CN101435464A - Novel dish type nylon retainer bidirectional thrust force angular contact ball bearing - Google Patents
Novel dish type nylon retainer bidirectional thrust force angular contact ball bearing Download PDFInfo
- Publication number
- CN101435464A CN101435464A CNA2008102299154A CN200810229915A CN101435464A CN 101435464 A CN101435464 A CN 101435464A CN A2008102299154 A CNA2008102299154 A CN A2008102299154A CN 200810229915 A CN200810229915 A CN 200810229915A CN 101435464 A CN101435464 A CN 101435464A
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- CN
- China
- Prior art keywords
- retainer
- cage
- steel ball
- ball bearing
- ball
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Rolling Contact Bearings (AREA)
Abstract
The invention belongs to the technical field of bearings, and relates to a novel bidirectional thrust angular-contact ball bearing with a disc-type nylon cage, which consists of an outer ring, inner rings, a steel ball, the cage and a spacer ring, wherein the outer ring and the inner rings are connected through the steel ball; two inner rings are connected through the spacer ring; the steel ball is arranged in the cage; the cage is made of engineering plastic nylon; a ball pocket of the cage consists of a spherical surface, a corresponding spherical surface, a cylindrical surface and a corresponding cylindrical surface; and the spherical surface and the corresponding spherical surface are equal in curvature. The ball bearing has the advantages that the bearing is resistant to repeated impact shock, reduces the shock noise of hosts, and is strong in cage shock absorbency, good in wear-resisting property, low in friction coefficient and excellent in self-lubricity.
Description
Technical field
The invention belongs to technical field of bearings, relate to the novel dish type nylon retainer bidirectional thrust force angular contact ball bearing, be applied to machine tool field such as accurate digital control milling machine, boring machine, machining center.
Background technique
Along with the continuous development of China's machine industry, especially machine tool structure is brought in constant renewal in, and the required precision of main shafts such as some accurate digital control milling machines, boring machine, machining center is more and more higher, and noise is more and more lower.The old airframe bearing that supports accurate main shaft has been difficult to satisfy the requirement of the highi degree of accuracy of lathe, low friction, low noise.
At the requirement of accurate main shaft, invent a kind of novel dish type nylon retainer bidirectional thrust force angular contact ball bearing, overcome the shortcoming of old infrastructure product, adapt to the demand in precision machine tool field.
Summary of the invention
The purpose of this invention is to provide the novel dish type nylon retainer bidirectional thrust force angular contact ball bearing, this bearing wear-resisting property is good, and friction factor is low, and self lubricity is good.
Technical solution of the present invention is: the novel dish type nylon retainer bidirectional thrust force angular contact ball bearing, form by outer ring 1, inner ring 2, steel ball 3, retainer 4, spacer ring 5, outer ring 1 is connected by steel ball 3 with inner ring 2, two inner rings 2 are connected by spacer ring 5, steel ball 3 is located in the retainer 4, and retainer 4 is made for engineering plastic nylon; The ball pocket hole of retainer 4 is made up of sphere 6 and corresponding sphere 7 and cylndrical surface 8 and corresponding circle cylinder 9, and the curvature of sphere 6 and corresponding sphere 7 equates.Hold frame and make steel ball in retainer pocket hole, go slick, improve steady, the flexibility of running of bearing, reduce frictional force and noise.The retainer complex structure, suitable with the gap of Internal and external cycle, the containing amount of steel ball is big, and wall thickness makes the contraction of nylon bracket even uniformly.Design the ball pocket forms that two sections spheres and two sections cylinders are formed, satisfy nylon bracket and pull out and touch and Shooting Technique.Reasonably the pocket hole is made up of two sections spheres, two sections cylndrical surface, and reasonably curvature and off-centre are suitable to guarantee dress ball hold depth.
The invention has the beneficial effects as follows that the anti-repeated stock vibrations of bearing have reduced the main frame vibrating noise, the frame absorbing is strong.The bearing wear-resisting property is good, and friction factor is low, and self lubricity is good, and effective contact that has both guaranteed retainer and raceway also makes rolling element go slick in retainer pocket hole, steadily, flexibly simultaneously, thereby realizes the low friction of product, low noise requirement.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is a structural representation of the present invention.
Fig. 2 looks schematic representation for novel dish type nylon retainer structure master of the present invention.
Fig. 3 is a novel dish type nylon retainer structure schematic side view of the present invention.。
Fig. 4 is a novel dish type nylon retainer structure pocket of the present invention hole zoomed-in view schematic representation.
Among the figure, 1, the outer ring, 2, inner ring, 3, steel ball, 4, retainer, 5, spacer ring, 6, sphere, 7, corresponding sphere, 8, the cylndrical surface, 9, the corresponding circle cylinder.
Embodiment
Shown in Fig. 1-4, the present invention is made up of outer ring 1, inner ring 2, steel ball 3, retainer 4, spacer ring 5, and outer ring 1 is connected by steel ball 3 with inner ring 2, and two inner rings 2 are connected by spacer ring 5, and steel ball 3 is located in the retainer 4, and retainer 4 is made for engineering plastic nylon; The ball pocket hole of retainer 4 is made up of sphere 6 and corresponding sphere 7 and cylndrical surface 8 and corresponding circle cylinder 9, and the curvature of sphere 6 and corresponding sphere 7 equates.This project is now finished, now is applied on the Kunming lathe Co., Ltd high-speed milling machine main shaft, and runnability is good.Install nearly half a year, steady quality, noise is low, satisfies user's usage requirement fully.
Claims (1)
1, novel dish type nylon retainer bidirectional thrust force angular contact ball bearing, form by outer ring (1), inner ring (2), steel ball (3), retainer (4), spacer ring (5), outer ring (1) is connected by steel ball (3) with inner ring (2), two inner rings (2) are connected by spacer ring (5), steel ball (3) is located in the retainer (4), it is characterized in that retainer (4) is made for engineering plastic nylon; The ball pocket hole of retainer (4) is made up of sphere (6) and corresponding sphere (7) and cylndrical surface (8) and corresponding circle cylinder (9), and the curvature of sphere (6) and corresponding sphere (7) equates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102299154A CN101435464A (en) | 2008-12-15 | 2008-12-15 | Novel dish type nylon retainer bidirectional thrust force angular contact ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102299154A CN101435464A (en) | 2008-12-15 | 2008-12-15 | Novel dish type nylon retainer bidirectional thrust force angular contact ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101435464A true CN101435464A (en) | 2009-05-20 |
Family
ID=40710048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008102299154A Pending CN101435464A (en) | 2008-12-15 | 2008-12-15 | Novel dish type nylon retainer bidirectional thrust force angular contact ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101435464A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150526A (en) * | 2017-12-26 | 2018-06-12 | 新昌县江北轴承有限公司 | A kind of high heat dissipation bidirectional angular contact thrust ball bearing of lathe |
-
2008
- 2008-12-15 CN CNA2008102299154A patent/CN101435464A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150526A (en) * | 2017-12-26 | 2018-06-12 | 新昌县江北轴承有限公司 | A kind of high heat dissipation bidirectional angular contact thrust ball bearing of lathe |
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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 | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20090520 |