CN106524977A - Three-point measurement method for negative clearance of third-generation hub bearing unit - Google Patents
Three-point measurement method for negative clearance of third-generation hub bearing unit Download PDFInfo
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- CN106524977A CN106524977A CN201610858889.6A CN201610858889A CN106524977A CN 106524977 A CN106524977 A CN 106524977A CN 201610858889 A CN201610858889 A CN 201610858889A CN 106524977 A CN106524977 A CN 106524977A
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- Prior art keywords
- inner ring
- ring
- outer ring
- bearing unit
- displacement
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/16—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance of clearance between spaced objects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0025—Measuring of vehicle parts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Rolling Contact Bearings (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a three-point measurement method for negative clearance of a third-generation hub bearing unit. The three-point measurement method comprises the steps of: 1) assembling; 2) sleeving a small end surface of a first inner ring on a shaft at the upper end of a second inner ring downwardly, carrying out pre-pressing by applying downward pressure F1 to a large end surface of the first inner ring, so that a distance a is kept between the small end surface of the first inner ring and the shaft shoulder of the second inner ring; 3) applying a force to a flange plate of an outer ring in a sequence from the upper end to the lower end or from the lower end to the upper end, and measuring a positive clearance value Ga by adopting the three-point measurement method; 4) applying downward pressure F2 to the first inner ring, so that the small end surface of the first inner ring is in contact with the shaft shoulder of the second inner ring; 5) and measuring displacement L of the first inner ring moving along the axial direction, if Ga<L, indicating that a negative clearance value equals to Ga-L, and if Ga>L, replacing the first inner ring, and repeating the steps from 1) to 4). The three-point measurement method can be used for measuring the negative clearance value of the third-generation hub bearing unit directly, is simple and convenient in operation, fast in measuring speed, high in efficiency as well as precise and reliable in measurement results, can ensure the quality of subsequent press-fitting products, and satisfies requirement for consistency in production.
Description
Technical field
The invention belongs to technical field of bearings, specifically, more particularly to a kind of third generation hub-bearing unit bears clearance
3 points of measuring methods.
Background technology
Third generation hub-bearing unit is typically made up of outer ring, the first inner ring, the second inner ring, retainer, steel ball etc..Outside
Be provided with two raceways on the inwall of circle, each raceway one inner ring of correspondence, and two inner rings are separated, each inner ring with it is outer
One group of steel ball is installed between circle, steel ball is positioned by retainer.In theory, the end-play control of third generation hub bearing is suitable
When negative value, the fatigue life of bearing can be made most long, the running accuracy and positioning precision of bearing can be improved, and suppress vibration and
Noise.As third generation hub-bearing unit is all-in-one-piece, it is difficult to directly measure third generation hub-bearing unit on finished product
Negative gap value.
The content of the invention
In view of the above-mentioned deficiency of prior art, the technical problem to be solved is to provide a kind of third generation wheel
Hub bearing unit 3 points of measurement methods of negative clearance.
Technical scheme is as follows：A kind of third generation hub-bearing unit 3 points of measurement methods of negative clearance, its feature exist
In comprising the following steps：
1) first the first inner ring, the second inner ring, outer ring, steel ball and retainer are fitted together；
2) then the first inner ring small end is faced down and is inserted on the axle of the second inner ring upper end, compressed the second inner ring and fix not
Dynamic, applying downward pressure F1 in the large end face of the first inner ring carries out precompressed, makes the first inner ring small end face and the second inner ring shaft shoulder
Keep at a distance a, a values 0.1-0.15mm；
3) in the upper and lower ends order applying power of outer ring ring flange, outer ring is enable axially to move up and down, at outer ring end
Face installs displacement measuring instrument additional, measures positive clearance value Ga with 3 points of measurement methods；
4) downward pressure F2 is applied to the first inner ring, the first inner ring is pressed into vertically, the first inner ring small end face and the
The two inner ring shaft shoulders are contacted；
5) the displacement L that the first inner ring is axially moveable is measured, if Ga<L, then negative gap value=Ga-L, if Ga>L, more
Change the first inner ring, repetition above-mentioned 1) -4) step.
