CN106382305A - Method for selecting and matching inner ring and outer ring of deep groove ball bearing - Google Patents
Method for selecting and matching inner ring and outer ring of deep groove ball bearing Download PDFInfo
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- CN106382305A CN106382305A CN201610797487.XA CN201610797487A CN106382305A CN 106382305 A CN106382305 A CN 106382305A CN 201610797487 A CN201610797487 A CN 201610797487A CN 106382305 A CN106382305 A CN 106382305A
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- China
- Prior art keywords
- deep groove
- ball bearing
- groove ball
- steel ball
- outer ring
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
- F16C43/06—Placing rolling bodies in cages or bearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to a method for selecting and matching an inner ring and an outer ring of a deep groove ball bearing. The method comprises the steps of assembling N steel balls between the inner ring and the outer ring which are selected, wherein the N steel balls are uniformly separated through a process retainer, N is greater than or equal to two and smaller than or equal to Z, Z is smaller than M, Z is the set number of steel balls, and M is the designed number of steel balls of the deep groove ball bearing of the set specification; measuring the radial internal clearance value of the deep groove ball bearing when the N steel balls are assembled therein; judging whether the obtained radial internal clearance value conforms to the process parameter value Gr1 of radial internal clearance or not, wherein Gr1 equals to Gr plus (1-2) microns, and Gr is the designed parameter value of radial internal clearance of the deep groove ball bearing of the set specification; if the obtained radial internal clearance value conforms to the process parameter value Gr1 of radial internal clearance, assembling and matching the selected inner ring and the outer ring as a pair; and if the obtained radial internal clearance value does not conform to the process parameter value Gr1 of radial internal clearance, reselecting the inner ring and the outer ring. According to the method, radial internal clearance measurement conducted when the bearing is full of the balls is converted into radial internal clearance measurement and judgment conducted when the bearing is not full of the balls, and the problem of forced disassembling in the measurement process when the bearing is full of the balls is effectively avoided.
Description
Technical field
The present invention relates to a kind of deep groove ball bearing Internal and external cycle matching method.
Background technology
Zanjon full ball bearing is the more special construction bearing of a kind of no retainer, steel ball quantity, ordinary circumstance, the full ball of zanjon
The inside and outside circle of bearing all has the filling slot of certain hold depth.Because ball number is more, zanjon full ball bearing has higher carrying energy
Power, is widely used in the larger drive disk assembly of the load such as Aeronautics and Astronautics.Because zanjon full ball bearing is mainly used in load relatively
Big occasion, and when the end-play of bearing is big, the radial direction bearing capacity of bearing is less, axial carrying capacity is bigger；When radially
Clearance gets over hour, and the radial direction bearing capacity of bearing is bigger, and axial carrying capacity is less, in order that bearing meets applying working condition, one
As in the case of full ball bearing end-play scope of design all smaller, the end-play matching method of therefore zanjon full ball bearing
Most important.
At present, the matching method step of the Internal and external cycle of zanjon full ball bearing：1st, inner ring, outer ring are carried out point by core diameter
Group；2nd, pass through to calculate according to steel ball size divider value and the inside and outside circle meeting end-play design requirement is assembled；3rd, measure
Bearing end-play；4th, when being unsatisfactory for requiring, bearing need to be disassembled, change suitable inner ring or outer ring, ressemble, directly
Meet to bearing end-play and require.
Due to the impact of Internal and external cycle core diameter measurement error and other factorses, end-play measured value and Theoretical Calculation
Value has error, and end-play first-time qualification rate is 70%～80%, therefore always has 20%～30% bearing needs in a collection of bearing
Repeat to disassemble, but when disassembling of zanjon full ball bearing, because the filling slot of Internal and external cycle is designed with certain hold depth, disassemble at first
Several balls are firmly to be pressed out bearing groove bottom by frock, therefore initially several balls all have the defects such as scuffing, and lasso
There is flange phenomenon, this will scrap being unsatisfactory for the requirement to bearing for the high reliable mechanical part such as Aeronautics and Astronautics, bearing at fore shaft,
Adds additional the Internal and external cycle apolegamy cost of deep groove ball bearing.
