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Method of rolling titanium alloy rectangular ring blanks into special-shaped thin-walled rings

A rectangular ring, titanium alloy technology, applied in the field of rolling and forming of rings, can solve the problems of improper control, affecting the quality of rings, intermittent rolling, etc., and achieve the effect of eliminating ovality

Active Publication Date: 2014-04-16
GUIZHOU ANDA AVIATION FORGING
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the above-mentioned method is used to produce special-shaped rings with thin wall thickness, the rolling process cannot be completed smoothly due to unreasonable design of the blank or improper control of rolling parameters (such as the feed speed of the core roll, etc.), and intermittent failures will occur. Rolling phenomenon seriously affects the quality of the ring

Method used

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  • Method of rolling titanium alloy rectangular ring blanks into special-shaped thin-walled rings
  • Method of rolling titanium alloy rectangular ring blanks into special-shaped thin-walled rings
  • Method of rolling titanium alloy rectangular ring blanks into special-shaped thin-walled rings

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specific Embodiment approach

[0038] The main chemical element content (percentage by weight) of the alloy is: Al content 5.5% ~ 6.8%, V content 3.5% ~ 4.5%, Fe content ≤ 0.30%, C content ≤ 0.10%, N content ≤ 0.05 %, H content ≤0.015%, O content ≤0.20%, other elements individually ≤0.10% and sum ≤0.40%, and the balance being Ti.

[0039] The steps of this method are as follows:

[0040] 1. Design rectangular ring blank 1

[0041] Calculate the rectangular blank dimensions as follows:

[0042] (1) The height of the rectangular ring blank 1 is:

[0043] h 1 =H 2 ;

[0044] Among them: H 1 is the height of the rectangular ring blank 1;

[0045] h 2 is the height of the special-shaped thin-walled ring 3.

[0046] (2) The inner diameter of the rectangular ring blank 1 is:

[0047] d = d max k - ( d max - ...

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Abstract

The invention discloses a method of rolling titanium alloy rectangular ring blanks into special-shaped thin-walled rings. A mandrel reasonable feeding manner is provided to achieve a continuous, stable rolling process; titanium alloy rectangular ring blanks are reversely designed according to the shape and size of titanium alloy special-shaped thin-walled rings; accordingly, the titanium alloy rectangular ring blanks are rolled into the special-shaped thin-walled rings. The method is mainly applied to forming the titanium alloy special-shaped thin-walled rings in the fields of aerospace, industrial machinery and the like.

Description

technical field [0001] The invention relates to a rolling forming method of a ring, in particular to a method for rolling a titanium alloy rectangular ring blank into a special-shaped thin-walled ring. Background technique [0002] As the ring rolling technology becomes more and more mature, the design of the ring parts becomes more and more refined, and special-shaped thin-walled ring parts are produced accordingly. The shape and size of this special-shaped thin-walled ring are closer to the shape and size of the part, which can greatly reduce the machining allowance, thereby reducing the damage to the forging streamline of the ring by machining, saving a lot of precious metal materials, and improving the material quality. utilization rate. [0003] The Chinese invention patent specification CN101279345A published on October 8, 2008 discloses a rolling forming method of titanium alloy special-shaped rings. Ring billet, and then put the billet into the rolling mold of the ...

Claims

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Application Information

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IPC IPC(8): B21H1/06
Inventor 叶俊青邹伟谢永富夏欲民蒋礼萍任腾飞王学飞
Owner GUIZHOU ANDA AVIATION FORGING
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