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Anvil

The technology of top hammer and top surface is applied in the field of superhard material synthesis auxiliary equipment, which can solve the problems of serious economic loss and high price of the top hammer, and achieve the effects of low cost, reducing the probability of deflation gun, and ensuring safe pressure relief.

Inactive Publication Date: 2010-06-02
ZHENGZHOU ARTIFICIAL DIAMOND & PROD ENG TECH RES CENT
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  • Abstract
  • Description
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Problems solved by technology

During the synthesis process, there are more and more impurity gases such as hydrogen sulfide and water vapor precipitated by pyrophyllite phase transition and crystal water. Very serious

Method used

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Embodiment Construction

[0015] Such as figure 1 , figure 2 In the top hammer shown, a layer of coating 3 is electroplated on the upper slope 2 of the top hammer 1, and the coating 3 extends downward from the top surface 4 of the top hammer 1 along the slope 3, and its extension length a is 10-20mm. The coating layer 3 is formed by electroplating mixed tungsten powder and cobalt powder with high melting point, and the particle size of the tungsten powder and cobalt powder is 0.3 micron to ensure sufficient friction coefficient.

[0016] The coating 3 is added to the top hammer 1, so that the friction force between the slopes 2 is greatly increased, which can ensure safe pressure relief during the synthesis process, reduce the probability of deflation gun, and is safe and reliable.

[0017] In this embodiment, the extension length a of the plating layer 3 is 14 mm.

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Abstract

The invention discloses an anvil. The upper part inclined plane of the anvil is electroplated with a plating layer. A metal plating layer is electroplated on an inclined plane which forms a sealing edge between the anvils to increase the friction coefficient of the anvil and enhance the interaction between the anvil inclined planes, so the sealing effect is good, the high-temperature and high-pressure energy in a synthetic cavity can be effectively sealed and remained, and the smooth synthesis conversion process is ensured. The plating layer is an alloy layer formed by mixing and electroplating tungsten powder and cobalt powder, wherein the granularity of the tungsten powder and the cobalt powder is 0.3 micron, so the plating layer has the advantages of durability, abrasion resistance,, high melting point, high-temperature resistance, long service life and low cost. The anvil is additionally provided with the plating layer, so the friction force is greatly enhanced, safe pressure relief is ensured, the bubbling probability is reduced, and the anvil is safe and reliable.

Description

technical field [0001] The invention belongs to the technical field of superhard material synthesis auxiliary equipment, and in particular relates to an anvil. Background technique [0002] In the field of superhard material synthesis, taking diamond as an example, the synthesis principle is: the six top hammers of the six-sided top press machine move forward simultaneously under the action of the hydraulic system, relying on the inclined planes between adjacent top hammers to form a belt with ten The sealed chamber with two wedge-shaped sealing edges continues to pressurize to make the anvil squeeze the pyrophyllite synthetic block, and at the same time, it is supplemented with suitable power (to ensure suitable temperature conditions), and the pressure and temperature reach a certain value to realize the transformation of graphite into diamond. [0003] One of the most important and critical factors in the whole synthesis process is: under the sealing effect of twelve wedg...

Claims

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Application Information

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IPC IPC(8): B01J3/06
Inventor 王振海林玉彭献伟申兆清
Owner ZHENGZHOU ARTIFICIAL DIAMOND & PROD ENG TECH RES CENT
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