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Improved rotor sand mold

A sand mold and rotor technology, applied in the direction of casting mold, core, casting mold composition, etc., can solve the problems of producing fine sand holes and affecting the quality of finished products, and achieve the effect of improving quality

Inactive Publication Date: 2014-10-29
浙江汉声精密机械有限公司
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  • Abstract
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Problems solved by technology

[0002] By making a cavity corresponding to the contour of the casting on the sand mold, the molten iron is injected into the cavity through the pouring hole to form a casting. However, during the pouring process, the molten iron scours the pouring hole, and the impurities brought by the scour enter the cavity and cause fine particles in the casting. Sand holes, affecting the quality of finished products

Method used

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  • Improved rotor sand mold

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Embodiment Construction

[0013] The technical solutions of the embodiments of the present invention will be explained and described below in conjunction with the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, not all of them. Based on the examples in the implementation manners, other examples obtained by those skilled in the art without making creative efforts all belong to the protection scope of the present invention.

[0014] refer to figure 1 , shows an improved rotor sand mold, the sand mold 1 is provided with a cavity corresponding to the shape of the rotor casting 2, the sand mold 1 is provided with a pouring hole 3, and a pouring pipe 4 is provided on the pouring hole 3. The pouring pipe 4 plays a protective role and reduces the scour of the molten iron to the pouring hole 3 .

[0015] Preferably, the pouring tube 4 is a ceramic tube. Ceramic materials have super hardness and wear resistance, are no...

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Abstract

The invention discloses an improved rotor sand mold, relates to the casting field, and solves the technical problem in the prior art that fine sand holes are generated on a casting because molten iron scours a pouring hole in a rotor sand mold processing process. The rotor sand mold is provided by the invention, the sand mold is internally provided with a rotor-corresponding mold cavity, the sand mold is provide with a pouring hole, and the pouring hole is provided with a pouring tube. The improved rotor sand mold is applied to rotor casting.

Description

【Technical field】 [0001] The invention relates to the field of casting. 【Background technique】 [0002] By making a cavity corresponding to the contour of the casting on the sand mold, the molten iron is injected into the cavity through the pouring hole to form a casting. However, during the pouring process, the molten iron scours the pouring hole, and the impurities brought by the scour enter the cavity and cause fine particles in the casting. Sand holes affect the quality of finished products. 【Content of invention】 [0003] The technical problem solved by the invention is to provide an improved rotor sand mold and improve the processing quality. [0004] In order to solve the problems of the technologies described above, the present invention adopts the following technical solutions: [0005] An improved rotor sand mold, the sand mold is provided with a mold cavity corresponding to the rotor, the sand mold is provided with pouring holes, and the pouring holes are prov...

Claims

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Application Information

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IPC IPC(8): B22C9/22B22C9/08B22C9/02
Inventor 范並明
Owner 浙江汉声精密机械有限公司
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