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Integral microwave vacuum sintering furnace

A microwave vacuum and integrated technology, applied in furnaces, muffle furnaces, cooking furnaces, etc., can solve the problems of large temperature gradient, long heating time, large footprint, etc., and achieve the improvement of bending strength and coercive force, The effect of improving the diffusion coefficient and reducing the heating time

Active Publication Date: 2013-03-13
苏州步科斯新材料科技有限公司
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  • Abstract
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Problems solved by technology

[0003] However, the existing vacuum sintering furnaces use high-temperature molybdenum, graphite, and tungsten belts to heat the product, and the product is heated by radiation and conduction. The product is heated from the outside to the inside, and the heating time is long, the temperature gradient is large, the energy consumption is high, and the grains are easy to grow. Big
[0004] In addition, the existing vacuum sintering furnace is not compact in structure, occupies a large area, has poor safety performance, and is inconvenient to transport

Method used

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Embodiment Construction

[0044] The core of the present invention is to provide an integrated microwave vacuum sintering furnace to increase the heating speed, reduce the heating time, and then reduce energy consumption.

[0045] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0046] see Figure 1-Figure 4 , figure 1 The front view of the integrated microwave vacuum sintering furnace provided by the embodiment of the present invention; figure 2 The rear view of the integrated microwave vacuum sintering furnace provided by the embodimen...

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Abstract

The invention discloses an integral microwave vacuum sintering furnace which comprises an integral furnace frame, a horizontal furnace body arranged in the integral furnace frame, a furnace lining which is arranged in the furnace body, internally provided with a material supporting structure for placing materials and made of a microwave transmission material, a vacuum system for vacuumizing the interior of the furnace lining, a cooling system for cooling the furnace body, waveguides connected with the outer side of the furnace body, and magnetrons mounted on the waveguides, wherein a furnace door of the furnace body is positioned outside the integral furnace frame. The integral microwave vacuum sintering furnace adopts an inside-out rapid and uniform heating mode. In addition, by the action of microwave electromagnetic energy, kinetic energy of molecules or ions in the materials is increased, the sintering activation energy is reduced, the diffusion coefficient is increased, the rapid sintering at a low temperature can be performed, and crystal grains are sintered before growing up. When used for sintering hard alloy, the integral microwave vacuum sintering furnace can improve rigidity, flexural strength and coercivity of the hard alloy.

Description

technical field [0001] The invention relates to the technical field of vacuum sintering furnaces, and more specifically relates to an integral microwave vacuum sintering furnace. Background technique [0002] Vacuum sintering furnace is a furnace for protective sintering of heated objects in a vacuum environment. It is mainly suitable for sintering and heat treatment of cemented carbide, powder metallurgy, and magnetic materials. [0003] However, the existing vacuum sintering furnaces use high-temperature molybdenum, graphite, and tungsten belts to heat the product, and the product is heated by radiation and conduction. The product is heated from the outside to the inside, and the heating time is long, the temperature gradient is large, the energy consumption is high, and the grains are easy to grow. big. [0004] In addition, the existing vacuum sintering furnace is not compact in structure, occupies a large area, has poor safety performance, and is inconvenient to transp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B5/05F27B5/06F27B5/14
Inventor 刘元月李蔚霞郭凯熊张志雄李启刚
Owner 苏州步科斯新材料科技有限公司
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