Content of the invention
The present invention provides a kind of deep groove ball bearing matching method, to solve Internal and external cycle end-play apolegamy of the prior art
The relatively costly technical problem of method choosing apolegamy.
The technical scheme of deep groove ball bearing matching method provided by the present invention is：A kind of deep groove ball bearing Internal and external cycle apolegamy
Method, comprises the steps：
(1) chosen according to the core diameter of inner ring, outer ring and be equipped with, for corresponding to group, the deep groove ball bearing that composition sets model
Inner ring, outer ring；
(2) load N grain steel ball between the inner ring chosen and outer ring, N grain steel ball is evenly spaced by technique retainer, 2
≤ N≤Z ＜ M, wherein, Z is the steel ball quantity setting, and M is the design steel ball quantity of the described deep groove ball bearing setting model；
(3) measurement loads the end-play value of deep groove ball bearing during described N grain steel ball；
(4) judge whether measured end-play value meets end-play process parameter value Gr1, Gr1=Gr+ (1～2) μ
M, Gr are the design parameter value of the described end-play of deep groove ball bearing setting model, such as meet, the inner ring of selection and outer ring
I.e. combining is a set of, does not such as meet, then re-starts the selection of Internal and external cycle.
Setting steel ball quantity Z=ψ/2sin in step 2-1(Dw/ P)+1, ψ be fill out ball angle, 0 ＜ ψ≤186 °, DwFor steel ball ball
Footpath, P be described set model deep groove ball bearing in the steel ball centre of sphere be located center pitch diameter.
The ball angle ψ that fills out in described step 2 is 186 °.
The invention has the beneficial effects as follows：In deep groove ball bearing Internal and external cycle matching method provided by the present invention, by N number of steel ball
Load between inner ring and the outer ring of pre- apolegamy, because N is less than M, thus full ball bearing inner ring circle of the prior art is matched
Be converted to the Internal and external cycle apolegamy of non-full ball bearing, under non-full ball confined state, the end-play value of measurement deep groove ball bearing, when
When it meets end-play process parameter value, when substantially can ensure that the deep groove ball bearing full ball assembling using this group Internal and external cycle
End-play disclosure satisfy that design requirement, if the end-play of the deep groove ball bearing under non-full spherical state can not meet footpath
During to clearance process parameter value, can be dismantled under non-full spherical state, due to inner ring, outer ring and steel ball during non-full spherical state
Activity surplus Internal and external cycle and steel ball can be taken apart it is not necessary to toll breakdown greatly very much, be prevented effectively from during the assembling of full ball if there is footpath
It is unsatisfactory for specifying and the problem tolled breakdown of having to clearance.
Brief description
Fig. 1 be deep groove ball bearing fill out ball angle schematic diagram.
Specific embodiment
As shown in figure 1, deep groove ball bearing does not have retainer, on inner ring and outer ring, correspondence sets breach, in order to strong dress
Several steel balls afterwards, are known that D from Fig. 1wFor steel ball sphere diameter, P is steel ball ball in the described deep groove ball bearing setting model
The center pitch diameter that the heart is located.
A kind of embodiment of deep groove ball bearing Internal and external cycle matching method provided by the present invention, the apolegamy side in this embodiment
Method comprises the steps：
(1) chosen according to the core diameter of inner ring, outer ring and be equipped with, for corresponding to group, the deep groove ball bearing that composition sets model
Inner ring, outer ring；
(2) load N grain steel ball between the inner ring chosen and outer ring, N grain steel ball is evenly spaced by technique retainer, 2
≤ N≤Z, Z ＜ M, wherein, Z is to set steel ball quantity, and M is the design steel ball quantity of the described deep groove ball bearing setting model；
(3) measurement loads the end-play value of deep groove ball bearing during described N grain steel ball；
(4) judge whether measured end-play value meets end-play process parameter value Gr1, Gr1=Gr+ (1～2) μ
M, Gr are the design parameter value of the described end-play of deep groove ball bearing setting model, such as meet, the inner ring of selection and outer ring
I.e. combining is a set of, does not such as meet, then re-starts the selection of Internal and external cycle.
