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A diamond backer

A diamond and backing technology, applied in metal processing equipment, welding equipment, ultra-finishing machines, etc., can solve problems such as short life and easy slipping

Active Publication Date: 2019-08-13
宁波红岱工具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the common backer is the alloy backer, which is welded alloy on the substrate, and the alloy is used to drive the bearing ring to rotate, which does not slip but has a short life; in order to prolong the service life of the backer, some manufacturers use the diamond backer instead of the alloy backer. And this kind of diamond backing is to weld artificial diamond on the substrate, and use diamond grinding wheel to grind the diamond. Although the diamond is wear-resistant, its surface is smooth and easy to slip

Method used

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  • A diamond backer

Examples

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Effect test

Embodiment 1

[0026] Embodiment 1: a kind of production technique of producing above-mentioned diamond backer, comprises the following steps:

[0027] (1) Process the substrate, the substrate is preferably an iron substrate, and the size of the substrate corresponds to the size of the corresponding bearing;

[0028] (2) Heat treatment, using high-frequency heat treatment, heating to 750°-850°, putting it into heat treatment oil for rapid cooling;

[0029] (3) Welding diamond with high-frequency silver brazing;

[0030] (4) Cylindrical grinding of the substrate;

[0031] (5) Check the beating of the diamond based on the diamond backing reference plane;

[0032] (6) Electromachining the diamond surface, using electric pulse processing, installing an electric spindle on the electric pulse workbench, and then installing the diamond backer on the electric spindle, the electric spindle and the electrodes are perpendicular to each other, the electric spindle Rotate at a constant speed of 3-10 r...

Embodiment 2

[0036] Embodiment 2: Compared with Embodiment 1, the heat treatment method is different, and the others are the same.

[0037] A production process for producing the above-mentioned diamond backer, comprising the following steps:

[0038] (1) Process the substrate, the substrate is preferably an iron substrate, and the size of the substrate corresponds to the size of the corresponding bearing;

[0039] (2) Heat treatment, heat treatment in resistance furnace, constant temperature between 750°-850° for 30 minutes, put in 200° heat treatment oil for rapid cooling;

[0040] (3) Welding diamond with high-frequency silver brazing;

[0041] (4) Cylindrical grinding substrate;

[0042] (5) Check the beating of the diamond based on the diamond backing reference plane;

[0043] (6) Electromachining the diamond surface, using electric pulse processing, installing an electric spindle on the electric pulse workbench, and then installing the diamond backer on the electric spindle, the e...

Embodiment 3

[0047] Embodiment 3: Compared with Embodiment 1, the electrical processing method is different, and the others are the same.

[0048] A production process for producing the above-mentioned diamond backer, comprising the following steps:

[0049] (1) Process the substrate, the substrate is preferably an iron substrate, and the size of the substrate corresponds to the size of the corresponding bearing;

[0050] (2) Heat treatment, using high-frequency heat treatment, heating to 750°-850°, putting it into heat treatment oil for rapid cooling;

[0051] (3) Welding diamond with high-frequency silver brazing;

[0052] (4) Cylindrical grinding substrate;

[0053] (5) Check the beating of the diamond based on the diamond backing reference plane;

[0054] (6) Electric machining of the diamond surface is done by wire cutting. An electric spindle is installed on the wire cutting table, and then the diamond backing is mounted on the electric spindle. The electric spindle and the molybd...

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Abstract

The invention discloses a diamond backer and a production process thereof. The diamond backer comprises a basal body and a diamond arranged on the basal body, wherein the outer surface of the diamond is provided with a rough layer. The diamond backer manufactured by the production process is long in service life, and is not liable to slip.

Description

technical field [0001] The invention relates to the technical field of superfinishing process of bearings, in particular to a diamond backer and a production process of the diamond backer. Background technique [0002] In the bearing manufacturing process, superfinishing is the last process of bearing ring processing. It can reduce or eliminate the circular deviation left by grinding, repair the shape error of the groove, refine its surface roughness, and improve the physical and mechanical properties of the surface. , It plays an important role in reducing the vibration and noise of the bearing and improving the life of the bearing. [0003] When superfinishing the bearing ring, it is necessary to use the backing to play the role of transmission and end face positioning of the bearing ring to be processed. [0004] At present, the common backer is the alloy backer, which is welded alloy on the substrate, and the alloy is used to drive the bearing ring to rotate, which does...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B35/00B24B1/00B23K1/19B23H7/02B23H1/00C21D1/00
CPCB23H1/00B23H7/02B23K1/19B24B1/00B24B35/00C21D1/00
Inventor 杜俊明
Owner 宁波红岱工具有限公司