Preferably, the step 3) in, in outer ring ring flange upper and lower ends order applying power, enable outer ring axially
Moving up and down, displacement measuring instrument being installed additional in cycle surface, record outer ring moves up and down displacement L1, then controls outer ring and revolves respectively
Turn 120 degree, 240 degree, repeat displacement measurement process, record displacement data L2, L3 of outer ring, calculate positive clearance value Ga=/3.
Preferably, the step 3) in, in outer ring ring flange upper and lower ends order applying power, enable outer ring axially
Move up and down, three displacement measuring instruments are uniformly distributed in cycle surface trisection, on three detector for displacement measuring table record outer rings
Lower mobile shift value L1, L2, L3, calculate positive clearance value Ga=/3.
Beneficial effect：The negative gap value for being capable of direct measurement third generation hub-bearing unit of the invention, not only simple to operate,
Convenient, measuring speed is fast, efficiency high, and measurement result is accurate, reliable, it can be ensured that the product quality for subsequently press-fiting, and meets
The requirement of uniform production.
Description of the drawings
Fig. 1 is the state diagram after third generation hub bearing precompressed.
Fig. 2 is the state diagram that the first inner ring small end face is contacted with the second inner ring shaft shoulder.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples：
As shown in Figure 1 and Figure 2, third generation hub bearing is by the first inner ring 1, the second inner ring 2, outer ring 3, steel ball 4 and retainer
Constitute.Wherein, two raceways are machined with the inwall of outer ring 3, each raceway one inner ring of correspondence.First inner ring 1 with
Second inner ring 2 is separated, and is also machined with raceway, the raceway on inner ring and corresponding rolling on outer ring 3 on the outer wall of each inner ring
Road is engaged, and forms the installing space of steel ball 4, is provided with steel ball 4 in the installing space, and steel ball 4 is positioned by retainer.
Embodiment 1
As shown in Figure 1 and Figure 2, after each component of above-mentioned third generation hub-bearing unit is ready to, its negative clearance measurement method
Comprise the following steps：
1) first the first inner ring 1, the second inner ring 2, outer ring 3, steel ball 4 and retainer are fitted together.
2) then 1 small end of the first inner ring is faced down and is inserted on the axle of 2 upper end of the second inner ring, compressed the second inner ring 2 and fix
Motionless, applying downward pressure F1 in the large end face of the first inner ring 1 carries out precompressed, makes 1 small end face of the first inner ring and the second inner ring 2
The shaft shoulder is kept at a distance a, a values 0.1-0.15mm.
3) in 3 ring flange upper and lower ends order applying power of outer ring, outer ring 3 is enable axially to move up and down, at 3 end of outer ring
Face installs displacement measuring instrument additional, and record outer ring 3 moves up and down displacement L1, then controls outer ring 3 and rotates 120 in the same direction respectively
Degree, 240 degree, repeat displacement measurement process, record displacement data L2, L3 of outer ring 3, the positive clearance value Ga=(L1+L2+ of calculating
L3)/3。
In this step, first can apply downward power in 3 ring flange upper end of outer ring, make that outer ring 3 is axially downward to be arrived
Lower dead center, then apply power upwards in 3 ring flange lower end of outer ring, make outer ring 3 move to top dead centre axially upward；Can also be first
First apply power upwards on 3 ring flange of outer ring, then apply downward power.
4) downward pressure F2 is applied to the first inner ring 1, the first inner ring 1 is pressed into vertically, 1 small end face of the first inner ring with
Second inner ring, 2 shaft shoulder is contacted.
5) the displacement L that the first inner ring 1 is axially moveable is measured, if Ga<L, then negative gap value=Ga-L；If Ga>L,
Change the first inner ring 1, repetition above-mentioned 1) -4) step.
Embodiment 2
As shown in Figure 1 and Figure 2, after each component of above-mentioned third generation hub-bearing unit is ready to, its negative clearance measurement method
Comprise the following steps：
1) first the first inner ring 1, the second inner ring 2, outer ring 3, steel ball 4 and retainer are fitted together.
2) then 1 small end of the first inner ring is faced down and is inserted on the axle of 2 upper end of the second inner ring, compressed the second inner ring 2 and fix
Motionless, applying downward pressure F1 in the large end face of the first inner ring 1 carries out precompressed, makes 1 small end face of the first inner ring and the second inner ring 2
The shaft shoulder is kept at a distance a, a values 0.1-0.15mm.
