CN203604434U - Closed high-speed low-noise angular contact ball spindle bearing - Google Patents
Closed high-speed low-noise angular contact ball spindle bearing Download PDFInfo
- Publication number
- CN203604434U CN203604434U CN201320858434.6U CN201320858434U CN203604434U CN 203604434 U CN203604434 U CN 203604434U CN 201320858434 U CN201320858434 U CN 201320858434U CN 203604434 U CN203604434 U CN 203604434U
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- China
- Prior art keywords
- inner ring
- outer ring
- angular contact
- contact ball
- noise
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- Expired - Lifetime
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- 238000005096 rolling process Methods 0.000 claims abstract description 18
- 239000004519 grease Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 23
- 239000004744 fabric Substances 0.000 claims description 4
- -1 phenolic aldehyde Chemical class 0.000 claims description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 6
- 230000001050 lubricating effect Effects 0.000 abstract description 4
- 238000005461 lubrication Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a closed high-speed low-noise angular contact ball spindle bearing, and aims at solving the problems that the existing angular contact ball spindle bearing generally has an open type non-dustproof structure, is relatively low in rotating speed, and relatively high in noise, and is easily influenced by impurities of a lubricating system to cause higher temperature rise, lower rotating accuracy and short service life. The closed high-speed low-noise angular contact ball spindle bearing is characterized in that an outer ring raceway is arranged on the inner surface of an outer ring, an inner ring raceway is arranged on the outer surface of an inner ring, a pocket slot is formed in a retainer, a rolling body is arranged in the pocket slot, the curvature radius coefficient of the outer ring raceway is 0.525, the curvature radius coefficient of the inner ring raceway is 0.55, the section of the pocket slot is shaped like a cylinder, and the outer ring raceway and the inner ring raceway are internally respectively provided with a lubricating grease layer. The closed high-speed low-noise angular contact ball spindle bearing designed has an optimal structure, is closed and dustproof, is not influenced by any machine tool function units, and is excellent in lubrication property, high in limit rotating speed, low in noise, high in rotation accuracy and rigidity, and long in service life.
Description
Technical field
Related domain relates to a kind of sealing high-speed and low-noise angular contact ball main shaft bearing.
Background technique
The angular contact ball main shaft bearing of prior art, is representative rolling main shaft bearing, of many uses.Be applicable to the even extremely high-revolving main shaft operation of high rotating speed, and very durable, such pivot friction coefficient is little, and limit speed is high, simple in structure, and low cost of manufacture easily reaches higher accuracy of manufacturing.Dimensional range and variation are various, are applied in the industries such as precise numerical control machine main shaft, low-noise accurate motor, High speed sculpture owner axle and precision optical machinery, are the most widely used class bearings in precision optical machinery industry.
The angular contact ball main shaft bearing of prior art, is generally the structure that open type is not prevented dust, and rotating speed is relatively low, and noise is relatively high, is subject to the impact of lubrication system impurity, cause that temperature rise is higher, rotating accuracy and working life lower.
Summary of the invention
In order to overcome above-mentioned defect, the utility model has designed a kind of sealing high-speed and low-noise angular contact ball main shaft bearing, this kind of sealing high-speed and low-noise angular contact ball spindle bearing structure optimized, sealing and dustproof, is not subject to any lathe function cell influence, and greasy property is good, limit speed is high, noise is low, and rotating accuracy and rigidity are high, long service life.
In order to realize the object of foregoing invention, the utility model adopts following technological scheme:
A kind of sealing high-speed and low-noise angular contact ball main shaft bearing, comprises outer ring, inner ring, rolling element, retainer and Sealing.Described inner surface is provided with outer ring raceway, be provided with unequal straight rib footpath in outer ring raceway both sides, inner ring outer surface is provided with bear inner ring grooved railway, be set to straight rib footpath in a side of bear inner ring grooved railway, opposite side is set to inclined flange footpath, and the connected raceway groove fixed point in inclined flange footpath is arranged to the fore shaft of rolling element, and retainer is located between outer ring raceway and bear inner ring grooved railway, described retainer is provided with pocket groove, and described rolling element is located in pocket groove; On the both sides end face of described outer ring and the both sides end face of inner ring, be respectively equipped with outer ring draw-in groove and inner ring draw-in groove, described Sealing and outer ring draw-in groove are fitted and connected, with inner ring draw-in groove engagement connection, make Sealing respectively with outer ring and the inner ring formation confined space that is tightly connected.
The ditch Curvature Radius Coefficient of described outer ring raceway is 0.525, and the ditch Curvature Radius Coefficient of described bear inner ring grooved railway is 0.55.The sectional shape of described pocket groove is the grease layer being equipped with in cylindrical, described outer ring raceway and bear inner ring grooved railway.
Be divided into 15 according to the different wrapping angles of load
0with 25
0two kinds.
Described retainer is phenolic aldehyde rubberized fabric cage.
Described rolling element is plain bearing steel ball or the ceramic rolling element made for cubic boron material.
The skeleton of Sealing is Steel Skeleton, and shirt rim is rubber shirt rim, and so design had both prevented that grease from leaking, and can prevent that again impurity from entering.
Owing to having adopted technological scheme described above, the utlity model has following beneficial effect:
Inner ring and outer ring adopt special ditch curvature design, increase carrying rigidity, have improved running accuracy and bearing life.
Adopt phenolic aldehyde rubberized fabric cage, the sectional shape of retainer pocket groove is cylindrical, has improved greasy property.
Sealing and outer ring and inner ring form confined space, have both prevented that grease from leaking, and can prevent that again impurity from entering, and have well dustproof, anti-impurity effect.
