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Isotropous rolling method for ion-based high-temperature alloy rectangular ring part

A technology for iron-based superalloys and rectangular rings, which is applied in the direction of metal rolling, etc., can solve the problems that the mechanical properties of the rings cannot be guaranteed, the uniformity is achieved, and the radial mechanical properties and the axial mechanical properties are greatly different.

Inactive Publication Date: 2016-05-11
GUIZHOU ANDA AVIATION FORGING
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Problems solved by technology

The production of rectangular rings is mostly carried out by radial rolling. The rings and blanks are designed at the same height. The tapered rollers only play the role of preventing the rings from climbing and limiting the height increase of the rings. The axial deformation is small. As a result, the radial mechanical properties of the ring are quite different from the axial mechanical properties
With the development and progress of ring rolling technology, people have gradually mastered the radial / axial bidirectional rolling forming method. The axial mechanical properties of rectangular rings produced by this method have been greatly improved. However, it is still not possible. Ensure that the mechanical properties of the ring are consistent in all directions

Method used

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  • Isotropous rolling method for ion-based high-temperature alloy rectangular ring part

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[0043]The main chemical element content (percentage by weight) of the alloy is: C content≤0.06%, Si content 0.07%~0.35%, Ni content 35.0%~40.0%, Co content 12.0%~16.0%, Nb+ Ta content 4.3%~5.2%, Ti content 1.3%~1.8%, Cr content ≤1.00%, Al content ≤0.20%, Mn content ≤1.00%, Cu content ≤0.50%, B content ≤0.012 %, S content≤0.015%, P content≤0.015%, and the balance is Fe.

[0044] The steps of this method are as follows:

[0045] Heating the iron-based superalloy bar blanked according to the specifications to the forging temperature, after upsetting, punching, and pre-rolling, it is made into a material with a height of H 1 , thickness B 1 , the outer diameter is R 1 rectangular ring blank;

[0046] like figure 1 As shown, the rectangular ring blank 1 is loaded into the ring rolling mill, the core roll 3 passes through the middle of the rectangular ring blank 1, the core roll 3 is driven and the rectangular ring blank 1 approaches the main roll 2, and then the tapered roll 4...

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Abstract

The invention discloses an isotropous rolling method for an ion-based high-temperature alloy rectangular ring part. The isotropous rolling method comprises the following steps: firstly, heating an iron-based high temperature alloy rod to a forging temperature, and carrying out upsetting, punching and pre-rolling on the iron-based high temperature alloy rod to prepare rectangular ring blank; filling the rectangular ring blank into ring rolling machine, lifting a tapered roller by a height h being 5mm-10mm for tilting the rectangular ring blank; then, rolling and shaping the rectangular ring blank to obtain the ion-based high-temperature alloy rectangular ring part. According to the method, by changing the flow direction of materials during rolling, isotropous mechanical properties of the rectangular ring part are kept consistent, so that the comprehensive mechanical properties of the rectangular ring part are improved. The method is used for producing the isotropous ion-based high-temperature alloy rectangular ring part.

Description

technical field [0001] The invention relates to a rolling method of an iron-based high-temperature alloy rectangular ring, in particular to an isotropic rolling method of an iron-based high-temperature alloy rectangular ring. Background technique [0002] Ring rolling is currently one of the most effective means of producing high-performance seamless rings, and has been widely used in many fields such as aviation and aerospace. The production of rectangular rings is mostly carried out by radial rolling. The rings and blanks are designed at the same height. The tapered rollers only play the role of preventing the rings from climbing and limiting the height increase of the rings. The axial deformation is small. As a result, the radial mechanical properties of the ring are quite different from the axial mechanical properties. With the development and progress of ring rolling technology, people have gradually mastered the radial / axial bidirectional rolling forming method. The a...

Claims

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Application Information

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IPC IPC(8): B21H1/06
CPCB21H1/06
Inventor 王龙祥苏春民刘彦成潘俊杰罗通
Owner GUIZHOU ANDA AVIATION FORGING
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