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Metal material casting system and method

A metal material, melting and casting technology, applied in the field of electromechanical equipment systems for melting and casting of high melting point active non-ferrous metal materials, can solve problems other than the final forming and processing of parts

Active Publication Date: 2009-03-25
ZHONGSHAN TIANYUAN VACUUM EQUIP TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, after the crucible is generally used to melt and refine the metal, the crucible is turned over to pour the metal into the ingot mold, not the final forming process of the part.

Method used

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  • Metal material casting system and method
  • Metal material casting system and method

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Embodiment Construction

[0034] Realize that the overall system structure of the present invention has four parts (as figure 1 Shown): intermediate frequency power supply, electrical control device, hydraulic opening and closing device and vacuum device (including vacuum pump unit, vacuum casting chamber and rotating motor). The system adopts an intermediate frequency power supply with a dual power supply structure, and there are two sets of vacuum casting chambers and rotating motors, so that when one of the vacuum melting casting chambers is loading and unloading workpieces and cooling and crystallizing, the power supply is used for melting and casting in the other vacuum casting chamber. The vacuum casting chamber in the vacuum device adopts a crucible-less structure (not shown) and includes an induction heating element for generating electromagnetic heating or stirring (such as figure 1 The arc shown in the casting element) allows for higher mold filling capabilities, while also avoiding contamina...

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Abstract

The invention relates to a system for metallic material fusion cast molding as well as a method thereof, wherein the system comprises: an intermediate frequency power supply, an electric control device, a hydraulic open and close device and a vacuum apparatus, and also includes a vacuum pumping set, a vacuum fusion cast chamber and a rotating motor. The vacuum fusion cast chamber adopts a crucibleless structure and is provided with an induction heating element for electromagnetic heating and agitation. The method for preparing castings comprises: implementing the intermediate frequency heating to metallic materials in vacuum, using a vacuum casting method to cast a die placed in the vacuum fusion cast chamber, meanwhile electromagnetically stirring the molten metal at the early stage of casting, and cooling, crystallizing and solidifying the molten metal under positive pressure. The adoption of the method and the system can eliminate the process of recasting by using a crucible, and the molten metal can be electromagnetically stirred and / or centrifugally moved while in intermediate frequency smelting and vacuum casting, so as to acquire castings with fine grains, compact tissues and excellent performances.

Description

technical field [0001] The present invention generally relates to a system and method for melting and casting metal materials, and more specifically, to an electromechanical equipment system and method for melting and casting high-melting-point active non-ferrous metal materials. Background technique [0002] Vacuum intermediate frequency melting has been widely used in the metallurgical industry, and atmospheric pressure precision casting and centrifugal casting have also been widely used in the foundry industry. The technologies currently being promoted include vacuum suction casting, lost foam precision casting and vacuum induction melting. [0003] Vacuum suction casting technology. There are few oxidation inclusions under negative pressure; the negative pressure reduces the back pressure in the mold, which significantly improves the filling capacity of the casting; the suction casting temperature is 100-150°C lower than that of gravity casting; the metal utilization ra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D18/06B22D18/08B22D27/02B22D13/00
Inventor 丁东胜
Owner ZHONGSHAN TIANYUAN VACUUM EQUIP TECH CO LTD
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