Anti-deformation control method for forging titanium alloy forge piece through press machine

A control method and titanium alloy technology, applied in the field of forging, can solve problems such as deformation, and achieve the effects of increased contact area, good shape, and simple operation

Inactive Publication Date: 2019-05-31
中国第二重型机械集团德阳万航模锻有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to aim at the problems existing in the prior art, and provide a simple method with simple operation and low cost to solve the problem of warping and deformation of titanium alloy forgings during forging

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  • Anti-deformation control method for forging titanium alloy forge piece through press machine

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Embodiment Construction

[0011] refer to figure 1 . According to the present invention, in the production of titanium alloy forgings by press forging, after the forging is completed, the forgings are taken out and returned to the furnace for 3 times and reheated to 780°C-820°C for 20-30min; The surface of the upper mold 1 and the lower mold 2; then place the forging in the mold for 3-5 minutes to keep the temperature of the forging down to 580°C-630°C; lift the mold and take out the forging.

[0012] Those skilled in the art will appreciate that the present invention may be embodied in other specific forms than those set forth herein without departing from the spirit and essential characteristics of the invention. Accordingly, the above description is to be interpreted in all respects as illustrative and not restrictive. The scope of the present invention should be determined by reasonable interpretation of the appended claims, and all changes within the equivalency range of the present invention ar...

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Abstract

The invention discloses an anti-deformation control method for forging a titanium alloy forge piece through a press machine. By means of the anti-deformation control method, the problems of buckling deformation generated to the titanium alloy forge piece during forging can be solved. The anti-deformation control method is achieved through the following technical scheme which comprises the steps that after the titanium alloy forge piece is forged and formed, the forge piece is taken out; an upper mold is lifted up, and the surfaces of the upper mold and a lower mold in contact with the forge piece are covered with a heat insulation material; the forge piece is molten down and reheated to range from 780 DEG C to 820 DEG C, heat preservation ranges from 20 min to 30 min, the forge piece is placed in a mold to maintain pressure for 3 min to 5 min, and the temperature of the forge piece is reduced to range from 580 DEG C to 630 DEG C; and finally the upper mold is lifted up to take out theforge piece. In the process of taking out the forge piece, bending deformation caused by insufficient strength cannot happen, and the produced forge piece has a good appearance. Compared with an existing operation method, the problem of bending deformation of the forge piece when the forge piece is taken out is overcome.

Description

technical field [0001] The invention belongs to the technical field of forging, and relates to a deformation prevention control method for producing titanium alloy by press forging. Background technique [0002] In recent years, due to its high specific strength, excellent corrosion resistance, good biocompatibility and other advantages, titanium alloy has rapidly developed into a new type of key structural material with strong vitality, and is widely used in aerospace, military industry, petroleum, etc. Chemical and medical and health fields. Judging from the development prospects of industrial value and resource life, it is second only to iron and aluminum and is known as the rising "third metal". Titanium alloy has become one of the most commonly used materials in the contemporary aerospace field due to its excellent comprehensive properties such as low density, high specific strength, high temperature resistance, corrosion resistance and non-magnetic properties. At pre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21J5/02B21J13/02B21K29/00
Inventor 张海成罗恒军曾德涛吕孝根刘帅唐庆
Owner 中国第二重型机械集团德阳万航模锻有限责任公司
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