Cubic press and automatic temperature control adjusting method thereof

A six-sided top press and temperature control technology, which is applied in the direction of temperature control by electric means, auxiliary controller with auxiliary heating device, and ultra-high pressure application process, etc., can solve the sintering temperature difference, six-sided top The problems of low intelligence in temperature control of the press can achieve the effect of large deviation of sintering temperature, avoiding random manual control and improving the degree of automation

Pending Publication Date: 2022-06-07
SF DIAMOND CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a six-sided top press and its temperature control automatic adjustment method to solve the problems of low intelligence in temperature control of the six-sided top press and differences in sintering temperatures

Method used

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  • Cubic press and automatic temperature control adjusting method thereof
  • Cubic press and automatic temperature control adjusting method thereof
  • Cubic press and automatic temperature control adjusting method thereof

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Embodiment Construction

[0041] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0042] Six-sided top press embodiment:

[0043] A six-sided top press of the present invention, comprising a heating system, the output power (current) of the heating system is heated by a heating body having a certain resistance value within the pyrophyll synthesis block, to achieve heating of the mixed powder during the extrusion process.

[0044] The heat Q required to synthesize diamond or other superhard materials 需 Yes, so the heating system is heated with a constant power (output power P). Since there is a loss of heat during heating, Q 需 ＝αQ 总 ，Q 总 It is the total heat generated by the six-sided top press, which is generated by the output power P of the heating system, which is:

[0045] Q 需 ＝αQ 总 ＝αPT＝αI 2 RT

[0046] Wherein, T is the heating time of the heating system, I is the constant current output under the working voltage of the heating system, R ...

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Abstract

The invention relates to a cubic press and an automatic temperature control adjusting method thereof, which are characterized in that a standard heating body and standard power are determined in a pre-calibration mode, so that when a heating system outputs standard power, mixed powder in a synthetic block reaches a better sintering temperature by the standard heating body; the better sintering temperature can be judged according to the state of the sintered product. In the synthesis process, the resistance of the current heating body is collected and compared with the resistance of the standard heating body, and the output power of the heating system is adjusted on the basis of the standard power according to the comparison result. According to the invention, the situation that the output of the heating system of the cubic press needs to be manually adjusted to avoid over-high or over-low sintering temperature due to different resistances of the heating body due to assembly difference is avoided, the automation degree of synthesis is improved, and the sintering synthesis effect is improved.

Description

Technical field [0001] The present invention relates to a six-sided top press and a temperature control automatic adjustment method thereof, belonging to the technical field of hard material top pressure firing, in particular to the automatic control of temperature during the firing process. Background [0002] Six-sided top press is a common equipment used in synthetic diamond in China, most of which are hinge beam six-sided top press, six-sided top press contains the main engine, supercharger, hydraulic control system, electrical control system and heating system five parts. The pressure chamber of the press is composed of six carbide top hammers, the pressure of the synthetic block is generated by the extrusion of the top hammer, and the high temperature is generated by the current introduced by the upper and lower top hammers through the carbon tube heating in the synthesis block. [0003] The heating body in the pyrophyll synthesis block is assembled by steel rings, gaskets,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J3/06G05D23/30
CPCB01J3/06G05D23/30
Inventor 李晶晶朱刚高华杨健夏令坤楚松峰郭士营
Owner SF DIAMOND CO LTD
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