CN102705370A - Design mounting method for assembled angular contact ball bearing with outer ring having double rolling passages - Google Patents
Design mounting method for assembled angular contact ball bearing with outer ring having double rolling passages Download PDFInfo
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- CN102705370A CN102705370A CN2012100174042A CN201210017404A CN102705370A CN 102705370 A CN102705370 A CN 102705370A CN 2012100174042 A CN2012100174042 A CN 2012100174042A CN 201210017404 A CN201210017404 A CN 201210017404A CN 102705370 A CN102705370 A CN 102705370A
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- outer ring
- raceway
- angular contact
- contact ball
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Abstract
Disclosed is a design mounting method for an assembled angular contact ball bearing with outer ring having double rolling passages. Two outer rings and outer ring spacers of a traditional back-to-back assembled angular contact ball bearing are integrated to be designed as an integral outer ring (7), the double rolling passages are designed on two sides of an inside end face of the integral outer ring, inner rings (2) are configured on the double rolling passages respectively, three quarters of arc rolling passages of inner rings and three quarters of an arc rolling passage of the integral outer ring are arranged in contact angles of rolling balls in an opposite-angle manner mutually, the rolling balls (4) are configured in cages (3) and roll in a semi-arc rolling passage formed by arranged in the opposite-angle manner, and accordingly abrading quantity of axial length of inner ring spacers (5) arranged between the two inner rings is calculated. The end face parallel difference of the two outer rings and the outer ring spacers and error due to the flatness can be eliminated basically by the integral outer ring, integral rigidity of the assembled angular contact ball bearing is improved, axial length of abrading the outer ring spacers is avoided, and pre-load repairing process of the assembled angular contact ball bearing is simplified.
Description
Technical field
The invention belongs to technical field of bearings, especially a kind of outer ring has the Capacity of Matched Angular Contact Ball Bearings design and installation method of two raceways.
Background technique
Angular contact ball bearing is made up of outer ring, inner ring, retainer and spin; Wherein the internal diameter end face of the outer ring external diameter end face that is provided with angled straight lines raceway+3/4 arc raceway, inner ring is provided with angled straight lines raceway+3/4 arc raceway; No matter be outer ring or inner ring; Its angled straight lines raceway and the transition of 3/4 arc raceway nature connect; The radius of curvature of 3/4 arc raceway and the radius of spin are complementary, and 3/4 arc raceway of outer ring is corresponding with 3/4 arc raceway mutual diagonal angle in the spin wrapping angle of inner ring during installation, can form certain axial pre tightening force to spin through its two 3/4 corresponding each other arc raceway.
The generally not single cover of angular contact ball bearing uses, and just can install and use and want two covers or many covers to carry out assembly.
Fig. 1 is the structural representation that angular contact ball bearing that two nested structure sizes equate fully carries out assembly and back-to-back installation, and so-called back-to-back installation is meant: two outer rings 1 have between the side end face of 3/4 arc raceway through outer ring spacer 6 implements to implement pretensions through cone spacer 5 between the end face that pretensions, two inner rings 2 have the angled straight lines raceway.Since the axial length of the axial length of outer ring spacer 6 and cone spacer 5 need grind could determine between the Capacity of Matched Angular Contact Ball Bearings the axial pre tightening force of each self-forming big or small; And the size of axial pre tightening force is determining the running accuracy of Capacity of Matched Angular Contact Ball Bearings; Also determining the integral rigidity of Capacity of Matched Angular Contact Ball Bearings; Suitable axial pre tightening force can reduce the vibration and the noise of Capacity of Matched Angular Contact Ball Bearings; The spin of control spin 4 is slided, and sets up lubricating nozzle space or lubricating grease clear space, the heat that effectively distributes Capacity of Matched Angular Contact Ball Bearings and produced.Popular says, could confirm the axial pre tightening force of two Capacity of Matched Angular Contact Ball Bearings through the grinding of cone spacer 5 and outer ring spacer 6 axial lengths.
Implement pretensions, two inner rings 2 through outer ring spacer 6 and have between the side end face of 3/4 arc raceway and implement pretensions if two outer rings 1 are had between the end face of angled straight lines raceway through cone spacer 5; Then above-mentioned installation situation is customized for the face-to-face installation of Capacity of Matched Angular Contact Ball Bearings, this paper mainly discusses the back-to-back installation situation of Capacity of Matched Angular Contact Ball Bearings.
