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Manufacturing method of geological exploration drill

A technology of geological exploration and manufacturing method, which is applied in the application of ultra-high pressure process, etc., can solve the problem that the performance of geological exploration drill bit can not fully meet people's needs, and achieve good self-sharpening performance, good impact toughness, and high grinding efficiency. Effect

Inactive Publication Date: 2014-05-21
LIYANG JIANGDA TECH TRANSFER CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the performance of the geological exploration drill bit produced by utilizing the existing technology to manufacture the diamond composite sheet cannot fully meet people's needs, and people hope to obtain a manufacturing method for the geological exploration drill bit with better performance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A processing method of a geological exploration drill bit, the detailed steps of the method are as follows:

[0017] a. Raw material composition: represented by weight percentage, the raw material used is composed of 54% diamond powder and 46% titanium; wherein 54% of the diamond powder is composed of 40% W20 diamond powder, 35% W15 diamond powder and 25% % W5~7 diamond powder;

[0018] B, take by weighing diamond powder and titanium according to the raw material composition described in step a, add the boron that accounts for total raw material amount 0.37% in addition after mixing, its raw material and boron are packed in the carbon synthetic mould;

[0019] c. Then put the carbon composite mold with raw materials and boron into the vacuum furnace for 66 minutes; the vacuum degree in the vacuum furnace is 0.001Pa, and the temperature is 120°C;

[0020] d. Put the semi-finished product obtained in step b into a diamond six-sided top press for high temperature and high...

Embodiment 2

[0023] A processing method of a geological exploration drill bit, the detailed steps of the method are as follows:

[0024] a. Raw material composition: expressed in weight percentage, the raw material used is composed of 56% diamond powder and 44% titanium; wherein 56% of the diamond powder is composed of 40% W20 diamond powder, 35% W15 diamond powder and 25% % W5~7 diamond powder;

[0025] B, take by weighing diamond powder and titanium according to the raw material composition described in step a, add the boron that accounts for total raw material amount 0.35% in addition after mixing, its raw material and boron are packed in the carbon synthetic mould;

[0026] c. Then put the carbon composite mold with raw materials and boron into the vacuum furnace for 64 minutes; the vacuum degree in the vacuum furnace is 0.0009Pa, and the temperature is 100°C;

[0027] d. Put the semi-finished product obtained after vacuum heating in step b into a diamond six-sided top press for high-...

Embodiment 3

[0030] A processing method of a geological exploration drill bit, the detailed steps of the method are as follows:

[0031] a. Raw material composition: expressed in weight percentage, the raw material used is composed of 56% diamond powder and 44% titanium; wherein 56% of the diamond powder is composed of 40% W20 diamond powder, 35% W15 diamond powder and 25% % W5~7 diamond powder;

[0032] B, take by weighing diamond powder and titanium according to the raw material composition described in step a, add the boron B that accounts for 0.39% of total raw material amount in addition after mixing, its raw material and boron are packed in the carbon synthetic mould;

[0033] c. Then put the carbon composite mold with raw materials and boron into a vacuum furnace for 68 minutes; the vacuum degree in the vacuum furnace is 0.0012Pa, and the temperature is 150°C;

[0034] d. Put the semi-finished product obtained in step b into a diamond six-sided top press for high temperature and hi...

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Abstract

The invention discloses a manufacturing method of a geological exploration drill. The manufacturing method comprises the following steps: after uniformly mixing 52-56 percent of diamond powder and 44-48 percent of titanium according to proportion, adding a catalyst of which the weight is 0.35-0.39 percent of that of total materials, putting into a vacuum furnace to keep for 64-68 minutes; then, putting into a cubic synthetic diamond press to perform high-temperature high-pressure synthesis, after releasing pressure, covering on an alloy matrix to obtain a diamond compact, after machine-shaping, mounting on a drill rod to obtain the geological exploration drill. The geological exploration drill manufactured by the method is good in stability, good in impact toughness, high in abrasive resistance and low in abrasive ratio.

Description

technical field [0001] The invention relates to a method for manufacturing a geological exploration drill bit. Background technique [0002] At present, diamond composite sheets are widely used in geological exploration drill bits. Composite drill bits for geological survey and exploration, suitable for soft to medium hard rock formations. Diamond is known for its high hardness, high modulus of elasticity, and high thermal conductivity. At present, processing tools are mainly impregnated with single crystal diamond, and sintered polycrystalline diamond tools are booming. Sintered polycrystalline diamond is mainly a diamond composite sheet formed by a mixture of single crystal diamond particles and metal powder or by covering prefabricated alloy sheets on single crystal diamond particles. Polycrystalline Diamond Compound (PDC) has good wear resistance, thermal stability, compressive strength and impact toughness. However, the performance of the geological exploration dril...

Claims

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Application Information

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IPC IPC(8): B01J3/06
Inventor 张翠
Owner LIYANG JIANGDA TECH TRANSFER CENT
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