Diamond positioning and arrangement impregnated rock bit and fabrication technology thereof

A diamond and drill bit technology, applied in drill bits, earth-moving drilling, drilling equipment, etc., can solve the problems of insufficient application of diamond, affecting the efficiency and life of the drill bit, and achieve a simple and reliable manufacturing process, improving life and drilling efficiency. , life and efficiency to maintain a stable effect

Inactive Publication Date: 2008-10-15
CENT SOUTH UNIV
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Problems solved by technology

In traditional drill bits, diamond cannot be fully used

Method used

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  • Diamond positioning and arrangement impregnated rock bit and fabrication technology thereof

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0025] see figure 1 , the diamonds 2 are arranged in the diamond matrix 1 in an orderly manner according to the designed positions.

[0026] The manufacturing method of the diamond positioning arrangement impregnated geological drill bit is as follows: matrix powder mixing - matrix powder pressed into thin slices - laying diamonds on the thin blank - multi-layer thin blank combined cold pressing - cold pressing cutter head reduction - - Sintering of steel body - cooling and demoulding - trimming and packaging, the specific process is:

[0027] ①. Determine the diamond matrix composition and diamond formula

[0028] The carcass contains cobalt powder, nickel powder, iron powder, copper powder, manganese powder, tin powder, chromium powder, tungsten carbide, ditungsten carbide, etc. Among them, cobalt powder, nickel powder, iron powder, mangane...

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Abstract

The invention discloses a diamond positioning-arranging impregnated geological drill bit, comprising a diamond matrix (1) and diamonds (2), wherein the diamonds (2) are orderly arranged in the diamond matrix (1) according to designed specified positions. A method for making the diamond positioning-arranging impregnated geological drill bit comprises the following steps of mixing diamond matrix powder, pressing the matrix powder into thin stocks, laying and arranging the diamonds on the thin stocks, cold-pressing a plurality of layers of thin stocks compositely, reducing a cold-pressing matrix cutter head, loading a steel body to be sintered, cooling, demoulding, dressing and packaging. The diamond positioning-arranging impregnated geological drill bit is long in life span, high in working efficiency, and can keep the stability of the life span and efficiency of a diamond drill bit at the same time, so as to ensure that product performance can be controlled better. The manufacturing process of the diamond positioning-arranging impregnated geological drill bit is simple, reliable and convenient to operate.

Description

technical field [0001] The invention belongs to a drill bit, in particular to a geological drill bit for exploration and energy exploitation. The invention also relates to the manufacturing process of the geological drill bit. Background technique [0002] my country began to study diamond drills in the 1960s, and has made great achievements in less than 40 years. The design and manufacture of diamond drills has formed an independent discipline in my country. The theoretical basis of this subject is rock crushing, metal materials, powder metallurgy, electrochemistry, drill bit morphology and drill bit hydraulics. This new discipline has been formed through in-depth research on the above-mentioned fields, and it is also an important branch of geological engineering. [0003] Combined with the characteristics of diamond drill bits, my country has formed a relatively complete manufacturing process, and with the passage of time and in-depth research, some new development direc...

Claims

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Application Information

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IPC IPC(8): E21B10/46B22F5/08B22F7/06C22C29/08C22C30/00
Inventor 张绍和杨仙
Owner CENT SOUTH UNIV
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