According to load difference, can use different wrapping angles, optimize bearing mechanical property.
In outer ring raceway and bear inner ring grooved railway, be equipped with the grease layer being formed by lubricating grease, improved greasy property, reduced noise, improved limit speed and bearing life.
Accompanying drawing explanation
Fig. 1 is the utility model schematic diagram.
1-outer ring; 2-inner ring; 3-retainer; 4-rolling element; 5-Sealing.
Embodiment
In conjunction with Fig. 1, the sealing high-speed and low-noise angular contact ball main shaft bearing of the utility model design, comprises outer ring 1, inner ring 2, rolling element 4, retainer 3 and Sealing 5.
Described outer ring 1 internal surface is provided with outer ring raceway, be provided with unequal straight rib footpath in outer ring raceway both sides, inner ring 2 outer surfaces are provided with bear inner ring grooved railway, be set to straight rib footpath in a side of bear inner ring grooved railway, opposite side is set to inclined flange footpath, and the connected raceway groove fixed point in inclined flange footpath is arranged to the fore shaft of rolling element, and retainer 3 is located between outer ring raceway and bear inner ring grooved railway, described retainer 3 is provided with pocket groove, and described rolling element 4 is located in pocket groove; On the both sides end face of described outer ring 1 and the both sides end face of inner ring 2, be respectively equipped with outer ring draw-in groove and inner ring draw-in groove, described Sealing 5 is fitted and connected with outer ring draw-in groove, with inner ring draw-in groove engagement connection, make Sealing respectively with outer ring 1 and the inner ring 2 formation confined space that is tightly connected.
The sectional shape of described pocket groove is to be equipped with the grease layer being made up of lubricating grease in cylindrical, described outer ring 1 raceway groove and inner ring 2 raceway grooves, and respectively time, 12 and 11 places in Fig. 1, have improved greasy property, have reduced noise, have improved limit speed and bearing life.
The ditch Curvature Radius Coefficient of described outer ring 1 raceway groove is 0.525, and the ditch Curvature Radius Coefficient of described inner ring 2 raceway grooves is 0.55, is divided into 15 according to the different wrapping angles of load
0with 25
0two kinds, optimize the project organization of bearing, improve bearing rotating speed and working life.
Described retainer is phenolic aldehyde rubberized fabric cage.
The ceramic rolling element that the pottery that described rolling element 4 is cubic boron material is made.
The skeleton of Sealing 5 is Steel Skeleton, and shirt rim is shirt rim, rubber shirt rim, and Sealing 5 forms confined space with outer ring 1 and inner ring 2, and so design had both prevented that grease from leaking, and can prevent that again impurity from entering.
Claims (4)
1. a sealing high-speed and low-noise angular contact ball main shaft bearing, comprise outer ring (1), inner ring (2), retainer (3) rolling element (4) and Sealing (5), described outer ring (1) internal surface is provided with outer ring raceway, be provided with unequal straight rib footpath in outer ring raceway both sides, inner ring (2) outer surface is provided with bear inner ring grooved railway, be set to straight rib footpath in a side of bear inner ring grooved railway, opposite side is set to inclined flange footpath, the connected raceway groove fixed point in inclined flange footpath is arranged to the fore shaft of rolling element, retainer (3) is located between outer ring raceway and bear inner ring grooved railway, described retainer (3) is provided with pocket groove, described rolling element (4) is located in pocket groove, on the both sides end face of described outer ring (1) and the both sides end face of inner ring (2), be respectively equipped with outer ring draw-in groove and inner ring draw-in groove, described Sealing (5) is fitted and connected with outer ring draw-in groove, with inner ring draw-in groove engagement connection, make Sealing respectively with outer ring (1) and inner ring (2) the formation confined space that is tightly connected, it is characterized in that: the ditch Curvature Radius Coefficient of described outer ring raceway is 0.525, the ditch Curvature Radius Coefficient of described bear inner ring grooved railway is 0.55, the sectional shape of described pocket groove is cylindrical, in described outer ring raceway and bear inner ring grooved railway, be equipped with grease layer.
2. one seals high-speed and low-noise angular contact ball main shaft bearing according to claim 1, it is characterized in that: described retainer is phenolic aldehyde rubberized fabric cage.
3. one seals high-speed and low-noise angular contact ball main shaft bearing according to claim 1, it is characterized in that: described rolling element is the ceramic rolling element that cubic boron material is made.
4. one seals high-speed and low-noise angular contact ball main shaft bearing according to claim 1, it is characterized in that: the skeleton of Sealing is Steel Skeleton, and shirt rim is rubber shirt rim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320858434.6U CN203604434U (en) | 2013-12-24 | 2013-12-24 | Closed high-speed low-noise angular contact ball spindle bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320858434.6U CN203604434U (en) | 2013-12-24 | 2013-12-24 | Closed high-speed low-noise angular contact ball spindle bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203604434U true CN203604434U (en) | 2014-05-21 |
Family
ID=50717111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320858434.6U Expired - Lifetime CN203604434U (en) | 2013-12-24 | 2013-12-24 | Closed high-speed low-noise angular contact ball spindle bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203604434U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468717A (en) * | 2018-06-11 | 2018-08-31 | 哈尔滨轴承集团公司 | A kind of electro spindle composite ceramics bearing |
-
2013
- 2013-12-24 CN CN201320858434.6U patent/CN203604434U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468717A (en) * | 2018-06-11 | 2018-08-31 | 哈尔滨轴承集团公司 | A kind of electro spindle composite ceramics bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140521 |
|
| CX01 | Expiry of patent term |