Metal liquid filling and plastic flowing composite die forging technology

A liquid filling and plastic flow technology, which is applied in the field of metal liquid filling and plastic flow composite die forging technology, can solve the problems of non-structural state, performance gap, and small plastic deformation.

Inactive Publication Date: 2017-09-08
ZHONGBEI UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

[0002] Although liquid die forging combines the advantages of traditional casting and forging, it is still mainly formed by solidification. Therefore, there is still a certain gap in performance compared with forgings produced by solid die forging. The main reason is the amount of plastic deformation. Small, the structure state is not a deformed fine-grained structure

Method used

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  • Metal liquid filling and plastic flowing composite die forging technology
  • Metal liquid filling and plastic flowing composite die forging technology
  • Metal liquid filling and plastic flowing composite die forging technology

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Embodiment Construction

[0026] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0027] see Figure 1 to Figure 4 , a metal liquid filling and plastic flow composite die forging process described in a preferred embodiment of the present invention, the process includes: in a mold cavity, the liquid or semi-solid metal first completes the mold filling under the action of the first pressure, Solidify to obtain the blank of the shape of the formed part; after the second pressure is applied, the formed metal will force some movable modules to move, releasing some mold space, and at the same time make the pre-segment blank realize the real plastic deformation under the pressure, Finally a formed part is obtained in which the first pressure value is smaller ...

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Abstract

The invention relates to a metal liquid filling and plastic flowing composite die forging technology. A forging die system is adopted to complete the technology. The technology comprises the steps that in a mold cavity, liquid or semi-solid metal firstly fills a mold and is solidified under the action of first pressure so as to obtain a workblank which is in the shape of a formed part; and after second pressure is applied, the formed metal can force some of movable modules to move so as to release some mold space, meanwhile, the workblank to be forged realizes plastic deformation in the true sense under the action of the pressure, and finally the formed part is obtained, wherein the first pressure value is smaller than the second pressure value.

Description

technical field [0001] The invention relates to a metal liquid filling and plastic flow composite die forging process. Background technique [0002] Although liquid die forging combines the advantages of traditional casting and forging, it is still mainly formed by solidification. Therefore, there is still a certain gap in performance compared with forgings produced by solid die forging. The main reason is the amount of plastic deformation. Small, the organizational state is not a deformed fine-grained structure. In order to improve the performance of the two forming technology parts, in recent years, some scholars have proposed to use casting to make the blank first, and then carry out ordinary hot die forging. This method is only suitable for simple shape parts, and the main purpose is to save materials. [0003] In view of the above-mentioned defects, the designer actively researches and innovates, in order to create a metal liquid filling, plastic flow composite die for...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D18/02B22D18/08
CPCB22D18/02B22D18/08
Inventor 徐宏张新毛红奎任霁萍石阳张国伟
Owner ZHONGBEI UNIV
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