Roller bearing with microstructures on surfaces of roller ways and lubricating method of roller bearing

A roller bearing and micro-texture technology, which is applied in the direction of shafts and bearings, bearing components, mechanical equipment, etc., can solve the problem that the surface texture structure is not suitable for roller bearings, achieve improved lubrication effect, improve physical properties, improve Effect of wear resistance and fatigue resistance

Inactive Publication Date: 2019-10-11
GUANGZHOU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned surface texture structure is not suitable for roller bearings, nor can it bring be

Method used

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  • Roller bearing with microstructures on surfaces of roller ways and lubricating method of roller bearing
  • Roller bearing with microstructures on surfaces of roller ways and lubricating method of roller bearing
  • Roller bearing with microstructures on surfaces of roller ways and lubricating method of roller bearing

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0029] Example 1

[0030] See Figure 1-3 , The roller bearing with a micro-textured raceway surface in this embodiment includes a bearing inner ring 1, a bearing outer ring 2, and a rolling element 3 arranged between the bearing inner ring 1 and the bearing outer ring 2; wherein, The raceway surface of the bearing inner ring 1 and the raceway surface of the bearing outer ring 2 are both provided with a reinforced abrasive layer, and the surface of the reinforced abrasive layer is provided with a micro-textured structure; the micro-textured structure consists of multiple edges The vertical strip-shaped grooves 4 uniformly arranged in the circumferential direction are formed, and the extending direction of the vertical strip-shaped grooves 4 is parallel to the axial direction of the bearing.

[0031] See Figure 1-3 The cross section of the vertical strip-shaped groove 4 is "V" shaped.

[0032] See Figure 4-6 , F 1 , F 2 Is the contact stress of the "V"-shaped groove, and the magnit...

Example Embodiment

[0054] Example 2

[0055] In a preferred solution of the present invention, the cross section of the vertical strip-shaped groove 4 is an arc, and the arc is an inferior arc.

[0056] Further, the cross section of the vertical strip-shaped groove 4 may be a circular arc shape, an elliptical arc shape, a parabolic shape or other high-order curved arc shapes.

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Abstract

The invention discloses a roller bearing with microstructures on the surfaces of roller ways and a lubricating method of the roller bearing. The bearing comprises a bearing inner ring, a bearing outerring and a rolling body arranged between the bearing inner ring and the bearing outer ring; the surface of the roller way of the bearing inner ring and the surface of the roller way of the bearing outer ring are each provided with a reinforced grinding layer, and the surfaces of the reinforced grinding layers are provided with the microstructures; the microstructures are composed of a plurality of vertical strip-shaped grooves which are uniformly formed in the circumferential direction; and the extending direction of the vertical strip-shaped grooves is parallel to the axial direction of thebearing. The vertical strip-shaped micro grooves are formed in the surfaces of the roller ways of the roller bearing, and on the basis of the vertical strip-shaped micro grooves, the self-lubricatingperformance and the anti-load capacity can be effectively improved, and the service life also can be prolonged.

Description

technical field [0001] The invention relates to a rolling bearing, in particular to a roller bearing with a micro-texture on the raceway surface and a lubrication method thereof. Background technique [0002] Bearings are the core components of mechanical equipment, and domestic bearings often have a large gap with foreign countries in terms of performance and service life. Severe friction and wear will not only reduce their service life, but also directly affect the overall operation safety and quality of major equipment. service life. Among them, roller bearings have the advantages of large load bearing and small friction coefficient, and are suitable for occasions with high-speed rotation and large radial force, such as high-speed rail, mining machinery, textile machinery, steel and ships, etc. [0003] With the continuous improvement of manufacturing technology, in order to further optimize the physical properties of bearings (load capacity, wear resistance and friction...

Claims

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Application Information

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IPC IPC(8): F16C33/58F16C33/66F16C33/62
CPCF16C33/585F16C33/62F16C33/664
Inventor 刘晓初朱锐谢鑫成刘镇段伟建黄建枫高伟林
Owner GUANGZHOU UNIVERSITY
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