Can find out through above-mentioned analysis: because the angular contact ball bearing in the Capacity of Matched Angular Contact Ball Bearings is respectively independently; Therefore need adjust respectively or grind and to realize the axial pre tightening force between the Capacity of Matched Angular Contact Ball Bearings through cone spacer 5 and outer ring spacer 6; And adjustment or the mode more complicated of grinding and loaded down with trivial details; Therefore the needed time length, inefficiency, also to make correspondence markings, especially the Capacity of Matched Angular Contact Ball Bearings as far as batch is more complicated and loaded down with trivial details.
With the unite two into one structural type of forming integral outer ring and grind cone spacer and the Capacity of Matched Angular Contact Ball Bearings that constitutes is not also seen relevant report of above-mentioned two outer rings and outer ring spacer.
Summary of the invention
In order to address the above problem; The invention provides the Capacity of Matched Angular Contact Ball Bearings design and installation method that a kind of outer ring has two raceways; This Capacity of Matched Angular Contact Ball Bearings design and installation method is that two traditional outer rings and outer ring spacer are closed three is one to form and have certain width and be designed with two raceways at the internal diameter two ends of outer ring; Two identical inner rings of difference configuration structure on two raceways; Two inner rings are realized the axial pre tightening force of this Capacity of Matched Angular Contact Ball Bearings that is to say that the size of this Capacity of Matched Angular Contact Ball Bearings axial pre tightening force only can realize through the grinding of cone spacer axial length through being provided with of cone spacer, have saved the time of axial pre tightening force adjustment greatly; The efficient and the grinding precision of axial pre tightening force adjustment have been improved; Especially the outer ring that has two raceways has been improved the rigidity of this Capacity of Matched Angular Contact Ball Bearings on the whole, thereby improves the running accuracy of this Capacity of Matched Angular Contact Ball Bearings, has reduced the vibration and the noise of this Capacity of Matched Angular Contact Ball Bearings.
For realizing the foregoing invention purpose, the present invention adopts following technological scheme:
A kind of outer ring has the Capacity of Matched Angular Contact Ball Bearings design and installation method of two raceways; Wherein single cover angular contact ball bearing comprises outer ring, inner ring, retainer and spin; The external diameter end face that the internal diameter end face of outer ring is provided with angled straight lines raceway+3/4 arc raceway, inner ring is provided with angled straight lines raceway+3/4 arc raceway; No matter be outer ring or inner ring; The all natural transition of its angled straight lines raceway and 3/4 arc raceway connects, and the radius of curvature of 3/4 arc raceway and the radius of spin are complementary, and 3/4 arc raceway of outer ring is corresponding with 3/4 arc raceway mutual diagonal angle in the spin wrapping angle of inner ring during installation; Capacity of Matched Angular Contact Ball Bearings is a kind of mode that two cover angular contact ball bearings is installed together common use through outer ring spacer and cone spacer; Wherein the external diameter of the external diameter of outer ring spacer and internal diameter and outer ring and internal diameter are complementary; The external diameter and the internal diameter of the external diameter of cone spacer and internal diameter and inner ring are complementary, and two outer rings are had between the side end face of 3/4 arc raceway the back-to-back installation of implementing between the end face that pretension, two inner rings have the angled straight lines raceway to be customized for through the mode that cone spacer is implemented pretension Capacity of Matched Angular Contact Ball Bearings through outer ring spacer; The present invention comprises following content:
1. for the integral rigidity that improves Capacity of Matched Angular Contact Ball Bearings, the amount of grinding that reduces the outer ring spacer axial length, two outer rings and outer ring spacer are designed to an integral outer ring with width L;
The both sides of 2. above-mentioned integral outer ring internal diameter end face are designed with two raceways; Each design parameter that sidewinders all with angled straight lines raceway+3/4 arc raceway of joining inner ring external diameter end face setting is complementary; Wherein said angled straight lines raceway is near the outside of integral outer ring and said 3/4 arc raceway is arranged on the inboard of integral outer ring's internal diameter end face; It is back-to-back to make that adjacent two said 3/4 arc raceways form, and the circular curve of promptly adjacent two said 3/4 arc raceways just is opposite direction;
When 3. two inner rings were installed, said 3/4 arc raceway of 3/4 arc raceway of two inner rings and integral outer ring was the diagonal angle setting each other in the spin wrapping angle, and spin is configured in the interior and spin of retainer and in the semi-circle raceway that is the diagonal angle each other and is surrounded, rolls;
4. being close to said 3/4 arc raceway of integral outer ring and being close to inner ring 3/4 arc raceway with spin is benchmark; Can calculate effective spacing L1 of two centre; Again according to the pretightening force allowable of Capacity of Matched Angular Contact Ball Bearings, thereby calculate the amount of grinding that is arranged on cone spacer axial length between two inner rings.
