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Honing abrasive belt

A sand bar and honing technology, which is applied in the direction of honing tools, etc., can solve the problems that restrict the promotion of advanced honing technology and the quality of the sand bar is backward, and achieve the effect of regular texture, good lubrication effect and reasonable ratio

Active Publication Date: 2011-11-02
GKN ZHONGYUAN CYLINDER LINER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the past few decades, in the cylinder liner manufacturing industry, the inner hole honing process has been greatly developed, but the quality of the sand bar used in the cylinder liner honing process in China still lags behind that of foreign countries, which restricts the promotion of advanced honing technology

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A kind of honing sand bar, is made of bonding agent and abrasive material, wherein, described bonding agent is made up of following volume percentage raw material: zinc powder 10%, cobalt powder 30%, copper powder 35% and silver powder 25% (each raw material The particle size is about 100 microns); the abrasive is Ni-coated self-sharpening artificial diamond particles with a particle size of D76, and the abrasive content is 9% of the volume of the binder (that is, the diamond concentration is 35%).

[0023] The abrasive material used for the above-mentioned honing sand bar is a diamond-coated product produced by Henan Feimeng Diamond Industry Co., Ltd. The preparation method of the honing sand bar is: mix the binder and the abrasive material in proportion, press them into shape with a press, and then heat them at 650 ° C. The left and right sides are sintered to obtain a sand bar with a length of 100 mm, a width of 6 mm and a height of 2 mm.

Embodiment 2

[0025] A kind of honing sand bar, is made of bonding agent and abrasive material, wherein, described bonding agent is made up of following volume percentage raw material: zinc powder 5%, cobalt powder 40%, copper powder 25% and silver powder 30% (each raw material The particle size is about 100 microns); the abrasive is Ni-coated self-sharpening artificial diamond particles with a particle size of D91, and the abrasive content is 9% of the volume of the binder (that is, the diamond concentration is 35%). The preparation method refers to Example 1, and the geometric shape of the obtained sand bar is: 100mm×6mm×2mm.

Embodiment 3

[0027] A kind of honing sand bar, is made of bonding agent and abrasive material, wherein, described bonding agent is made up of following volume percentage raw material: zinc powder 14%, cobalt powder 55%, copper powder 15% and silver powder 16% (each raw material The particle size is about 200 microns); the abrasive is Ni-coated self-sharpening artificial diamond particles with a particle size of D181, and the abrasive content is 13% of the volume of the binder (that is, the diamond concentration is 50%). The preparation method refers to Example 1, and the geometric shape of the obtained sand bar is: 100mm×6mm×3mm.

[0028] Use emery bar of the present invention and carry out honing result comparison with common emery bar in Table 1. It can be seen from Table 1 that the core roughness Rk is small, the valley bottom reduction Rvk is large, the oil storage capacity is large, and the honing effect is good.

[0029]

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Abstract

The invention relates to a honing abrasive belt which is made of an adhesive and a grinding material, wherein the adhesive consists of the following raw materials in percentage by volume: 5-15 percent of zinc powder, 30-60 percent of cobalt powder, 10-35 percent of copper powder and 15-30 percent of silver powder; the grinding material is self-sharpening artificial diamond particles on which Ni coatings are plated; the particles have particle diameters of D76-D181; and the grinding material content is 3-15 percent of the adhesive in volume. In the abrasive belt, the adhesive belt with a reasonable proportion is selected and used; the hardness of the manufactured honing abrasive belt reaches HB40-60; and the honing abrasive belt has a good application effect. The geometric dimensions of the abrasive belt are as follows: the length is 100-200mm, the width is 1.5-6mm and the height is 6mm; and a reticulated pattern of a cylinder liner which meets the European VI emission standard can be processed.

Description

technical field [0001] The invention relates to a sand bar, in particular to a honing sand bar used in a cylinder liner honing process. Background technique [0002] The quality of the sand bar is the most important factor affecting the pass rate of the cylinder liner texture. In the past few decades, in the cylinder liner manufacturing industry, the inner hole honing process has been greatly developed, but the quality of the sand bar used in the cylinder liner honing process in China is still behind that of foreign countries, which restricts the promotion of advanced honing technology. The invention is a novel honing sand bar for a cylinder liner that can meet the Euro VI emission standard. Contents of the invention [0003] The purpose of the present invention is to provide a novel honing abrasive strip for cylinder liners that can meet Euro VI emission standards. [0004] To achieve the above object, the present invention adopts the following technical solutions: ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B33/08
Inventor 王海军行松涛黄洪岭李军郭鹏鹏吴福亮杨国敏赵娜
Owner GKN ZHONGYUAN CYLINDER LINER CO LTD
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