CN104535322A - One-time lubricating service life testing method of motor rotor bearing - Google Patents
One-time lubricating service life testing method of motor rotor bearing Download PDFInfo
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- CN104535322A CN104535322A CN201410808748.4A CN201410808748A CN104535322A CN 104535322 A CN104535322 A CN 104535322A CN 201410808748 A CN201410808748 A CN 201410808748A CN 104535322 A CN104535322 A CN 104535322A
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Abstract
The invention discloses a one-time lubricating service life testing method of a motor rotor bearing. The method comprises the steps that (1) a qualified bearing which needs testing is washed and dried; (2) the bearing is processed according to an oil immersion technology; (3) after the bearing subjected to oil immersion technology processing is assembled, initial running in is carried out; (4) after running in, the bearing is arranged in a motor rotor; (5) the bearing is subjected to one-time lubricating service life testing, the operating current, the voltage and the rotating speed of the motor rotor during testing are subjected to monitoring and recording; and (6) one-time lubricating service life testing is finished, and interval time for oil supply compensating is obtained. The bearing lubricating state is analyzed, so that interval time for oil supply compensating is obtained, the concept is ingenious, and great application prospect is achieved.
Description
Technical field
The present invention relates to a kind of disposable lubricating life test method of rotor bearing, belong to rotor technical field of measurement and test.
Background technology
The feature of the oil lubrication ball bearing that rotor is used is that bearing load is little, precision is high, the life-span is long, moment of friction is little, stability is high.In normal operating conditions, affect bearing serviceable life, lubrication that the key factor of moment of friction and reliability is bearing, bearing, when vacuum seal environment, can only to rely in retainer contained lubricating oil to maintain the lubrication of bearing, keep the normal operation of rotor, belong to disposable lubrication.Rotor is under vacuum seal environment, the long-life requirement of demand fulfillment, the oil supply system adapted with it must be provided, carry out supplementary fuel feeding, the sufficient lubrication of bearing could be ensured, when carrying out fuel feeding to bearing, need to analyze bearing lubrication state, to determine the approximate time of supplementary fuel feeding, present method regularly carries out supplementary fuel feeding, do not carry out analytical approach to it, cause supplementary fuel feeding inaccurate, periodic time is uncertain, and employing experience carries out fuel feeding, more or less all can affect the serviceable life of rotor bearing.
Summary of the invention
Technical matters solved by the invention is that rotor regularly carries out supplementary fuel system in the employing of vacuum seal environment, and periodic time is uncertain, and employing experience carries out fuel feeding, more or less all can affect the problem in the serviceable life of rotor bearing.The disposable lubricating life test method of rotor bearing of the present invention, by analyzing bearing lubrication state, with the interval time of supplementary fuel feeding, being skillfully constructed, having a good application prospect.
To achieve the above object, the technical solution adopted in the present invention is as follows:
A disposable lubricating life test method for rotor bearing, is characterized in that: comprise the following steps,
Step (1), the bearing cleaning qualified needs test carries out, and dries;
Step (2), bearing processes according to immersion oil technique;
Step (3), after the bearing assemble after immersion oil technique processes, carries out initial stage running-in;
Step (4), loads rotor by the bearing dress after initial stage running-in;
Step (5), carries out disposable lubricating life test to bearing, monitors and record in process of the test to the revolution electric current of rotor, voltage and rotating speed;
Step (6), terminate the test of disposable lubricating life, make motor rotation electric current time history plot according to test figure, and make the lubricating life curve of bearing according to curve map, and life curve is analyzed, regularly carried out the interval time of supplementary fuel feeding.
The disposable lubricating life test method of aforesaid a kind of rotor bearing, is characterized in that: step (1), and cleaning adopts faintly acid solvent to clean.
The disposable lubricating life test method of aforesaid a kind of rotor bearing, is characterized in that: step (2) immersion oil technique processes, and the immersion oil time is 15min.
The disposable lubricating life test method of aforesaid a kind of rotor bearing, is characterized in that: step (3), and the time of carrying out initial stage running-in is 24 hours.
The disposable lubricating life test method of aforesaid a kind of rotor bearing, is characterized in that: step (6), when motor rotation electric current exceeds current capability index and occurs abnormal, terminates the test of disposable lubricating life.
The disposable lubricating life test method of aforesaid a kind of rotor bearing, is characterized in that: step (6) interval time is the half that motor rotation electric current exceeds the time used when current capability index also occurs abnormal.
The invention has the beneficial effects as follows: the disposable lubricating life test method of rotor bearing of the present invention, by analyzing bearing lubrication state, with the interval time of supplementary fuel feeding, being skillfully constructed, having a good application prospect.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the disposable lubricating life test method of rotor bearing of the present invention.
Embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
As shown in Fig. 1, a kind of disposable lubricating life test method of rotor bearing, comprises the following steps,
Step (1), the bearing cleaning qualified needs test carries out, and dries, and cleaning adopts faintly acid solvent to clean, and washes the oil stain on bearing;
Step (2), bearing processes according to immersion oil technique, and the immersion oil time is 15min;
Step (3), after the bearing assemble after immersion oil technique processes, carries out initial stage running-in, and the time of initial stage running-in is 24 hours, makes the qualified bearing that newly dispatches from the factory, and reaches the state of normal work;
Step (4), loads rotor by the bearing dress after initial stage running-in;
Step (5), carries out disposable lubricating life test to bearing, monitors and record in process of the test to the revolution electric current of rotor, voltage and rotating speed;
Step (6), when motor rotation electric current exceeds current capability index and occurs abnormal, terminate the test of disposable lubricating life, terminate the test of disposable lubricating life, make motor rotation electric current time history plot according to test figure, and make the lubricating life curve of bearing according to curve map, and life curve is analyzed, regularly carried out the interval time of supplementary fuel feeding, interval time is the half that motor rotation electric current exceeds the time used when current capability index also occurs abnormal.
In sum, the disposable lubricating life test method of rotor bearing of the present invention, by analyzing bearing lubrication state, with the interval time of supplementary fuel feeding, being skillfully constructed, having a good application prospect.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (6)
1. a disposable lubricating life test method for rotor bearing, is characterized in that: comprise the following steps,
Step (1), the bearing cleaning qualified needs test carries out, and dries;
Step (2), bearing processes according to immersion oil technique;
Step (3), after the bearing assemble after immersion oil technique processes, carries out initial stage running-in;
Step (4), loads rotor by the bearing dress after initial stage running-in;
Step (5), carries out disposable lubricating life test to bearing, monitors and record in process of the test to the revolution electric current of rotor, voltage and rotating speed;
Step (6), terminate the test of disposable lubricating life, make motor rotation electric current time history plot according to test figure, and make the lubricating life curve of bearing according to curve map, and life curve is analyzed, regularly carried out the interval time of supplementary fuel feeding.
2. the disposable lubricating life test method of a kind of rotor bearing according to claim 1, is characterized in that: step (1), and cleaning adopts faintly acid solvent to clean.
3. the disposable lubricating life test method of a kind of rotor bearing according to claim 1, it is characterized in that: step (2) immersion oil technique processes, the immersion oil time is 15min.
4. the disposable lubricating life test method of a kind of rotor bearing according to claim 1, is characterized in that: step (3), the time of carrying out initial stage running-in is 24 hours.
5. the disposable lubricating life test method of a kind of rotor bearing according to claim 1, is characterized in that: step (6), when motor rotation electric current exceeds current capability index and occurs abnormal, terminates the test of disposable lubricating life.
6. the disposable lubricating life test method of a kind of rotor bearing according to claim 1, is characterized in that: step (6) interval time is the half that motor rotation electric current exceeds the time used when current capability index also occurs abnormal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410808748.4A CN104535322A (en) | 2014-12-23 | 2014-12-23 | One-time lubricating service life testing method of motor rotor bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410808748.4A CN104535322A (en) | 2014-12-23 | 2014-12-23 | One-time lubricating service life testing method of motor rotor bearing |
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| Publication Number | Publication Date |
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| CN104535322A true CN104535322A (en) | 2015-04-22 |
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| CN201410808748.4A Pending CN104535322A (en) | 2014-12-23 | 2014-12-23 | One-time lubricating service life testing method of motor rotor bearing |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1659427A (en) * | 2002-05-31 | 2005-08-24 | 中国电力株式会社 | Method and apparatus for diagnosing residual life of rolling element bearing |
| JP2007003196A (en) * | 2005-06-21 | 2007-01-11 | Nsk Ltd | Lifetime testing device of rolling bearing with intermingled foreign matter |
| CN101221090A (en) * | 2007-11-30 | 2008-07-16 | 洛阳轴研科技股份有限公司 | Long-life high-precision oil supply velocity testing method for bearing |
| CN201100513Y (en) * | 2007-09-07 | 2008-08-13 | 李海峰 | Automatic circulation lubrication device for wheel hub cavity bearing |
| CN102398047A (en) * | 2011-11-27 | 2012-04-04 | 河南活顶尖机械有限公司 | Precision movable center lubricated once |
-
2014
- 2014-12-23 CN CN201410808748.4A patent/CN104535322A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1659427A (en) * | 2002-05-31 | 2005-08-24 | 中国电力株式会社 | Method and apparatus for diagnosing residual life of rolling element bearing |
| JP2007003196A (en) * | 2005-06-21 | 2007-01-11 | Nsk Ltd | Lifetime testing device of rolling bearing with intermingled foreign matter |
| CN201100513Y (en) * | 2007-09-07 | 2008-08-13 | 李海峰 | Automatic circulation lubrication device for wheel hub cavity bearing |
| CN101221090A (en) * | 2007-11-30 | 2008-07-16 | 洛阳轴研科技股份有限公司 | Long-life high-precision oil supply velocity testing method for bearing |
| CN102398047A (en) * | 2011-11-27 | 2012-04-04 | 河南活顶尖机械有限公司 | Precision movable center lubricated once |
Non-Patent Citations (1)
| Title |
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| 杨虎等: "电机转子轴承的一次性润滑寿命试验", 《轴承》 * |
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Application publication date: 20150422 |