Setting steel ball quantity Z=ψ/2sin in step 2-1(Dw/ P)+1, ψ be fill out ball angle, 0 186 ° of ＜ ψ ＜, DwFor steel ball ball
Footpath, P be described set model deep groove ball bearing in the steel ball centre of sphere be located center pitch diameter.
The ball angle ψ that fills out in step 2 is 186 °.
In step 2, as long as steel ball quantity N is not less than 2 in theory, in actual application, steel ball quantity N >=5 can be made, with
Convenient installation, simultaneously it is ensured that effective assemble.
Internal and external cycle error process is specifically described taking 626 deep groove ball bearings as a example, 626 deep groove ball bearings are that band filling slot is full
Ball bearing, its Internal and external cycle and steel ball material are 9Cr18 high carbon chromium stainless bearing steel.
The relevant design size of 626 deep groove ball bearings is as follows：
Bearing outside diameter D=19, internal diameter d=6, width B=6, and the centromere that in 626 deep groove ball bearings, the steel ball centre of sphere is located
Circular diameter P=12.5, designs steel ball quantity M=9, steel ball sphere diameter DwThe design of the end-play of=3.969,626 deep groove ball bearings
Parameter is Gr1=0.006～0.013.
Error process is as follows：
1st, chosen according to the core diameter of inner ring, outer ring and be equipped with the inner ring of composition 626 deep groove ball bearings, outer for corresponding to group
Circle.
2nd, when filling out ball angle ψ for 186 °, Z=ψ/2sin-1(Dw/ P)+1=6, according to 5 ＜ N≤Z, Internal and external cycle loads 6
Grain steel ball, and using technique retainer, steel ball is evenly spaced.
3rd, measurement loads the end-play value of deep groove ball bearing during 6 steel balls.
4th, judge whether surveyed end-play value meets end-play process parameter value Gr1, due to Gr1=Gr+ (1～2)
μm, end-play process parameter value Gr1Scope be 0.007～0.014, improve trap rate for further, can be by end-play
Process parameter value Gr1Scope positioning 0.007～0.013.
When measured end-play value meets end-play technological parameter, selected Internal and external cycle can assemble as one
Set, and when not meeting end-play process parameter value, need to disassemble and again choose other Internal and external cycle to be assembled, until
Meet end-play technological parameter.
626 zanjon full ball bearing Internal and external cycle apolegamys are converted to the Internal and external cycle apolegamy only inserting 6 ball bearings by the method,
Before the full ball assembling of 626 zanjon bearings, first load the end-play of 6 steel ball bearings in measurement bearing, meet 0.007 when it～
During 0.013 scope, the end-play when full ball assembles for the deep groove ball bearing just can meet design requirement.This method avoid zanjon
Tolling breakdown when measuring unqualified after ball bearing full ball assembling, it is to avoid the scuffing of steel ball, improves zanjon full ball bearing and radially swims
Gap qualification rate so as to qualification rate is greatly improved, remarkable in economical benefits.
In the present embodiment, when carrying out non-full ball assembling, as long as selected steel ball quantity N is not less than 2 steel balls in theory
, 2 steel balls can realize the assembling of deep groove ball bearing in the presence of technique retainer.In other embodiments, non-full
It is somewhat larger that steel ball quantity during ball assembling can take, but cannot be greater than setting steel ball quantity Z, and Z can be provided by the present embodiment
Computing formula obtains it is also possible to be set according to the actual number of the deep groove ball bearing of each dissimilar size, as long as filling Z
Fill by force not by the breach on Internal and external cycle during individual steel ball quantity.
Claims (3)
1. a kind of deep groove ball bearing Internal and external cycle matching method it is characterised in that：Comprise the steps：
(1) chosen according to the core diameter of inner ring, outer ring and be equipped with the deep groove ball bearing of composition setting model for corresponding to group
Circle, outer ring；
(2) load N grain steel ball between the inner ring chosen and outer ring, N grain steel ball is evenly spaced by technique retainer, 2≤N≤
Z, Z ＜ M, wherein, Z is to set steel ball quantity, and M is the design steel ball quantity of the described deep groove ball bearing setting model；
(3) measurement loads the end-play value of deep groove ball bearing during described N grain steel ball；
(4) judge whether measured end-play value meets end-play process parameter value Gr1, Gr1=Gr+ (1～2) μm, Gr
For the design parameter value of the end-play of the described deep groove ball bearing setting model, such as meet, the inner ring of selection and outer ring
Assemble as a set of, such as do not meet, then re-start the selection of Internal and external cycle.