Owing to adopt technological scheme as stated, the present invention has following superiority:
1, two outer rings of the back-to-back Capacity of Matched Angular Contact Ball Bearings of tradition and outer ring spacer are closed three is one to be designed to integral outer ring in the present invention; Fundamentally eliminated the error that two outer rings and outer ring spacer sides out of parallel and planeness are brought; Improved the integral rigidity of Capacity of Matched Angular Contact Ball Bearings; Avoid grinding the axial length of outer ring spacer, simplified Capacity of Matched Angular Contact Ball Bearings pretightening force repair technology.
2, the present invention only can realize the pretightening force allowable of back-to-back Capacity of Matched Angular Contact Ball Bearings through grinding cone spacer; Be convenient to very much installing and using of Capacity of Matched Angular Contact Ball Bearings; Saved the time of axial pre tightening force adjustment greatly; Improve the efficient and the grinding precision of axial pre tightening force adjustment, thereby improved the running accuracy of Capacity of Matched Angular Contact Ball Bearings, reduced the vibration and the noise of Capacity of Matched Angular Contact Ball Bearings.
Description of drawings
Fig. 1 is the structural representation that the equal fully angular contact ball bearing of two nested structure sizes carries out assembly and back-to-back installation;
Fig. 2 is a structural representation of the present invention;
Among the above-mentioned figure: the 1-outer ring; The 2-inner ring; The 3-retainer; The 4-spin; The 5-cone spacer; The 6-outer ring spacer; 7-integral outer ring.
Embodiment
The present invention is the Capacity of Matched Angular Contact Ball Bearings design and installation method that a kind of outer ring has two raceways.
As everyone knows; Single cover angular contact ball bearing comprises outer ring, inner ring, retainer and spin; The external diameter end face that the internal diameter end face of outer ring is provided with angled straight lines raceway+3/4 arc raceway, inner ring is provided with angled straight lines raceway+3/4 arc raceway; No matter be outer ring or inner ring; The all natural transition of its angled straight lines raceway and 3/4 arc raceway connects, and the radius of curvature of 3/4 arc raceway and the radius of spin are complementary, and 3/4 arc raceway of outer ring is corresponding with 3/4 arc raceway mutual diagonal angle in the spin wrapping angle of inner ring during installation.
In conjunction with Fig. 1; Capacity of Matched Angular Contact Ball Bearings is a kind of mode that two cover angular contact ball bearings is installed together common use through outer ring spacer 6 and cone spacer 5; Wherein the external diameter and the internal diameter of the external diameter of outer ring spacer 6 and internal diameter and outer ring 1 are complementary; The external diameter and the internal diameter of the external diameter of cone spacer 5 and internal diameter and inner ring 2 are complementary, and two outer rings are had between the side end face of 3/4 arc raceway the back-to-back installation of implementing between the end face that pretension, two inner rings have the angled straight lines raceway to be customized for through the mode that cone spacer is implemented pretension Capacity of Matched Angular Contact Ball Bearings through outer ring spacer.
After the clear and definite above-mentioned basic conception, in conjunction with Fig. 2, the present invention mainly comprises following content:
1. for the integral rigidity that improves Capacity of Matched Angular Contact Ball Bearings, the amount of grinding that reduces the outer ring spacer axial length, two outer rings 1 are designed to an integral outer ring 7 with width L with outer ring spacer 6.It is one to be designed to integral outer ring 7 that two outer rings 1 and outer ring spacer 6 are closed three; Fundamentally eliminated the error that two outer rings 1 and outer ring spacer 6 sidess out of parallel and planeness are brought; Its creativeness is that those of ordinary skills institute is beyond thought, thereby the repair technology that the rigidity of Capacity of Matched Angular Contact Ball Bearings has not only improved in integral outer ring, the axial length of also having avoided grinding outer ring spacer has been simplified the Capacity of Matched Angular Contact Ball Bearings pretightening force then is conspicuous.
The both sides of 2. above-mentioned integral outer ring 7 internal diameter end faces are designed with two raceways; Each design parameter that sidewinders all with angled straight lines raceway+3/4 arc raceway of joining inner ring 2 external diameter end face settings is complementary; Wherein said angled straight lines raceway is near the outside of integral outer ring 7 and said 3/4 arc raceway is arranged on the inboard of integral outer ring's 7 internal diameter end faces; Make adjacent two said 3/4 arc raceways form back-to-back; The circular curve that is adjacent two said 3/4 arc raceways just is opposite direction, outside integral outer ring 7, looks sideways: above-mentioned raceway is horn-like.The Capacity of Matched Angular Contact Ball Bearings of this and aforementioned back-to-back installation is self-defined consistent.
