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Alloy drill bit for geological exploration

An alloy drill bit and geological exploration technology, applied in drill bits, drilling equipment, earthwork drilling and mining, etc., can solve the problems of insufficient wear resistance, poor bending strength and impact toughness, etc., to improve strength, improve wear resistance and reduce friction , The effect of improving the impact energy

Active Publication Date: 2015-08-19
QIDONG CHUANGLYU GREENING ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The matrix PDC drill bit prepared by the prior art generally cannot have all kinds of advantages, the bending strength and impact toughness are good, and the wear resistance is often not enough; while the matrix PDC bit with better wear resistance often has lower bending strength and impact toughness. Difference

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] An alloy drill bit for geological exploration, which is composed of a cutter head and a matrix, and the cutter head is prepared from the following raw materials in parts by weight:

[0022] 100 parts of steel powder, 30 parts of nickel powder, 20 parts of copper powder, 8 parts of modified silicon carbide, 6 parts of manganese powder, 4 parts of molybdenum powder, 4 parts of vanadium powder, 3 parts of tungsten carbide powder, 2 parts of modified kaolin, modified 2 parts of attapulgite, 1 part of nano-yttrium oxide, 1 part of nano-cerium oxide, 1 part of glass fiber, and 1 part of graphite fiber;

[0023] The particle diameter of described nano-yttrium oxide or nano-cerium oxide is 10nm; The diameter of described glass fiber or graphite fiber is 5um, and length is 50um; Steel powder, nickel powder, copper powder, manganese powder, molybdenum powder, vanadium powder and carbonization The particle size of tungsten powder is 200 mesh.

[0024] The preparation method of ab...

Embodiment 2

[0031] A cutter head matrix for an alloy drill bit for geological exploration, which is prepared from the following raw materials in parts by weight:

[0032] 100 parts of steel powder, 30 parts of nickel powder, 20 parts of copper powder, 8 parts of modified silicon carbide, 6 parts of manganese powder, 4 parts of molybdenum powder, 4 parts of vanadium powder, 3 parts of tungsten carbide powder, 2 parts of modified kaolin, modified 2 parts of attapulgite, 1 part of nano-yttrium oxide, 1 part of nano-cerium oxide, 1 part of glass fiber, and 1 part of graphite fiber;

[0033] The particle diameter of described nano-yttrium oxide or nano-cerium oxide is 10nm; The diameter of described glass fiber or graphite fiber is 5um, and length is 50um; Steel powder, nickel powder, copper powder, manganese powder, molybdenum powder, vanadium powder and carbonization The particle size of tungsten powder is 200 mesh.

[0034] The preparation method of above-mentioned cutter head carcass comp...

Embodiment 3

[0041] The performance test of the cutter head carcass material that the embodiment of the present invention 2 prepares:

[0042] Mechanical performance test: Bending strength (using WE-10B hydraulic universal testing machine), Rockwell hardness test (using Rockwell hardness tester) and wear ratio were tested; among them, the wear ratio test was carried out by using a grinding wheel to rub the carcass, and a stopwatch Time 180 seconds, check the quality of the grinding wheel and the carcass, and determine the wear ratio. The carcass adopts a size of 5mm×5mm×5mm; the grinding wheel is a silicon carbide grinding wheel. See Table 1 for details:

[0043] Table 1

[0044] Types of Bending strength / MPa Rockwell hardness Grinding wheel weight loss / g Carcass weight loss / g wear ratio Carcass of the present invention 1223 43 3.96 0.59 6.71 PDC bit matrix 1100 40 2.78 0.61 4.57

[0045] Through the comparison in ...

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PUM

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Abstract

The invention belongs to the field of machining and discloses an alloy drill bit for geological exploration. The alloy drill bit is composed of a cutter head and a base body. The cutter head is prepared, by weight, from 100 parts of steel powder, 30 parts of nickel powder, 20 parts of copper powder, 8 parts of modified silicon carbide, 6 parts of manganese powder, 4 parts of molybdenum powder, 3 parts of tungsten carbide powder, 2 parts of modified kaolin, 2 parts of modified attapulgite, 1 part of nanometer yttrium oxide, 1 part of nanometer cerium oxide, 1 part of glass fiber and 1 part of graphite fiber. The alloy drill bit for geological exploration has the good performance in bending strength, impact toughness, the wearing and tearing ratio and corrosion resistance.

Description

technical field [0001] The invention belongs to the field of mechanical processing and relates to an alloy drill bit for geological exploration. Background technique [0002] "Geological prospecting" is the investigation and research activity of conducting geological exploration and detection through various means and methods, determining the appropriate bearing layer, determining the foundation type and calculating the foundation parameters according to the foundation bearing capacity of the bearing layer. It is the discovery of mineral deposits with industrial significance in the general survey of mineral resources. In order to ascertain the quality and quantity of mineral products, as well as the technical conditions for mining and utilization, provide mineral reserves and geological data required for mine construction design, and analyze rocks and strata in a certain area. Conduct investigation and research work on geological conditions such as geology, structure, mine...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B10/46B22F1/00B22F7/06
Inventor 董庆康杜韦郝翰
Owner QIDONG CHUANGLYU GREENING ENG CO LTD
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