CN105965208A - Roller bearing production technology and roller bearing anti-fatigue method - Google Patents
Roller bearing production technology and roller bearing anti-fatigue method Download PDFInfo
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- CN105965208A CN105965208A CN201610375706.5A CN201610375706A CN105965208A CN 105965208 A CN105965208 A CN 105965208A CN 201610375706 A CN201610375706 A CN 201610375706A CN 105965208 A CN105965208 A CN 105965208A
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- Prior art keywords
- roller bearing
- bearing
- roller
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- finished product
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/003—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass bearings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a roller bearing production technology and a roller bearing anti-fatigue method. The roller bearing production technology is provided, through normalizing in the heat treatment process and control over the heat insulation time and the temperature, deformation of a metal part can be relieved, and the production cost is reduced; and meanwhile, a rolling body is filled with teflon, the bending stress of the inner wall of a roller bearing is reduced, the capability of resisting bending fatigue damage of the roller bearing is improved, the produced bearing can have the beneficial effect of being high in fatigue resisting strength, the dynamic performance of the whole bearing is improved, and the comprehensive quality of the bearing is improved.
Description
Technical field
The present invention relates to roller bearing technical field, be specifically related to a kind of roller bearing production technology
And resisting fatigue method.
Background technology
Bearing is the vitals in plant equipment, and cylinder roller bearing is in application in machine equipments
Extensively.The rolling element of traditional roller bearing is generally solid cylinder rolling element, and contact fatigue is broken
The bad principal mode being roller bearing and losing efficacy.Owing to solid cylinder rolling element approximates rigid body, outer load
Under effect, rolling element contacts proximal line contact with bearing internal external circle, and contact area is little, and contact should
Power is big.The size of contact stress is to cause the direct factor of contact fatigue failure.In order to overcome reality
The deficiency of heart roller bearing, engineering circles proposes the design philosophy of hollow roller bearing.Hollow roller
Bearing is exactly the portion of material removing solid rolling element center, and rolling element is made hollow shape.Profit
Increase the contact area of rolling element and bearing internal external circle by the elastic deformation of Hollow Roller, subtract
Little contact stress, improves the contact fatigue strength of bearing.Although the structure of hollow roller bearing makes
Rolling element increases with the contact area of bearing internal external circle, and the contact fatigue strength of bearing improves, but
Under the effect of alternate load, Hollow Roller inwall bears the bending stress of alternation, bearing
Failure mode is mainly flexural fatigue and destroys.
Summary of the invention
It is desirable to provide a kind of roller bearing production technology and resisting fatigue method thereof.
The present invention provides following technical scheme:
A kind of roller bearing production technology and resisting fatigue method thereof, comprise the following steps:
(1) steel pipe is put in degreaser carry out impregnate defat, the temperature of described defat is
42-50 DEG C, the time of described dipping defat is 10-15min, then by metal clean for defat
Part carries out pickling processes；
(2) carry out cutting into regulation as desired by guillotine by the steel pipe after pickling
Size；
(3) it is clean that the steel pipe after cutting utilizes polissoir to be removed by the burrs on edges of steel pipe,
Carry out normalizing again, be incubated and cooling process, form semi-finished product roller bearing, semi-finished product will be obtained
Roller bearing carries out shaping by shaping mould；
(4) two end faces are carried out down by the semi-finished product roller bearing after shaping by grinder
Angle processes, and is removed the burr within semi-finished product roller bearing by buffing machine；
(5) the semi-finished product roller bearing of face machined flat is holed by drilling machine, then will
Semi-finished product bearing grinder after boring grinds to form raceway groove, by the semi-finished product axle after grinding raceway groove
Hold, by grinder, entirety is carried out smooth grinding process, form roller bearing；
(6) roller bearing is tested according to bearing standard obtain qualified bearing products；
(7) elastic composite roller conduct is installed between qualified roller bearing outer ring and inner ring
Rolling member；Described elastic composite roller be a kind of outer layer be ring-type roller sleeve, centre is
The steel elasto-plasticity of politef elastomer is combined roller, and politef elastomer is setting-in
Central hollow position at ring-type roller sleeve.
In described step (3), the temperature of normalizing is 840-960 DEG C, and the time of described normalizing is
10-20min, the temperature of described insulation is 680-720 DEG C, and the time of described insulation is
30-40min。
To roller bearing anticorrosion with painting coating after in described step (4), smooth grinding processes, then
Bearing internal external surface carries out sandblasting roughening treatment.
By precompressed contractive pressure after in described step (7), politef elastomer is global formation
Enter in annular cylindrical roller sleeve.
