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A method for forming titanium alloy u-shaped parts in viscous medium at room temperature

A viscous medium and titanium alloy technology, applied in forming tools, metal processing equipment, manufacturing tools, etc., can solve the problems that titanium alloy sheets cannot be formed at room temperature, and achieve the effects of low cost, small springback, and easy process

Active Publication Date: 2022-03-29
HARBIN INST OF TECH
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to solve the problem that the titanium alloy plate cannot be formed at room temperature

Method used

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  • A method for forming titanium alloy u-shaped parts in viscous medium at room temperature
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  • A method for forming titanium alloy u-shaped parts in viscous medium at room temperature

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Embodiment Construction

[0038] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0039] A method for forming titanium alloy U-shaped parts in a viscous medium at room temperature, combining Figure 1-Figure 7 , including the following steps:

[0040] Ⅰ. Place the plate blank 3 on the die 1, the titanium alloy grade of the plate blank 3 is TA12, TA15, TC4 or TC21; load the plate blank 3 through the rigid punch 2 to realiz...

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Abstract

The invention relates to a method for forming a titanium alloy U-shaped piece in a viscous medium at room temperature. The die is loaded on the plate blank, and the plate blank is taken out from the die for grinding, so that the plate blank becomes a preform; Ⅲ. Install the preform made of the plate blank into the die again, and at the same time inject the mold Installed on the die and filled with viscous medium in the injection mold; Ⅳ. The plunger is loaded on the viscous medium, and the viscous medium flows out of the injection mold through the injection hole on the injection mold and contacts the preform made of the plate blank, and flows out The viscous medium injected into the mold exerts a forming force on the preform made of the plate blank, so that the preform made of the plate blank gradually deforms and finally fits closely with the cavity in the die. The invention has a simple structure and can realize Titanium alloy sheets are formed at room temperature, with the advantages of high efficiency and low cost.

Description

technical field [0001] The invention relates to the technical field of titanium alloy plate forming, in particular to a method for forming a titanium alloy U-shaped piece in a viscous medium at room temperature. Background technique [0002] Titanium alloy has the characteristics of high specific strength, heat resistance, corrosion resistance, and non-magnetic properties, and is widely used in aviation, aerospace, weapons, ships and other fields. However, titanium alloy has problems such as low yield and easy cracking in plastic forming, and is a difficult-to-process material. At present, the forming methods of titanium alloy sheet mainly include thermal creep forming, hot press forming, superplastic forming and hot spinning forming. The stamping and forming method of titanium alloy sheet at room temperature has not been practically used, so it is necessary to develop a low-cost and high-efficiency room temperature forming process technology for titanium alloy. [0003] T...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D26/021B21D37/10
CPCB21D26/021B21D37/10
Inventor 王忠金冯业坤杨继平
Owner HARBIN INST OF TECH
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