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Method for manufacturing marble cutter bit and matrix material adopted for same

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

Active Publication Date: 2015-01-21
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

[0023] The method for preparing a novel diamond segment of the present invention is achieved through the following steps:

[0024] 1. Prepare the carcass material: The carcass 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 in the above weight ratio, and mix for 40-60min with a three-dimensional mixer to obtain a matrix material;

[0025] 2. Preparing diamonds: Mix diamonds with a particle size of 25 / 30—70 / 80 with a three-dimensional mixer for 15-30 minutes;

[0026] 3. Mix the above-mentioned uniformly mixed diamond and the above-mentioned uniformly mixed matrix material in a weight ratio of 15-30% diamond and 85-70% matrix material to obtain a mixture, and the weight of the mixture is the base Add 6 / kg of paraffin to fully wet the mixture;

[0027] 4. Mix the mixture of the above-mentioned ...

Embodiment 2

[0041] The method for preparing a novel diamond segment of the present invention is achieved through the following steps:

[0042] 1. Prepare the carcass material: The carcass 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 ratio, and mix with a three-dimensional mixer for 40-60 minutes to obtain a matrix material;

[0043] 2. Preparing diamonds: Mix diamonds with a particle size of 25 / 30—70 / 80 with a three-dimensional mixer for 15-30 minutes;

[0044] 3. Mix the above-mentioned uniformly mixed diamond and the above-mentioned uniformly mixed matrix material in a weight ratio of 15-30% diamond and 85-70% matrix material to obtain a mixture, and the weight of the mixture is the base Add 8 / kg of paraffin wax to fully wet the mixture;

[0045] 4. Mix the mixture of t...

Embodiment 3

[0059] The method for preparing a novel diamond segment of the present invention is achieved through the following steps:

[0060] 1. Prepare the carcass material: The carcass 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 ratio, and mix with a three-dimensional mixer for 40-60 minutes to obtain a matrix material;

[0061] 2. Preparing diamonds: Mix diamonds with a particle size of 25 / 30—70 / 80 with a three-dimensional mixer for 15-30 minutes;

[0062] 3. Mix the above-mentioned uniformly mixed diamond and the above-mentioned uniformly mixed matrix material in a weight ratio of 15-30% diamond and 85-70% matrix material to obtain a mixture, and the weight of the mixture is the base Add 10 / kg of paraffin to fully wet the mixture;

[0063] 4. Mix the mixture of the ...

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Abstract

The invention discloses a method for manufacturing a marble cutter bit and a matrix material adopted for the method for the manufacturing the marble cuter bit. The matrix material of a diamond section in the marble cutter bit mainly comprises Cu-Zn-Sn alloy powder, Cu powder and Cu-Co-Fe alloy powder. The content of the low-melting-point metal component Sn and the content of low-melting-point metal component Zn in the matrix material are low, and the sintering temperature is high and can reach 820 DEG C and 860 DEG C. In the welding stage, the matrix material can be adaptive to the brazing technology, the cutter bit does not expand and is free of burning loss deformation and low in welding cost in the welding process, and the cutter bit has the cost competitive advantage and is broad in market prospect. Tests show that the bending strength of the marble cutter bit manufactured with the method ranges from 1000 Mpa to 1400 Mpa, and the hardness of the marble cutter bit manufactured with the method ranges from 80 HRB to 95 HRB; tests with a bridge cutting testing machine show that the power consumption ranges from 6 KW to 7 KW, the service life of the marble cutter bit can be 20 to 24 m<2> / mm, and compared with an exiting marble cutter bit, the marble cutter bit manufactured with the method has the advantages that the power consumption is lower and the service life is longer.

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 role of the carcass is to hold the diamond so that it can cut it without falling 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 the silver welding process can be used in the welding stage. Silver solder is expensive and the product cost is high. Summary of the invention [0003] The purpose of the present invention is to provide a method for preparing a marble cutter head. The sintering temperature of the diamond segment of the marble cutter head prepared by this method is 820-860 DEG C. The welding stage can be adapted to the brazing process and the cost is low. [0004] Another object of the present...

Claims

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Application Information

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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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