When 3. two inner rings 2 were installed, said 3/4 arc raceway of 3/4 arc raceway of two inner rings 2 and integral outer ring was the diagonal angle setting each other in the spin wrapping angle, and spin 4 is configured in the interior and spin 4 of retainer 3 and in the semi-circle raceway that is the diagonal angle each other and is surrounded, rolls.
4. being close to integral outer ring's 7 said 3/4 arc raceways and being close to inner ring 3/4 arc raceway with spin 4 is benchmark; Can calculate effective spacing L1 of two centre; Again according to the pretightening force allowable of Capacity of Matched Angular Contact Ball Bearings, thereby calculate the amount of grinding that is arranged on cone spacer 5 axial lengths between two inner rings 2.Owing to only grind the pretightening force allowable that cone spacer can be realized back-to-back Capacity of Matched Angular Contact Ball Bearings; Be convenient to very much installing and using of Capacity of Matched Angular Contact Ball Bearings; Saved the time of axial pre tightening force adjustment greatly; Improve the efficient and the grinding precision of axial pre tightening force adjustment, thereby improved the running accuracy of Capacity of Matched Angular Contact Ball Bearings, reduced the vibration and the noise of Capacity of Matched Angular Contact Ball Bearings.
The width L of above-mentioned integral outer ring 7 is given, and the axial length of cone spacer 5 can tentatively be confirmed in the case.The foundation of the width of the radius of spin 4, inner ring 2 and 3/4 arc raceway is then because processing factors needs in-site measurement; Therefore behind the width of the radius of specifically measuring spin 4, inner ring 2, also will just can calculate the amount of grinding of cone spacer 5 axial lengths again according to effective spacing L1 of two centre, this is not a difficult matter as far as those of ordinary skills.During actual the use, the pretightening force that is equipped with tight two inner rings 2 need be measured through torque spanner, only cooperatively interacts really to reach or to satisfy the pretightening force allowable of Capacity of Matched Angular Contact Ball Bearings.
Claims (1)
1. an outer ring has the Capacity of Matched Angular Contact Ball Bearings design and installation method of two raceways; Wherein single cover angular contact ball bearing comprises outer ring (1), inner ring (2), retainer (3) and spin (4); The external diameter end face that the internal diameter end face of outer ring is provided with angled straight lines raceway+3/4 arc raceway, inner ring is provided with angled straight lines raceway+3/4 arc raceway; No matter be outer ring or inner ring; The all natural transition of its angled straight lines raceway and 3/4 arc raceway connects, and the radius of curvature of 3/4 arc raceway and the radius of spin are complementary, and 3/4 arc raceway of outer ring is corresponding with 3/4 arc raceway mutual diagonal angle in the spin wrapping angle of inner ring during installation; Capacity of Matched Angular Contact Ball Bearings is a kind of mode that two cover angular contact ball bearings is installed together common use through outer ring spacer (6) and cone spacer (5); Wherein the external diameter of the external diameter of outer ring spacer and internal diameter and outer ring and internal diameter are complementary; The external diameter and the internal diameter of the external diameter of cone spacer and internal diameter and inner ring are complementary, and two outer rings are had between the side end face of 3/4 arc raceway the back-to-back installation of implementing between the end face that pretension, two inner rings have the angled straight lines raceway to be customized for through the mode that cone spacer is implemented pretension Capacity of Matched Angular Contact Ball Bearings through outer ring spacer; It is characterized in that: Capacity of Matched Angular Contact Ball Bearings design and installation method comprises following content:
1. for the integral rigidity that improves Capacity of Matched Angular Contact Ball Bearings, the amount of grinding that reduces the outer ring spacer axial length, two outer rings (1) and outer ring spacer (6) are designed to an integral outer ring (7) with width L;