Compared with prior art, the invention has the beneficial effects as follows: the Roller Shaft that the invention provides
Hold production technology by heat treatment process normalizing and temperature retention time and the control of temperature, it is possible to reduce
The deformation of metalwork, reduces production cost, and filling politef in rolling element, subtracts simultaneously
The bending stress of small roller bearing inner wall, improves the ability of the counter-bending fatigue rupture of roller bearing,
The bearing produced can be made to have the advantage that fatigue resistance is high, improve the dynamic of whole bearing
State property energy, improves the integrated quality of bearing.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the present invention,
Rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under not making creative work premise, broadly falls into this
The scope of bright protection.
A kind of roller bearing production technology and resisting fatigue method thereof, comprise the following steps:
(1) steel pipe is put in degreaser carry out impregnate defat, the temperature of described defat is
42-50 DEG C, the time of described dipping defat is 10-15min, then by metal clean for defat
Part carries out pickling processes；
(2) carry out cutting into regulation as desired by guillotine by the steel pipe after pickling
Size；
(3) it is clean that the steel pipe after cutting utilizes polissoir to be removed by the burrs on edges of steel pipe,
Carry out normalizing again, be incubated and cooling process, form semi-finished product roller bearing, semi-finished product will be obtained
Roller bearing carries out shaping by shaping mould；
(4) two end faces are carried out down by the semi-finished product roller bearing after shaping by grinder
Angle processes, and is removed the burr within semi-finished product roller bearing by buffing machine；
(5) the semi-finished product roller bearing of face machined flat is holed by drilling machine, then will
Semi-finished product bearing grinder after boring grinds to form raceway groove, by the semi-finished product axle after grinding raceway groove
Hold, by grinder, entirety is carried out smooth grinding process, form roller bearing；
(6) roller bearing is tested according to bearing standard obtain qualified bearing products；
(7) elastic composite roller conduct is installed between qualified roller bearing outer ring and inner ring
Rolling member；Described elastic composite roller be a kind of outer layer be ring-type roller sleeve, centre is
The steel elasto-plasticity of politef elastomer is combined roller, and politef elastomer is setting-in
Central hollow position at ring-type roller sleeve.
In described step (3), the temperature of normalizing is 840-960 DEG C, and the time of described normalizing is
10-20min, the temperature of described insulation is 680-720 DEG C, and the time of described insulation is
30-40min。
To roller bearing anticorrosion with painting coating after in described step (4), smooth grinding processes, then
Bearing internal external surface carries out sandblasting roughening treatment.
In described step (7), politef elastomer is pressed into by precommpression after being global formation
In annular cylindrical roller sleeve.
It is obvious to a person skilled in the art that the invention is not restricted to described one exemplary embodiment
Details, and without departing from the spirit or essential characteristics of the present invention, it is possible to it
His concrete form realizes the present invention.Therefore, no matter from the point of view of which point, all should be by embodiment
Regarding exemplary as, and be nonrestrictive, the scope of the present invention is by claims
Rather than described explanation limit, it is intended that by fall claim equivalency implication and
In the range of all changes include in the present invention.Although moreover, it will be appreciated that this specification
It is been described by according to embodiment, but the most each embodiment only comprises an independent technology
Scheme, this narrating mode of description is only for clarity sake, and those skilled in the art should
When using description as an entirety, the technical scheme in each embodiment can also be through suitable group
Close, form other embodiments that it will be appreciated by those skilled in the art that.
Claims (4)
1. a roller bearing production technology and resisting fatigue method thereof, it is characterised in that comprise the following steps:
(1) steel pipe is put in degreaser carry out impregnate defat, the temperature of described defat is 42-50 DEG C, and the time of described dipping defat is 10-15min, then metalwork clean for defat is carried out pickling processes；
(2) steel pipe after pickling carries out cutting into the size of regulation as desired by guillotine；
(3) it is clean that the steel pipe after cutting utilizes polissoir to be removed by the burrs on edges of steel pipe, then carry out normalizing, be incubated and cooling process, forms semi-finished product roller bearing, will obtain semi-finished product roller bearing and carry out shaping by shaping mould；
(4) two end faces are carried out chamfer machining by grinder by the semi-finished product roller bearing after shaping, and by buffing machine, the burr within semi-finished product roller bearing is removed；
(5) the semi-finished product roller bearing of face machined flat is holed by drilling machine, then the semi-finished product bearing grinder after boring is ground to form raceway groove, semi-finished product bearing after grinding raceway groove carries out smooth grinding process by grinder to entirety, forms roller bearing；
(6) roller bearing is tested according to bearing standard obtain qualified bearing products；
(7) elastic composite roller is installed between qualified roller bearing outer ring and inner ring as rolling member；Described elastic composite roller be a kind of outer layer be ring-type roller sleeve, the middle steel elasto-plasticity for politef elastomer is combined roller, and politef elastomer is the central hollow position being inlaid in ring-type roller sleeve.
