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Low-friction implementation method for radial ball bearing and shallow groove radial ball bearing

A centripetal ball and low-friction technology, applied to bearing components, shafts and bearings, rolling resistance optimization, etc., can solve problems such as high power consumption, high torque, and large temperature rise, and achieve reduced startup and friction torque and improved sensitivity , the effect of reducing friction

Inactive Publication Date: 2014-04-02
SHANGHAI F&S BEARING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The first purpose of the present invention is to provide a low-friction realization method for radial ball bearings, to solve the problem that the existing low-friction methods, such as blindly reducing the viscosity of grease or reducing the amount of grease, cannot make low friction meet the existing requirements, and will Technical issues that negatively affect the safe and reliable operation of bearings
[0005] The second purpose of the present invention is to provide a radial ball bearing to solve the technical problems of the prior art deep groove ball bearings such as large power consumption, high torque, large temperature rise, and insufficient sensitivity caused by insufficient friction

Method used

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  • Low-friction implementation method for radial ball bearing and shallow groove radial ball bearing
  • Low-friction implementation method for radial ball bearing and shallow groove radial ball bearing
  • Low-friction implementation method for radial ball bearing and shallow groove radial ball bearing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Example 1, a shallow groove radial ball bearing 6302 in a low temperature rise application

[0046] This occasion has a particularly high requirement on temperature rise, and the existing deep groove ball bearing 6302 cannot meet the requirements of the main engine through various technical measures. Therefore, it is necessary to use the corresponding shallow groove radial ball bearing 6302, and only the outer ring adopts a shallow groove design. The following table is the actual size comparison.

[0047] Technical parameters (nominal value)

[0048] D. 2 / mm

[0049] Shallow groove radial ball bearing 6302 only has a shallow groove design on the outer ring. Compared with deep groove ball bearing 6302, the rib diameter of the shallow groove outer ring is significantly increased, the groove diameter is slightly increased, and the groove depth is changed from the original 1.509mm Reduced to 1.188 mm, the groove depth coefficient dropped from the orig...

Embodiment 2

[0050] Embodiment 2, shallow groove radial ball bearing 6204 for a low energy consumption occasion

[0051] The deep groove ball bearing 6204 was originally used in this occasion, and the power consumption could not meet the requirements of the main engine. Although it was improved, the effect was not good. The use of the radial ball bearing 6204 with both the outer ring and the inner ring with shallow grooves solved this problem better. The realization method of the shallow groove is not to change the ring groove diameter and the ring rib diameter of the current deep groove ball bearing 6204, but to adopt the chamfering method of the groove edge. The actual parameters are shown in the following table.

[0052]

[0053]

[0054] The shallow groove radial ball bearing 6204 realizes the shallow groove design of the outer ring and the inner ring by chamfering the groove edge, and the deep groove ball bearing 6204 outer ring groove depth coefficient and inner ring groove dept...

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Abstract

The invention relates to a shallow groove radial ball bearing which comprises an outer ring, an inner ring, balls embedded between an outer ring groove and an inner ring groove, and retainers for uniformly isolating the balls along the circumferential direction, wherein a groove depth coefficient, namely, a ratio of the depth of the groove of the outer ring or / and the inner ring to the radius of each ball is smaller than that of a corresponding deep groove ball bearing; the reduction of the depth of the groove is generally implemented by adjusting the diameter of a stop edge of a ferrule or a chamfer at a groove edge. According to the shallow groove radial ball bearing, the groove depth is reduced, and the containment friction area of a ferrule groove to each ball is diminished; the shallow groove radial ball bearing is very favorable for the reduction of the energy consumption of the bearing, starting of friction torque, running of the friction torque, temperature rising, improvement of the running sensitivity and the like and is an important measure for a friction reduction design, a sensitivity design and a green design of a rolling bearing; the shallow groove radial ball bearing has very important engineering practical significance.

Description

technical field [0001] The invention relates to the technical field of special rolling bearings, in particular to a low-friction realization method of a radial ball bearing and a shallow-groove radial ball bearing whose ferrule groove depth is shallower than that of the existing deep-groove ball bearing. Background technique [0002] Among all types of rolling bearings, single row radial ball bearings are the most widely used and used in the largest amount. The current single row radial ball bearings are designed with deep grooves, so they are called Deep Groove Ball Bearings (abbreviated as DGBB), so , Deep groove ball bearings have almost become synonymous with radial ball bearings. Deep groove ball bearings certainly have their advantages, for example, the overall mechanical strength of the ring is increased, the axial bearing capacity of the bearing is larger, and so on. [0003] However, as the main engine develops in the direction of high speed, light weight, low fric...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C33/58
CPCY02T10/86
Inventor 赵联春赵思澄陈淑英
Owner SHANGHAI F&S BEARING TECH
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