The both sides of 2. above-mentioned integral outer ring (7) internal diameter end face are designed with two raceways; Each design parameter that sidewinders all with angled straight lines raceway+3/4 arc raceway of joining inner ring (2) external diameter end face setting is complementary; Wherein said angled straight lines raceway is near the outside of integral outer ring (7) and said 3/4 arc raceway is arranged on the inboard of integral outer ring (7) internal diameter end face; It is back-to-back to make that adjacent two said 3/4 arc raceways form, and the circular curve of promptly adjacent two said 3/4 arc raceways just is opposite direction;
When 3. two inner rings (2) are installed; Said 3/4 arc raceway of 3/4 arc raceway of two inner rings and integral outer ring (7) is the diagonal angle setting each other in the spin wrapping angle, spin (4) is configured in the retainer (3) and spin (4) is rolled in the semi-circle raceway that is the diagonal angle each other and is surrounded; 4. being close to said 3/4 arc raceway of integral outer ring (7) and being close to inner ring (2) 3/4 arc raceways with spin (4) is benchmark; Can calculate effective spacing L1 of two centre; Again according to the pretightening force allowable of Capacity of Matched Angular Contact Ball Bearings, thereby calculate the amount of grinding that is arranged on cone spacer between two inner rings (5) axial length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100174042A CN102705370A (en) | 2012-01-19 | 2012-01-19 | Design mounting method for assembled angular contact ball bearing with outer ring having double rolling passages |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100174042A CN102705370A (en) | 2012-01-19 | 2012-01-19 | Design mounting method for assembled angular contact ball bearing with outer ring having double rolling passages |
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| CN102705370A true CN102705370A (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100174042A Pending CN102705370A (en) | 2012-01-19 | 2012-01-19 | Design mounting method for assembled angular contact ball bearing with outer ring having double rolling passages |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041853A (en) * | 2015-07-31 | 2015-11-11 | 洛阳轴研科技股份有限公司 | Face-to-face matched angular contact ball bearing and matching method thereof |
| CN105972071A (en) * | 2016-07-12 | 2016-09-28 | 江苏万达特种轴承有限公司 | Double-inner-ring eight-point contact type bearing |
| CN109477523A (en) * | 2016-08-03 | 2019-03-15 | 舍弗勒技术股份两合公司 | Method and device for mounting an angular contact roller bearing |
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| CN2139870Y (en) * | 1992-11-20 | 1993-08-11 | 北京轴承研究所 | Lubricating hollow cylinder roller bearing spindle system with oil |
| JP2002235740A (en) * | 2001-02-13 | 2002-08-23 | Koyo Seiko Co Ltd | Bearing structure |
| CN101040128A (en) * | 2004-10-08 | 2007-09-19 | Ntn株式会社 | Rolling bearing |
| JP2010217167A (en) * | 2009-02-19 | 2010-09-30 | Nsk Ltd | Bearing device and spindle device of machine tool |
| CN201818652U (en) * | 2010-03-25 | 2011-05-04 | 洛阳德润精密机床轴承有限公司 | Bidirectional-thrust angular contact ball bearing with novel structure |
| CN202079477U (en) * | 2011-03-29 | 2011-12-21 | 刘森钢 | Ultralong high-precision mechanical grinding head |
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2012
- 2012-01-19 CN CN2012100174042A patent/CN102705370A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2139870Y (en) * | 1992-11-20 | 1993-08-11 | 北京轴承研究所 | Lubricating hollow cylinder roller bearing spindle system with oil |
| JP2002235740A (en) * | 2001-02-13 | 2002-08-23 | Koyo Seiko Co Ltd | Bearing structure |
| CN101040128A (en) * | 2004-10-08 | 2007-09-19 | Ntn株式会社 | Rolling bearing |
| JP2010217167A (en) * | 2009-02-19 | 2010-09-30 | Nsk Ltd | Bearing device and spindle device of machine tool |
| CN201818652U (en) * | 2010-03-25 | 2011-05-04 | 洛阳德润精密机床轴承有限公司 | Bidirectional-thrust angular contact ball bearing with novel structure |
| CN202079477U (en) * | 2011-03-29 | 2011-12-21 | 刘森钢 | Ultralong high-precision mechanical grinding head |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041853A (en) * | 2015-07-31 | 2015-11-11 | 洛阳轴研科技股份有限公司 | Face-to-face matched angular contact ball bearing and matching method thereof |
| CN105972071A (en) * | 2016-07-12 | 2016-09-28 | 江苏万达特种轴承有限公司 | Double-inner-ring eight-point contact type bearing |
| CN109477523A (en) * | 2016-08-03 | 2019-03-15 | 舍弗勒技术股份两合公司 | Method and device for mounting an angular contact roller bearing |
| CN109477523B (en) * | 2016-08-03 | 2020-08-14 | 舍弗勒技术股份两合公司 | Method and device for mounting an angular contact roller bearing |
| US11460075B2 (en) | 2016-08-03 | 2022-10-04 | Schaeffler Technologies AG & Co. KG | Method and device for fitting an angular contact roller bearing |
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Application publication date: 20121003 |