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Preparation method of marble cutter head and matrix material used

A carcass material and marble technology, applied in the field of diamond tools, can solve the problems of expensive silver solder, high product cost, low welding temperature, etc., and achieve the effects of low welding cost, excellent power consumption and service life, and great market prospects

Active Publication Date: 2017-10-24
泉州众志金刚石工具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For traditional marble cutter heads, the sintering temperature of the matrix material of the diamond segment is 680-720°C, which requires low welding temperature, and only silver welding process can be used in the welding stage, and silver solder is expensive, and the product cost is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A kind of preparation method of diamond nodule of the present invention is realized by following steps:

[0023] 1. Prepare the matrix material: the matrix material is mainly composed of 15% Cu-Zn-Sn alloy powder, 15% Cu powder and 70% Cu-Co-Fe alloy powder. The particle size of the above-mentioned various powders is 100 -400 mesh; Weigh Cu-Zn-Sn alloy powder, Cu powder and Cu-Co-Fe alloy powder according to the above weight percentage, and mix with a three-dimensional mixer for 40-60min to obtain a matrix material;

[0024] 2. Prepare the diamond: Mix the diamond with a particle size of 25 / 30-70 / 80 with a three-dimensional mixer for 15-30 minutes;

[0025] 3. Mix the above-mentioned uniformly mixed diamond with the above-mentioned uniformly mixed carcass material according to the weight percentage of diamond 15-30% and carcass material 85-70% to obtain a mixture, and use the weight of the mixture as the base Add 6 / kg of paraffin to fully wet the mixture;

[0026] 4. ...

Embodiment 2

[0040] A kind of preparation method of diamond nodule of the present invention is realized by following steps:

[0041] 1. Prepare the matrix material: the matrix material is mainly composed of 25% Cu-Zn-Sn alloy powder, 25% Cu powder and 50% Cu-Co-Fe alloy powder. The particle size of the above-mentioned various powders is 100 -400 mesh; Weigh Cu-Zn-Sn alloy powder, Cu powder and Cu-Co-Fe alloy powder according to the above weight percentage, and mix with a three-dimensional mixer for 40-60min to obtain a matrix material;

[0042] 2. Prepare the diamond: Mix the diamond with a particle size of 25 / 30-70 / 80 with a three-dimensional mixer for 15-30 minutes;

[0043] 3. Mix the above-mentioned uniformly mixed diamond with the above-mentioned uniformly mixed carcass material according to the weight percentage of diamond 15-30% and carcass material 85-70% to obtain a mixture, and use the weight of the mixture as the base Add 8 / kg of paraffin to fully wet the mixture;

[0044] 4. ...

Embodiment 3

[0058] A kind of preparation method of diamond nodule of the present invention is realized by following steps:

[0059]1. Prepare the matrix material: the matrix material is mainly composed of 20% Cu-Zn-Sn alloy powder, 20% Cu powder and 60% Cu-Co-Fe alloy powder. The particle size of the above-mentioned various powders is 100 -400 mesh; Weigh Cu-Zn-Sn alloy powder, Cu powder and Cu-Co-Fe alloy powder according to the above weight percentage, and mix with a three-dimensional mixer for 40-60min to obtain a matrix material;

[0060] 2. Prepare the diamond: Mix the diamond with a particle size of 25 / 30-70 / 80 with a three-dimensional mixer for 15-30 minutes;

[0061] 3. Mix the above-mentioned uniformly mixed diamond with the above-mentioned uniformly mixed carcass material according to the weight percentage of diamond 15-30% and carcass material 85-70% to obtain a mixture, and use the weight of the mixture as the base Add 10 / kg of paraffin to fully wet the mixture;

[0062] 4. ...

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Abstract

The invention discloses a preparation method of a marble cutter head and the used matrix material. In the present invention, the matrix material of the diamond segment in the marble cutter head is mainly composed of Cu-Zn-Sn alloy powder, Cu powder and Cu-Sn alloy powder. Made of Co-Fe alloy powder, the low-melting-point metal components Sn and Zn content in this carcass material is low, the sintering temperature is high, up to 820-860 ° C, the welding stage can adapt to the brazing process, and the blade does not expand during the welding process , No burning deformation, low welding cost, the product has a cost competitive advantage, and the market prospect is great. The marble cutter head prepared by the method of the present invention has a flexural strength of 1000-1400MPa and a hardness of 80-95HRB according to test measurements. When tested with a bridge cutting test machine, the power consumption is 6-7KW and the service life can reach 20-24m2 / mm, power consumption and lifespan are superior to existing marble cutter heads.

Description

technical field [0001] The invention relates to the field of diamond tools, in particular to a method for preparing a marble cutter head and a used matrix material. Background technique [0002] The carcass is the metal sintered body of diamond. The function of the carcass is to hold the diamond so that it can cut and not fall off prematurely. For traditional marble cutter heads, the sintering temperature of the matrix material of the diamond segment is 680-720°C, which requires low welding temperature. Only silver welding process can be used in the welding stage, and silver solder is expensive, and the product cost is high. Contents of the invention [0003] The purpose of this invention is to provide a preparation method of marble cutter head, the sintering temperature of the diamond nodule of the marble cutter head prepared by this method is 820-860 ℃, the welding stage can adapt to the brazing process, and the cost is low. [0004] Another object of the present invent...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F7/06B22F1/00C22C30/06
Inventor 袁兵云杨宏王政万庆松
Owner 泉州众志金刚石工具有限公司
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