A kind of roller bearing production technology the most according to claim 1 and resisting fatigue method thereof, it is characterized in that: in described step (3), the temperature of normalizing is 840-960 DEG C, the time of described normalizing is 10-20min, the temperature of described insulation is 680-720 DEG C, and the time of described insulation is 30-40min.
A kind of roller bearing production technology the most according to claim 1 and resisting fatigue method thereof, it is characterised in that: to roller bearing anticorrosion with painting coating after smooth grinding processes in described step (4), then carry out sandblasting roughening treatment on bearing internal external surface.
A kind of roller bearing production technology the most according to claim 1 and resisting fatigue method thereof, it is characterised in that: in described step (7), politef elastomer is pressed in annular cylindrical roller sleeve by precommpression after being global formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610375706.5A CN105965208A (en) | 2016-05-31 | 2016-05-31 | Roller bearing production technology and roller bearing anti-fatigue method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610375706.5A CN105965208A (en) | 2016-05-31 | 2016-05-31 | Roller bearing production technology and roller bearing anti-fatigue method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105965208A true CN105965208A (en) | 2016-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610375706.5A Pending CN105965208A (en) | 2016-05-31 | 2016-05-31 | Roller bearing production technology and roller bearing anti-fatigue method |
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| CN (1) | CN105965208A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109719463A (en) * | 2018-12-11 | 2019-05-07 | 衢州学院 | A kind of screw rotor bearing of journals outer ring processing technology |
| CN110293375A (en) * | 2019-07-02 | 2019-10-01 | 浙江百润轴承有限公司 | A kind of production technology of thin-wall bearing |
| CN111015123A (en) * | 2019-12-28 | 2020-04-17 | 中国航发哈尔滨轴承有限公司 | Method for prolonging fatigue life of cylindrical roller |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000094226A (en) * | 1998-09-21 | 2000-04-04 | Nsk Ltd | Manufacture equipment for rolling bearing |
| CN102128202A (en) * | 2011-03-15 | 2011-07-20 | 姚齐水 | Method for improving fatigue resistance of cylindrical roller bearing and elastic composite cylindrical roller bearing |
| CN103921073A (en) * | 2014-04-25 | 2014-07-16 | 江西新裕隆汽车零部件有限公司 | Hub bearing machining technology |
| CN104690492A (en) * | 2013-12-04 | 2015-06-10 | 张祥 | A novel bearing machining process |
| CN105458622A (en) * | 2015-11-29 | 2016-04-06 | 郑臣钏 | Manufacturing technique for bearing |
| CN105499938A (en) * | 2016-02-01 | 2016-04-20 | 余晓娜 | Sliding bearing machining process |
-
2016
- 2016-05-31 CN CN201610375706.5A patent/CN105965208A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000094226A (en) * | 1998-09-21 | 2000-04-04 | Nsk Ltd | Manufacture equipment for rolling bearing |
| CN102128202A (en) * | 2011-03-15 | 2011-07-20 | 姚齐水 | Method for improving fatigue resistance of cylindrical roller bearing and elastic composite cylindrical roller bearing |
| CN104690492A (en) * | 2013-12-04 | 2015-06-10 | 张祥 | A novel bearing machining process |
| CN103921073A (en) * | 2014-04-25 | 2014-07-16 | 江西新裕隆汽车零部件有限公司 | Hub bearing machining technology |
| CN105458622A (en) * | 2015-11-29 | 2016-04-06 | 郑臣钏 | Manufacturing technique for bearing |
| CN105499938A (en) * | 2016-02-01 | 2016-04-20 | 余晓娜 | Sliding bearing machining process |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109719463A (en) * | 2018-12-11 | 2019-05-07 | 衢州学院 | A kind of screw rotor bearing of journals outer ring processing technology |
| CN109719463B (en) * | 2018-12-11 | 2019-11-29 | 衢州学院 | A kind of screw rotor bearing of journals outer ring processing technology |
| CN110293375A (en) * | 2019-07-02 | 2019-10-01 | 浙江百润轴承有限公司 | A kind of production technology of thin-wall bearing |
| CN111015123A (en) * | 2019-12-28 | 2020-04-17 | 中国航发哈尔滨轴承有限公司 | Method for prolonging fatigue life of cylindrical roller |
| CN111015123B (en) * | 2019-12-28 | 2021-07-23 | 中国航发哈尔滨轴承有限公司 | Method for prolonging fatigue life of cylindrical roller |
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Application publication date: 20160928 |