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Method for Rolling and Forming Stainless Steel Rectangular Ring Blank into Special-shaped Thin-walled Ring

A technology for rectangular rings and thin-walled rings, which is applied in the field of rolling forming of rings, and can solve problems such as improper control, affecting the quality of rings, intermittent rolling, etc.

Active Publication Date: 2015-11-25
GUIZHOU ANDA AVIATION FORGING
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  • Abstract
  • Description
  • Claims
  • Application Information

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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 for Rolling and Forming Stainless Steel Rectangular Ring Blank into Special-shaped Thin-walled Ring
  • Method for Rolling and Forming Stainless Steel Rectangular Ring Blank into Special-shaped Thin-walled Ring
  • Method for Rolling and Forming Stainless Steel Rectangular Ring Blank into Special-shaped Thin-walled Ring

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specific Embodiment approach

[0037] The main chemical element content (percentage by weight) of the alloy is: 0.10% to 0.16% of C, 10.50% to 12.00% of Cr, 1.40% to 1.80% of Ni, 1.50% to 2.00% of W, The Mo content is 0.35%-0.50%, the V content is 0.18%-0.30%, the Mn content is ≤0.60%, the Si content is ≤0.60%, the S content is ≤0.025%, the P content is ≤0.030%, and the balance is Fe.

[0038] The steps of this method are as follows:

[0039] 1. Design rectangular ring blank 1

[0040] Calculate the rectangular blank dimensions as follows:

[0041] (1) The height of the rectangular ring blank 1 is:

[0042] h 1 =H 2 ;

[0043] Among them: H 1 is the height of the rectangular ring blank 1;

[0044] h 2 is the height of the special-shaped thin-walled ring 3.

[0045] (2) The inner diameter of the rectangular ring blank 1 is:

[0046] d = d m a x k - ...

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Abstract

The invention discloses a method for forming a special-shaped thin-wall ring from a stainless steel rectangular ring blank by rolling. In order to enable the rolling process to be continuously and stably performed, the invention discloses a reasonable feeding mode for a core roll, and moreover, the stainless steel rectangular ring blank is designed in a backstepping manner according to the shape and dimensions of the stainless steel special-shaped thin-wall ring, thus realizing forming for the special-shaped thin-wall ring from the stainless steel rectangular ring blank by rolling. The rolling method is mainly used for forming stainless steel special-shaped thin-wall rings in the fields of aviation, 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 stainless steel 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 CN101279343A published on October 8, 2008 discloses a rolling forming method for stainless steel special-shaped rings. The billet is then put into the rolling die of the ring rolling...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21H1/06B21B37/46
Inventor 魏志坚肖永祥杨志国顾莉莉雷静越徐东李艳红
Owner GUIZHOU ANDA AVIATION FORGING
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