3) in 3 ring flange upper and lower ends order applying power of outer ring, outer ring 3 is enable axially to move up and down, at 3 end of outer ring
Face trisection is uniformly distributed three displacement measuring instruments, three detector for displacement measuring table record outer rings move up and down shift value L1, L2,
L3, calculates positive clearance value Ga=(L1+L2+L3)/3.
In this step, first can apply downward power in 3 ring flange upper end of outer ring, make that outer ring 3 is axially downward to be arrived
Lower dead center, then apply power upwards in 3 ring flange lower end of outer ring, make outer ring 3 move to top dead centre axially upward；Can also be first
First apply power upwards on 3 ring flange of outer ring, then apply downward power.
4) downward pressure F2 is applied to the first inner ring 1, the first inner ring 1 is pressed into vertically, 1 small end face of the first inner ring with
Second inner ring, 2 shaft shoulder is contacted.
5) the displacement L that the first inner ring 1 is axially moveable is measured, if Ga<L, then negative gap value=Ga-L；If Ga>L,
Change the first inner ring 1, repetition above-mentioned 1) -4) step.
The preferred embodiment of the present invention described in detail above.It should be appreciated that one of ordinary skill in the art without
Need creative work just can make many modifications and variations with design of the invention.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (3)
1. a kind of third generation hub-bearing unit bears 3 points of measurement methods of clearance, it is characterised in that comprise the following steps：
1) first the first inner ring (1), the second inner ring (2), outer ring (3), steel ball (4) and retainer are fitted together；
2) then the first inner ring (1) small end is faced down and is inserted on the axle of the second inner ring (2) upper end, compress the second inner ring (2) solid
Fixed motionless, applying downward pressure F1 in the large end face of the first inner ring (1) carries out precompressed, makes the first inner ring (1) small end face and the
Two inner rings (2) shaft shoulder is kept at a distance a, a values 0.1-0.15mm；
3) in the upper and lower ends order applying power of outer ring (3) ring flange, outer ring (3) is made axially to move up and down, in outer ring
(3) end face installs displacement measuring instrument additional, measures positive clearance value Ga with 3 points of measurement methods；
4) downward pressure F2 is applied to the first inner ring (1), the first inner ring (1) is pressed into vertically, the first inner ring (1) small end face
Contact with the second inner ring (2) shaft shoulder；
5) the displacement L that the first inner ring (1) is axially moveable is measured, if Ga<L, then negative gap value=Ga-L, if Ga>L, more
Change the first inner ring (1), repetition above-mentioned 1) -4) step.
2. third generation hub-bearing unit according to claim 1 bears 3 points of measurement methods of clearance, it is characterised in that：The step
It is rapid 3) in, in outer ring (3) ring flange upper and lower ends order applying power, outer ring (3) axially can be moved up and down, in outer ring
(3) end face installs displacement measuring instrument additional, and record outer ring (3) moves up and down displacement L1, then controls outer ring (3) and rotates 120 respectively
Degree, 240 degree, repeat displacement measurement process, record displacement data L2, the L3 of outer ring (3), the positive clearance value Ga=(L1+L2+ of calculating
L3)/3。
3. third generation hub-bearing unit according to claim 1 bears 3 points of measurement methods of clearance, it is characterised in that：The step
It is rapid 3) in, in outer ring (3) ring flange upper and lower ends order applying power, outer ring (3) axially can be moved up and down, in outer ring
(3) end face trisection is uniformly distributed three displacement measuring instruments, and three detector for displacement measuring table record outer rings move up and down shift value
