density and good tribological property, before heat treatment, be easy to processing, being expected to be applied in high-speed ball bearing, is the novel high-performance bearing material with broad prospect of application.Utilize little these characteristics of TiNi60 density, can greatly improve the high speed performance of bearing, realize lightweight and the speed up of bearing, so that bearing can suppress increase and skid (slip that gyrostatic moment causes and the revolving sliding) of the rolling element load that causes because of centrifugal action when High Rotation Speed.The TiNi60 alloy is a kind of high-abrasive material of novel excellent performance, but the TiNi alloy material is under DRY SLIDING, the friction factor of TiNi alloy is very large and unstable, and under general lubricant oil condition, how therefore its friction factor, improve the greasy property of TiNi60 alloy also more than 0.1, improve its wear-resisting property, have important practical significance.Along with the development of modern science and technology, the practical ranges of TiNi60 alloy enlarges constantly, and requires it to have than the higher velocity limit of steel and even silicon nitride material and good friction and wear behavior.Self-evident, satisfy so high requirement, just must relate to oil lubrication and select proper lubrication oil so that the TiNi60 alloy obtains good greasy property, yet, but also do not see up to now the research of domestic relevant this respect and report.
Summary of the invention
In order to overcome the defective of above-mentioned prior art, the object of the present invention is to provide a kind of high-speed ball bearing that improves with the super lubricating method of TiNi alloy, select proper lubrication oil, improve the greasy property of TiNi60 alloy.
For achieving the above object the technical solution used in the present invention:
A kind of super lubricating method that improves high-speed ball bearing usefulness TiNi alloy, high-speed ball bearing is the TiNi60 alloy with the TiNi alloy, and the clean and No oxided film of surface clean is at load 10～60N, under the friction duty condition of speed 0.04～0.30m/s, used lubricant oil is castor oil.
Advantage of the present invention is: the present invention chooses the environmental type castor oil to lubricate the TiNi alloy and reach super lubrication effect, can reduce the lubricant oil cost, increase the operability that engineering is used, safe and reliable, improve greasy property and reach super lubrication effect, make the TiNi60 alloy be issued to ultralow friction coefficient (10 in oil lubrication
-3Magnitude) and without wearing and tearing (wearing and tearing can not be surveyed).
Description of drawings
The friction coefficient sliding time variation relation plotted curve when Fig. 1 is the dry friction of TiNi60 alloy.
The SEM photo of wear surface when Fig. 2 is the dry friction of TiNi60 alloy.
Fig. 3 the friction coefficient sliding time variation relation plotted curve that is TiNi60 under No. 20 oil lubricatings.
The SEM photo of Fig. 4 wear surface that is TiNi60 under No. 20 oil lubricatings.
Fig. 5 is TiNi60 the friction coefficient sliding time variation relation plotted curve under castor oil lubricating.
Fig. 6 is that TiNi60 is at the lubricated lower the friction coefficient sliding time variation relation plotted curve of turbine oil.
Fig. 7 is that TiNi60 is at the lubricated lower the friction coefficient sliding time variation relation plotted curve of rapeseed oil.
Fig. 8 is that TiNi60 is at the lubricated lower the friction coefficient sliding time variation relation plotted curve of paraffin oil.
Embodiment
Below in conjunction with drawings and Examples invention is further described.
Embodiment one:
A kind of high-speed ball bearing that improves is with the super lubricating method of TiNi alloy, and high-speed ball bearing is TiNi60 with the TiNi alloy, surface clean totally and No oxided film, at load 10～60N, under the working condition of speed 0.04～0.30m/s, used lubricant oil is castor oil.
As seen from Figure 5, under castor oil lubricating, the average friction coefficient of TiNi60 alloy is 0.004, and friction factor keeps stable feature after showing and reducing rapidly first, and test rear disk surface does not have polishing scratch.Formed lubricating film between this explanation friction pair, two surfaces are not contact fully.
Comparative Examples one
A kind of high-speed ball bearing is with the super lubricating method of TiNi alloy, and high-speed ball bearing is TiNi60 with the TiNi alloy, surface clean totally and No oxided film, at load 10～60N, under the working condition of speed 0.04～0.30m/s, used lubricant oil is No. 20 machine oil.
As seen from Figure 3, the friction factor of TiNi60 alloy reduces at first rapidly, and of short duration is stabilized in about 0.07, has subsequently gradually rising and short time to remain on about 0.16, is reduced to about 0.10 at last, and keeps stable.
As seen from Figure 4, the wear surface of TiNi60 has a large amount of very thin protrusions in irregular shape, and slight ditch dug with a plow is arranged.
Comparative Examples two
A kind of high-speed ball bearing is with the super lubricating method of TiNi alloy, and high-speed ball bearing is TiNi60 with the TiNi alloy, surface clean totally and No oxided film, at load 10～60N, under the working condition of speed 0.04～0.30m/s, used lubricant oil is turbine oil.
By finding out among Fig. 6, during the lubricated TiNi60 of turbine oil, be elevated to about 0.17 after the of short duration reduction of friction factor and keep stable, but fluctuation is very large.
