Integrated die forging forming technology

A molding process and die forging technology, which is applied in the field of integrated die forging forming technology, can solve the problems of small plastic deformation, performance gap, and non-structural state.

Inactive Publication Date: 2017-09-08
ZHONGBEI UNIV
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  • Abstract
  • Description
  • Claims
  • 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...

Method used

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  • Integrated die forging forming technology
  • Integrated die forging forming technology
  • Integrated die forging forming technology

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Embodiment Construction

[0039] 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.

[0040] see Figure 1 to Figure 4 , an integrated die forging forming process described in a preferred embodiment of the present invention, the process includes: in a mold cavity, the liquid or semi-solid metal is firstly filled and solidified under the action of the first pressure to obtain the same The blank in the shape of the formed part; after the second pressure is applied, the formed metal will force some movable modules to move, freeing up some mold space, and at the same time make the pre-segment blank realize the true plastic deformation under the action of pressure, and finally obtain the formed part , wherein the first pressure value is smaller than the second ...

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Abstract

The invention relates to an integrated die forging forming technology. The integrated die forging forming technology comprises the steps that an aluminum matrix composite material is prepared; and metal which is molten into a liquid phase is poured into a cavity containing the liquid aluminum matrix composite material, cylinders with perpendicular axes of a T-shaped part are filled with the liquid molten metal, liquid filling is performed under the first pressure, the pressure of a punch is less than or equal to the pressure of a hydraulic piston which presses on a left sliding block and a right sliding block, the loading speed of the punch is 15 mm/s, the pressure is kept for 20 s after the punch is loaded, the punch is continuously loaded at the second pressure after the aluminum matrix composite material is solidified so that a solidified metal part can push the left sliding block and the right sliding block to move outwards, after the left sliding block and the right sliding block reach set positions, punch loading is stopped, and two cylindrical parts with axes horizontally unequal in diameter are formed through plastic deformation, wherein the first pressure is less than the second pressure.

Description

technical field [0001] The invention relates to an integrated die forging forming 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 an integrated die forging forming process, so that it has more industrial utilizat...

Claims

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Application Information

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IPC IPC(8): B22D18/02C22C21/14C22C21/16C22C21/18C22C1/10C22C1/03C22C1/06C22F1/057
CPCC22C1/06C22C1/1036C22C21/14C22C21/16C22C21/18C22F1/002C22F1/057B22D18/02C22C1/1047
Inventor 徐宏张新张国伟石阳毛红奎任霁萍
Owner ZHONGBEI UNIV
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