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Evanescent mode casting technology

A technology of lost foam casting and process, applied in the field of metal casting, can solve problems such as management, inconvenient use, aggravated equipment dust removal burden, turbulent boiling state, etc., to achieve the effects of saving equipment investment, efficacy, safety and environmental protection, and stable performance

Inactive Publication Date: 2015-03-25
LIUZHOU ZHENGLONG MACHINERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Once the configuration is unreasonable, either the sand will be difficult to move in the cooling bed, or a very chaotic boiling state will be formed, which will increase the dust removal burden of the equipment and aggravate its wear and tear
[0005] (3) Different types of sand are not very convenient in terms of management and use

Method used

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  • Evanescent mode casting technology

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Embodiment Construction

[0027] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0028] Such as figure 1 As shown, the lost foam casting process includes the following steps:

[0029] 1) Use metal foam molds in the forming machine to produce foam patterns or pouring systems;

[0030] 2) Bond the patterns and runners to form a bundle module;

[0031] 3) Use a coating machine to dip and hang water-based coatings on the beam modules;

[0032] 4) Dry the paint and dry it with exhaust air in the drying room;

[0033] 5) Put the mold beam module into the sand box and fill it with dry sand;

[0034] 6) Vibration molding of the vibrating table makes the dry sand filled into the inner cavity of the sand box and is compacted, and the sand box is seale...

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Abstract

The invention belongs to the field of metal casting, and discloses an evanescent mode casting technology. The technology comprises the following steps: producing a foam mode sample or a pouring system with a metal foaming mold in a shaping machine; cementing the mode sample and a pouring channel to form a mode truss module; soaking water-based paint on the mode truss module with a coating machine; stoving the paint, and drying the stoved mode truss module with an air exhauster in a stoving chamber; putting the dried mode truss module into a sand box, and filling dry sand; performing vibration molding on a swing table so as to fill the dry sand into the lumen of the sand box and compact the dry sand, sealing the sand box with a plastic film, and placing a pouring cup; performing pouring so as to gasify and disappear a foam mode sample in the sand box to form a cast, and pumping air in a vacuum manner during the pouring; after the cast is cooled, taking out the cooled cast, performing shakeout and cutting out and cleaning a pouring head. The technology has the advantages that the cost is reduced, the property is steady, and the efficacy is high.

Description

technical field [0001] The invention belongs to the technical field of metal casting, and in particular relates to a lost foam casting process. Background technique [0002] Lost foam casting is known as "new casting technology in the 21st century" and "green casting technology". It is widely used and promoted in the field of cast iron, and the quality of castings has been greatly improved. Enterprises, especially small and medium-sized enterprises, are investing more and more in lost foam casting technology. The lost foam casting technology is to bond and combine foamed plastic models similar in size and shape to the castings to form a model cluster. After brushing with a refractory coating and drying, it is buried in dry quartz sand for vibration molding, and liquid metal is poured under certain conditions. The method of vaporizing the model and occupying the position of the model, solidifying and cooling to form the required casting. Compared with the traditional castin...

Claims

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Application Information

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IPC IPC(8): B22C9/04B22C9/12B22C3/00
CPCB22C9/04B22C3/00B22C9/12
Inventor 蔡成刚
Owner LIUZHOU ZHENGLONG MACHINERY MFG
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