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Assembly chamfer structure for bearing

A technology of chamfering structure and bearing assembly, which is applied in the direction of bearing components, shafts and bearings, mechanical equipment, etc., can solve the problems of easily scratched bearing seat holes or shafts, difficult processing, sharp transition of surface change, etc., and achieve good processing economy Sex, good appearance, good fit effect

Inactive Publication Date: 2019-05-03
ZHEJIANG HUANYU BEARING
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For straight line chamfering and pure arc chamfering, the transition between the chamfer and the inner hole of the ring or the surface of the outer cylinder is relatively sharp, which cannot guide the bearing during installation, and is easy to scratch the bearing seat hole or shaft; When combined with a straight line, if the angle or size design is unreasonable, it will also have the same disadvantages as the straight line chamfer and pure arc chamfer; other more complex chamfer structures will easily lead to processing difficulties

Method used

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  • Assembly chamfer structure for bearing
  • Assembly chamfer structure for bearing
  • Assembly chamfer structure for bearing

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Embodiment Construction

[0007] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

[0008] like figure 1 As shown, a bearing assembly chamfer structure is composed of axial hypotenuse, circular arc and radial hypotenuse. The end face of the ring is at an angle of 30°, the middle arc is tangent to the two hypotenuses, and the radius of the arc is equal to r smin or r 1smin , the axial coordinate of the chamfer is r smin / r 1smin +0.7A, the axial coordinate value of the chamfer is r smin / r 1smin +0.5R, where A is the difference between the maximum value of the axial chamfer minus the minimum value, and R is the difference between the maximum value of the radial chamfer minus the minimum value. Since the ferrule is easily deformed during heat treatment, it is easy to cause the size of the chamfer to exceed the standard. In the prior art, it is basically handled by experience, and quantitative analysis cannot be carried out. The ...

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Abstract

The invention discloses an assembly chamfer structure for a bearing. The assembly chamfer structure consists of an axial bevel edge, a circular arc and a radial bevel edge, wherein the axial bevel edge forms an angle of 15 degrees with an inner hole of a ring or the surface of an outer cylinder; the radial bevel edge forms an angle of 30 degrees with an end surface of the ring; and the circular arc in the middle are tangent with the two bevel edges. According to the assembly chamfer structure for the bearing, even if the bearing is quenched and distorted during machining, a chamfer still has arelatively long guide segment, which can guide the bearing to be quickly and correctly mounted or dismounted without damaging a bearing saddle bore or shaft.

Description

Technical field: [0001] The invention relates to a bearing assembly chamfering structure. Background technique: [0002] The existing bearing chamfering standards only specify the maximum and minimum values ​​of the chamfering size, and do not specify the exact shape of the chamfering surface, which can be a combination of arcs, straight lines or arcs and straight lines. For linear chamfering and pure arc chamfering, the transition between the chamfer and the inner hole of the ferrule or the surface of the outer cylinder is relatively sharp, which cannot guide the bearing during installation, and is easy to scratch the bearing seat hole or shaft; When combined with a straight line, if the angle or size design is unreasonable, it will also have the disadvantages of straight line chamfering and pure arc chamfering; other more complex chamfering structures will easily lead to processing difficulties. Invention content: [0003] The technical problem to be solved by the prese...

Claims

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Application Information

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IPC IPC(8): F16C33/00
Inventor 罗庆周建亮杨裕法程水良
Owner ZHEJIANG HUANYU BEARING
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