2. deep groove ball bearing Internal and external cycle matching method according to claim 1 it is characterised in that：In described step 2
Set steel ball quantity Z=ψ/2sin-1(Dw/ P)+1, ψ be fill out ball angle, 0 ＜ ψ≤186 °, DwFor steel ball sphere diameter, P is described setting type
Number deep groove ball bearing in the steel ball centre of sphere be located center pitch diameter.
3. deep groove ball bearing Internal and external cycle matching method according to claim 2 it is characterised in that：Filling out in described step 2
Ball angle ψ is 186 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610797487.XA CN106382305B (en) | 2016-08-31 | 2016-08-31 | A kind of deep groove ball bearing Internal and external cycle matching method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610797487.XA CN106382305B (en) | 2016-08-31 | 2016-08-31 | A kind of deep groove ball bearing Internal and external cycle matching method |
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| Publication Number | Publication Date |
|---|---|
| CN106382305A true CN106382305A (en) | 2017-02-08 |
| CN106382305B CN106382305B (en) | 2019-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610797487.XA Active CN106382305B (en) | 2016-08-31 | 2016-08-31 | A kind of deep groove ball bearing Internal and external cycle matching method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356220A (en) * | 2017-06-23 | 2017-11-17 | 萧山工业研究院 | The characteristic quantity measurement of automobile hub bearing outer ring axial direction and steel ball matching method |
| CN110185709A (en) * | 2019-05-14 | 2019-08-30 | 杭州电子科技大学 | A kind of assembly technology controlling bearing clearance |
| CN110985555A (en) * | 2019-12-31 | 2020-04-10 | 宁波慈兴轴承有限公司 | Fitting method of double-inner-ring four-point contact ball bearing |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010249241A (en) * | 2009-04-16 | 2010-11-04 | Ntn Corp | Deep groove ball bearing and method for designing the same |
| CN104033489A (en) * | 2014-05-14 | 2014-09-10 | 洛阳维斯格轴承有限公司 | Ball-filled mechanism of uniform-section ultra-thin wall four-point contact bearing |
| CN205315484U (en) * | 2016-01-22 | 2016-06-15 | 大连海泰轴承制造有限公司 | Strenghthened type deep groove ball bearing |
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2016
- 2016-08-31 CN CN201610797487.XA patent/CN106382305B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010249241A (en) * | 2009-04-16 | 2010-11-04 | Ntn Corp | Deep groove ball bearing and method for designing the same |
| CN104033489A (en) * | 2014-05-14 | 2014-09-10 | 洛阳维斯格轴承有限公司 | Ball-filled mechanism of uniform-section ultra-thin wall four-point contact bearing |
| CN205315484U (en) * | 2016-01-22 | 2016-06-15 | 大连海泰轴承制造有限公司 | Strenghthened type deep groove ball bearing |
Non-Patent Citations (2)
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| 李香、温晶: "带装球缺口深沟球轴承装配工艺的改进", 《哈尔滨轴承》 * |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356220A (en) * | 2017-06-23 | 2017-11-17 | 萧山工业研究院 | The characteristic quantity measurement of automobile hub bearing outer ring axial direction and steel ball matching method |
| CN110185709A (en) * | 2019-05-14 | 2019-08-30 | 杭州电子科技大学 | A kind of assembly technology controlling bearing clearance |
| CN110985555A (en) * | 2019-12-31 | 2020-04-10 | 宁波慈兴轴承有限公司 | Fitting method of double-inner-ring four-point contact ball bearing |
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| Publication number | Publication date |
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| CN106382305B (en) | 2019-01-22 |
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Effective date of registration: 20180518 Address after: 471000 No. 1 axis research road, Jianxi science and Technology Industrial Park, Luoyang, Henan Applicant after: Luoyang Bearing Research Institute Address before: 471039 Fenghua Road 6, hi tech Development Zone, Luoyang, Henan. Applicant before: Zhouyan Science and Technology Co., Ltd., Luoyang |
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