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Casting mold for cylindrical housing part and casting method by using the mold

A casting mold and cylindrical technology, which is applied in the field of mold casting, can solve the problems of low yield and achieve the effects of stable casting process, continuous and fast casting process and high efficiency.

Inactive Publication Date: 2013-06-12
GUIZHOU HUAKE ALUMINUM MATERIAL ENG TECH RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a casting mold for a cylindrical shell part and a casting method using the mold, so as to solve the problem of low yield when casting this kind of cylindrical shell part

Method used

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  • Casting mold for cylindrical housing part and casting method by using the mold

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Embodiment

[0023] Embodiment: a casting mold for a cylindrical shell part, the outer mold 1 is composed of two halves of the mold body, positioning pins 4 are arranged on the mating surface, and the cylindrical inner mold 2 is located in the middle of the outer mold 1; two S Shaped runners 4 are located on both sides of the cavity 7, each runner 4 is connected to the buffer channel 5, the buffer channel 5 is connected to the cavity 7 through the connecting channel 6, and a riser is provided on both sides of the top of the cavity 7 4; The bottom end of one buffer channel 5 is connected to the cavity 7 and the top of the other buffer channel 5 is connected to the riser 8 .

[0024] The casting method includes the following steps:

[0025] Step 1: Preparation before casting, melting aluminum alloy, and heating the mold;

[0026] Step 2: Fix the inner mold on the casting table, apply paint on the mold, fix half of the outer mold body on the casting table through the clamp, and then move the...

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Abstract

The invention discloses a casting mold for a cylindrical housing part comprising an outer mold (1), an inner mold (2), runners (4), a molding cavity (7) and risers (8). The outer mould (1) is composed of two half-mold bodies, the cylindrical inner mold (2) is located at the center of the outer mold (1); two runners (4) are arranges at both sides of the cavity (7), each runner (4) is connected to a buffer channel (5), each buffer channel (5) is connected with the molding cavity (7) through connecting channels (6), and both sides of the top of the molding cavity (7) are provided with a riser (4) each. The invention also discloses a casting method by using the mold. In the invention, molten aluminum is fully filled in the molding cavity, and the molten aluminum pressures of various parts of the molding cavity is balanced, so no crack is produced after the molten aluminum is cooled, the yield is high, the casting process is continuous and fast, and the efficiency is improved.

Description

technical field [0001] The present invention relates to a casting mold and a casting method using the mold. Background technique [0002] Die casting is a method of pouring smelted aluminum alloy into a metal mold to obtain a casting. A metal mold can be used for a long time after it is designed and manufactured. [0003] The casting of thin-walled shell parts is a difficult problem in aluminum alloy casting. There is a cylindrical shell part with a diameter of 30cm, a height of 30cm, and a wall thickness of 0.5cm. Using the existing mold casting, the aluminum liquid enters the bottom of the cavity after entering the runner, and then gradually fills up, and the casting reject rate is very high. One of the main defects is that there is a small hole at the bottom of the shell, because the aluminum liquid is in the mold. Insufficient filling in the cavity; another major defect is the surface crack, which is caused by the relative closure of each part in the cavity and the inco...

Claims

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Application Information

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IPC IPC(8): B22C9/24
Inventor 门三泉车云张中可李祥
Owner GUIZHOU HUAKE ALUMINUM MATERIAL ENG TECH RES
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