CN101554828A - Manufacturing method of integrated automobile hub bearing unit - Google Patents
Manufacturing method of integrated automobile hub bearing unit Download PDFInfo
- Publication number
- CN101554828A CN101554828A CNA2009100963963A CN200910096396A CN101554828A CN 101554828 A CN101554828 A CN 101554828A CN A2009100963963 A CNA2009100963963 A CN A2009100963963A CN 200910096396 A CN200910096396 A CN 200910096396A CN 101554828 A CN101554828 A CN 101554828A
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- bearing unit
- spline
- hub bearing
- automobile hub
- manufacturing
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Abstract
The invention relates to a manufacturing method of an integrated automobile hub bearing unit, which belongs to a manufacturing method of automobile parts and components. The traditional manufacturing method of the integrated automobile hub bearing unit has the default that a flanged shaft spline is easy to be deformed, thus causing the dimensional precision and the form and position accuracy to become lower. The method comprises the following steps of: first manufacturing the parts of the integrated automobile hub bearing unit without spline; then assembling the manufactured parts; and then manufacturing the spline after the parts are assembled; therefore, the influence of the heat treatment of the flanged shaft on the dimensional precision and the form and position accuracy of the spline is avoided.
Description
Technical field
The invention belongs to the auto parts and components manufacture method, especially relevant with a kind of manufacture method of integrated automobile hub bearing unit.
Background technology
The integrated automobile hub bearing unit of wounded in the battle key is mainly used in the wheel hub of drive wheel, it comprises integral type outer race, the hollow flange axle of inner ring as a whole, steel ball, ball retainer, seal ring and little inner ring, the outer ring is provided with two raceways, flanged shaft is provided with a raceway and is used to install the mounting groove of little inner ring, little inner ring is set in this mounting groove and forms interference fit, little inner ring is provided with a raceway, the outer ring is provided with the hole that connects inside and outside wall, in this hole sensor is installed, be set with gear ring on the flanged shaft with described sensor pairing, be provided with spline in the flanged shaft hollow cavity, be used to install the constant-velocity universal joint assembly, spline and universal joint assembly quality of fit require high, so to the dimension precision requirement height of spline.Traditional flanged shaft spline Fabrication procedure is before and after flanged shaft induction hardening operation, elder generation processes spline before the induction hardening operation, spline easy deformation after heat treatment, thereby influence the dimensional accuracy and the accuracy of form and position, and, cause the requirement of spline size out of reach because little inner ring and flanged shaft are that interference fit can make the spline size decreases again; Reprocessing spline after the induction hardening operation still exists owing to little inner ring and flanged shaft are the defectives that interference fit makes the spline size decreases.Simultaneously classical production process if leak the operation phenomenon, needs the complexity of doing over again is reprocessed in hub-bearing unit dismounting back when spline is made.
Summary of the invention
Thereby the object of the invention is exactly to solve the defective that the flanged shaft spline easy deformation that exists in traditional integrated automobile hub bearing unit manufacturing causes dimensional accuracy and accuracy of form and position step-down, and a kind of manufacture method that can guarantee the integrated automobile hub bearing unit of the dimensional accuracy and the accuracy of form and position is provided.For this reason, the present invention is by the following technical solutions:
A kind of manufacture method of integrated automobile hub bearing unit is at first carried out the not part manufacturing of the integrated automobile hub bearing unit of wounded in the battle key, the part of making is assembled again; It is characterized in that, after component assembly is finished, carry out the making of spline.
Perfect as the supplementary sum to technique scheme, the present invention also comprises following supplementary technology scheme:
The making best approach of described spline is for adopting broaching.
The method for making of described spline can also adopt slotting.
Use the present invention can reach following beneficial effect: to adopt and after assembling is finished, carry out the spline making, avoided the influence of flanged shaft heat treatment to the spline dimensional accuracy and the accuracy of form and position, inspection process before and after the flanged shaft manufacturing is merged, reduced manufacturing cost, even and spline make to occur leak the operation phenomenon do over again also convenient.
Description of drawings
Fig. 1 is the front view of a kind of integrated automobile hub bearing unit of the present invention.
Fig. 2 is the A-A cutaway view of Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in detail.
As Fig. 1, shown in Figure 2, a kind of integrated automobile hub bearing unit of the present invention, comprise integral type outer race 2, the hollow flange axle 1 of inner ring as a whole, steel ball 6, ball retainer 4, seal ring 7 and little inner ring 8, outer ring 2 is provided with two raceways, flanged shaft 1 is provided with a raceway and is used to install the mounting groove of little inner ring 8, little inner ring 8 is set in this mounting groove and forms interference fit, little inner ring 8 is provided with a raceway, outer ring 2 is provided with the hole that connects inside and outside wall, sensor 9 is installed in this hole, be set with the gear ring 5 that matches with sensor 9 on the flanged shaft 1, be provided with spline 3 in flanged shaft 1 hollow cavity.At first make the part of forming this integrated automobile hub bearing unit, be outer ring 2, flanged shaft 1, steel ball 6, ball retainer 4, seal ring 7, little inner ring 8, sensor 9 and gear ring 5, not wounded in the battle key in the blue axle of this single stage method 1 hollow cavity, then the part of making is assembled, carry out the making of spline 3 after component assembly is become hub-bearing unit in the hollow cavity of flanged shaft 1, the method for making of spline 3 adopts broaching.
In the technique scheme, the method for making of spline 3 can also adopt slotting.
Claims (3)
1, a kind of manufacture method of integrated automobile hub bearing unit is at first carried out the not part manufacturing of the integrated automobile hub bearing unit of wounded in the battle key, the part of making is assembled again; It is characterized in that: after component assembly is finished, carry out the making of spline.
2, the manufacture method of a kind of integrated automobile hub bearing unit according to claim 1 is characterized in that: the making best approach of described spline is for adopting broaching.
3, the manufacture method of a kind of integrated automobile hub bearing unit according to claim 1 is characterized in that: the method for making of described spline can also adopt slotting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100963963A CN101554828A (en) | 2009-02-26 | 2009-02-26 | Manufacturing method of integrated automobile hub bearing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100963963A CN101554828A (en) | 2009-02-26 | 2009-02-26 | Manufacturing method of integrated automobile hub bearing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101554828A true CN101554828A (en) | 2009-10-14 |
Family
ID=41173173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100963963A Pending CN101554828A (en) | 2009-02-26 | 2009-02-26 | Manufacturing method of integrated automobile hub bearing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101554828A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105522867A (en) * | 2015-12-30 | 2016-04-27 | 长安马自达汽车有限公司 | Novel hub bearing unit for driving wheel |
| CN109483180A (en) * | 2019-01-08 | 2019-03-19 | 湖北新火炬科技有限公司 | A kind of hub bearing spline processing technology |
-
2009
- 2009-02-26 CN CNA2009100963963A patent/CN101554828A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105522867A (en) * | 2015-12-30 | 2016-04-27 | 长安马自达汽车有限公司 | Novel hub bearing unit for driving wheel |
| CN109483180A (en) * | 2019-01-08 | 2019-03-19 | 湖北新火炬科技有限公司 | A kind of hub bearing spline processing technology |
| CN109483180B (en) * | 2019-01-08 | 2021-06-08 | 湖北新火炬科技有限公司 | Hub bearing spline machining process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20091014 |