L1, L2, L3, calculate positive clearance value Ga=(L1+L2+L3)/3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610858889.6A CN106524977A (en) | 2016-09-28 | 2016-09-28 | Three-point measurement method for negative clearance of third-generation hub bearing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610858889.6A CN106524977A (en) | 2016-09-28 | 2016-09-28 | Three-point measurement method for negative clearance of third-generation hub bearing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106524977A true CN106524977A (en) | 2017-03-22 |
Family
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|---|---|---|---|
| CN201610858889.6A Pending CN106524977A (en) | 2016-09-28 | 2016-09-28 | Three-point measurement method for negative clearance of third-generation hub bearing unit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909720A (en) * | 2019-03-27 | 2019-06-21 | 湖北火爆机器人科技有限公司 | A kind of mensuration of the negative clearance of hub-bearing unit |
| CN110657772A (en) * | 2019-11-12 | 2020-01-07 | 济南易恒技术有限公司 | Third-generation direct detection method and device for negative clearance of hub bearing unit |
| CN112050772A (en) * | 2020-10-15 | 2020-12-08 | 安徽固迈汽车零部件有限公司 | Bearing working clearance detection method |
| CN116951006A (en) * | 2023-09-20 | 2023-10-27 | 万向钱潮股份公司 | Hub bearing installation method and device |
Citations (7)
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|---|---|---|---|---|
| US5597965A (en) * | 1994-02-04 | 1997-01-28 | Nsk Ltd. | Method and apparatus for measuring the preload gap of a double row rolling bearing |
| US5620263A (en) * | 1993-10-28 | 1997-04-15 | Ntn Corporation | Axle bearing assembly and method of measuring bearing clearances |
| US6070325A (en) * | 1996-11-05 | 2000-06-06 | Koyo Seiko Co., Ltd. | Method for measuring a pre-load applied to a double-row rolling bearing |
| CN201187982Y (en) * | 2008-03-28 | 2009-01-28 | 重庆长江轴承股份有限公司 | Biserial contact ball bearing and axial play detector for biserial conical bearing |
| US20090113735A1 (en) * | 2006-05-29 | 2009-05-07 | Young Su Song | Method of measuring a clearance of a hub bearing for vehicles |
| CN101871491A (en) * | 2010-06-22 | 2010-10-27 | 济南易恒技术有限公司 | Assembly line for second-generation automobile hub unit |
| CN105588494A (en) * | 2015-10-26 | 2016-05-18 | 人本集团有限公司 | Hub bearing negative windage detection method |
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2016
- 2016-09-28 CN CN201610858889.6A patent/CN106524977A/en active Pending
Patent Citations (7)
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|---|---|---|---|---|
| US5620263A (en) * | 1993-10-28 | 1997-04-15 | Ntn Corporation | Axle bearing assembly and method of measuring bearing clearances |
| US5597965A (en) * | 1994-02-04 | 1997-01-28 | Nsk Ltd. | Method and apparatus for measuring the preload gap of a double row rolling bearing |
| US6070325A (en) * | 1996-11-05 | 2000-06-06 | Koyo Seiko Co., Ltd. | Method for measuring a pre-load applied to a double-row rolling bearing |
| US20090113735A1 (en) * | 2006-05-29 | 2009-05-07 | Young Su Song | Method of measuring a clearance of a hub bearing for vehicles |
| CN201187982Y (en) * | 2008-03-28 | 2009-01-28 | 重庆长江轴承股份有限公司 | Biserial contact ball bearing and axial play detector for biserial conical bearing |
| CN101871491A (en) * | 2010-06-22 | 2010-10-27 | 济南易恒技术有限公司 | Assembly line for second-generation automobile hub unit |
| CN105588494A (en) * | 2015-10-26 | 2016-05-18 | 人本集团有限公司 | Hub bearing negative windage detection method |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909720A (en) * | 2019-03-27 | 2019-06-21 | 湖北火爆机器人科技有限公司 | A kind of mensuration of the negative clearance of hub-bearing unit |
| CN110657772A (en) * | 2019-11-12 | 2020-01-07 | 济南易恒技术有限公司 | Third-generation direct detection method and device for negative clearance of hub bearing unit |
| CN110657772B (en) * | 2019-11-12 | 2020-09-01 | 济南易恒技术有限公司 | Third-generation direct detection method and device for negative clearance of hub bearing unit |
| CN112050772A (en) * | 2020-10-15 | 2020-12-08 | 安徽固迈汽车零部件有限公司 | Bearing working clearance detection method |
| CN116951006A (en) * | 2023-09-20 | 2023-10-27 | 万向钱潮股份公司 | Hub bearing installation method and device |
| CN116951006B (en) * | 2023-09-20 | 2023-12-08 | 万向钱潮股份公司 | Hub bearing installation method and device |
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Application publication date: 20170322 |
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