Comparative Examples three
A kind of high-speed ball bearing is with the superslide lubricating method of TiNi alloy, and high-speed bearing is TiNi60 with the TiNi alloy, surface clean totally and No oxided film, at load 10～60N, under the working condition of speed 0.04～0.30m/s, used lubricant oil is rapeseed oil.
By finding out among Fig. 7, the oiliness of rapeseed oil is good, easily generates oil film at surface of friction pair, so the TiNi alloy is had preferably lubrication effect.
Comparative Examples four
A kind of high-speed ball bearing is with the superslide lubricating method of TiNi alloy, and high-speed bearing is TiNi60 with the TiNi alloy, surface clean totally and No oxided film, at load 10～60N, under the working condition of speed 0.04～0.30m/s, used lubricant oil is paraffin oil.
By finding out among Fig. 8, the paraffin oil viscosity is minimum, and the TiNi60 alloy is lubricated lower at paraffin oil, and its friction factor fluctuation is also less, and average friction coefficient is 0.04.
In sum, castor oil has best lubrication effect to the TiNi60 alloy, this is owing to castor-oil plant oil viscosity in four kinds of oil is maximum, oiliness is good, ingredient also makes it easily become lubricant film friction surface is capable, the loading capacity of oil film that forms is also the highest, therefore show best lubrication effect.Castor oil can make the stable friction factor of TiNi alloy and remain on extremely low level, and whole lubrication effect is better than other lubricant oil, and therefore, castor oil can be used as the green lubrication agent that improves TiNi alloy lubricating situation.The castor-oil plant main body of oil is 12-hydroxy oleate glyceride, Duos one-OH group than general vegetable oil, and is therefore high than general vegetable oil to the adsorption activity of metal, so greasy property is relatively good.Again because its viscosity is very high, so the bearing capacity of formed lubricant film is also relatively high.The lubricant film that is formed by castor oil can reduce sticking effect and ditch dug with a plow effect, shown in Fig. 1,2 and 5, especially effect is remarkable in slight or medium load situation, this is because the viscosity index of castor oil is very low, its viscosity is very fast with the temperature rise decline of friction surface, and reduced viscosity will cause greasy property to descend.
Claims (1)
1. one kind is improved high-speed ball bearing with the super lubricating method of TiNi alloy, it is characterized in that, high-speed ball bearing is the TiNi60 alloy with the TiNi alloy, clean and the No oxided film of surface clean, at load 10～60N, under the friction duty condition of speed 0.04～0.30m/s, used lubricant oil is castor oil.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210535334.XA CN103016538B (en) | 2012-12-12 | 2012-12-12 | A kind of super lubricating method improving high-speed ball bearing TiNi alloy |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210535334.XA CN103016538B (en) | 2012-12-12 | 2012-12-12 | A kind of super lubricating method improving high-speed ball bearing TiNi alloy |
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| CN103016538A true CN103016538A (en) | 2013-04-03 |
| CN103016538B CN103016538B (en) | 2015-11-25 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1389550A (en) * | 2002-07-25 | 2003-01-08 | 马敬东 | Lubricant oil composition |
| JP2004052070A (en) * | 2002-07-23 | 2004-02-19 | Daido Steel Co Ltd | Hard film-coated steel and method of producing the same |
| US6886986B1 (en) * | 1999-08-19 | 2005-05-03 | Nitinol Technologies, Inc. | Nitinol ball bearing element and process for making |
| CN101987997A (en) * | 2009-07-31 | 2011-03-23 | 孙世桦 | Extreme-pressure additive for lubricating grease |
| CN102066536A (en) * | 2008-06-13 | 2011-05-18 | 慕尼黑克吕伯尔润滑器两合公司 | Lubricant composition based on natural and renewable raw materials |
-
2012
- 2012-12-12 CN CN201210535334.XA patent/CN103016538B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6886986B1 (en) * | 1999-08-19 | 2005-05-03 | Nitinol Technologies, Inc. | Nitinol ball bearing element and process for making |
| JP2004052070A (en) * | 2002-07-23 | 2004-02-19 | Daido Steel Co Ltd | Hard film-coated steel and method of producing the same |
| CN1389550A (en) * | 2002-07-25 | 2003-01-08 | 马敬东 | Lubricant oil composition |
| CN102066536A (en) * | 2008-06-13 | 2011-05-18 | 慕尼黑克吕伯尔润滑器两合公司 | Lubricant composition based on natural and renewable raw materials |
| CN101987997A (en) * | 2009-07-31 | 2011-03-23 | 孙世桦 | Extreme-pressure additive for lubricating grease |
Non-Patent Citations (1)
| Title |
|---|
| 曾群锋: "高速滚动轴承用TiNi60合金的润滑性能及油气润滑两相流流型的数值计算", 《中国有色金属学报（英文版）》, vol. 22, no. 10, 31 October 2012 (2012-10-31), pages 2431 - 2437 * |
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| CN103016538B (en) | 2015-11-25 |
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Granted publication date: 20151125 Termination date: 20181212 |