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Investment casting process of metal product

A technology of metal products and casting technology, which is applied in the field of metal product manufacturing, can solve problems such as large tolerances and internal defects, and achieve the effects of controllable errors, high production efficiency, and avoiding excessive tolerances

Inactive Publication Date: 2014-09-03
苏州华创特材股份有限公司
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  • Summary
  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, it also has certain shortcomings, mainly manifested in large tolerances, easy to produce internal defects, etc.

Method used

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  • Investment casting process of metal product

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Embodiment Construction

[0022] The present invention will be described in detail below in conjunction with the embodiments shown in the drawings, but it should be noted that these embodiments are not a limitation of the present invention, and those of ordinary skill in the art make functional, method, or structural improvements based on these embodiments. Equivalent changes or substitutions fall within the protection scope of the present invention.

[0023] Such as figure 1 As shown, the investment casting process 100 for metal products of the present invention includes the following steps:

[0024] S1. Make a forming mold, and make a corresponding forming mold according to the size of the workpiece of the metal product;

[0025] S2. Making the shell, making the shell according to the forming mold in S1;

[0026] S3. Pouring, pouring metal solution into the cavity of the shell;

[0027] S4. Discharging, after the metal solution is solidified, remove the mold shell and take off the formed metal product.

[002...

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Abstract

The invention provides an investment casting process of a metal product. The investment casting process comprises the following steps: S1, producing a forming mold; producing a corresponding forming mold according to the size of a workpiece of the metal product; S2, producing a shell: producing a shell according to the forming mold in S1; S3, pouring: pouring a metal liquid into an inner cavity of the shell; S4, discharging: removing the shell after the metal liquid is solidified, and discharging the formed metal product. The investment casting process of the metal product is simple in flow, convenient to operate and high in production efficiency. The shell conforming to the requirement can be manufactured according to the size of the metal product, the error of the shell is controllable, and the problem of excessively large tolerance can be avoided.

Description

Technical field [0001] The invention relates to the technical field of metal product manufacturing, in particular to a metal product casting process. Background technique [0002] At present, steel, iron, alloy and other metal materials have become extremely widely used materials due to their excellent mechanical properties, processing properties, and unique surface properties. The types of metal products made of metal materials are diverse and abundant. The processes used to manufacture metal products mainly include casting and forging. [0003] Compared with other process methods, the casting process has the advantages of low production cost, greater process flexibility, strong adaptability, and suitable for processing and production of supplementary metal materials. But it also has certain shortcomings, mainly manifested as large tolerances and easy to produce internal defects. [0004] Therefore, it is necessary to provide further solutions to the above problems. Summary of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C9/04
Inventor 韩波李根为
Owner 苏州华创特材股份有限公司
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