Steel mould sand coating casting method

A technology of steel mold and sand coating, applied in the direction of casting mold, casting mold composition, casting molding equipment, etc., can solve the problems of prolonging production time, mold can not be reused, increasing production cost, etc. quality effect

Inactive Publication Date: 2013-09-18
ANHUI ZHUCHENG POWER MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved in the present invention is that the existing molds cannot be reused, which not only prolongs the production time, but also increases the production cost

Method used

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  • Steel mould sand coating casting method
  • Steel mould sand coating casting method
  • Steel mould sand coating casting method

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Embodiment Construction

[0026] The preferred technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0027] A kind of steel mold sand-covered casting method of the present invention comprises the following steps:

[0028] 1) Clean the steel mold: clean the upper and lower molds of the steel mold with a high-pressure air gun;

[0029] 2) Sand coating: A layer of fine sand is covered on the inside of the cavity of the upper mold and the lower mold through a sand-coated mold on the inside of the steel mold, and the shape is shaped by heating, and a sand-coated mold on the inside of the casting cap is used to cover the inner side of the casting cap. Also covered with a layer of fine sand;

[0030] 3) Mold closing: place the sand core and the connecting screen at the corresponding position of the lower mold, and then close the upper and lower molds. Positioning pins are installed on the side to position the upper and lower...

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Abstract

The invention discloses a steel mould sand coating casting method which comprises the following steps: 1) cleaning a steel mould; 2) covering sand; 3) compounding the moulds; 4) melting liquid iron; 5) casting; 6) removing casting cap opening; 7) opening the mould; 8) removing the sand. The steel mould sand covering casting method is a casting technology method for coating a layer of thin moulding sand on the periphery of a metal mold inner chamber, and is a combination of two methods of the metal mold casting and shell mould casting; the acquired casting has the advantages that the dimensional precision is high, the mechanical property is good, the manual work, the material and the equipment are saved, and the manufacturing cost is low; moreover the steel mould can be repeatedly used; the working efficiency is improved.

Description

technical field [0001] The invention relates to a steel mold sand-covered casting method in which the mold can be reused. Background technique [0002] At present, in the process of metal casting, the molds generally used can no longer be used after the mold is opened, and the mold must be prepared again for production, such as V method casting, sand casting, etc. This not only prolongs the production time, but also increases the production cost, and the mold has a great impact on the product. If the mold is defective or unqualified, it will directly lead to the unqualified product and increase the defective rate. Therefore, it is necessary to find a way to make Molds can be reused to improve efficiency and save costs. Contents of the invention [0003] The technical problem to be solved by the present invention is that the existing molds cannot be reused, which not only prolongs the production time, but also increases the production cost. [0004] In order to s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D3/00B22C9/06B22C9/12B22C9/08
Inventor 祝成
Owner ANHUI ZHUCHENG POWER MACHINERY
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