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Precise rolling forming method for large Waspaloy alloy casing forge piece

A large, forging technology

Active Publication Date: 2022-04-12
GUIZHOU ANDA AVIATION FORGING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are still few domestic researches on the process and structure control of Waspaloy alloy large casing rings.

Method used

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  • Precise rolling forming method for large Waspaloy alloy casing forge piece
  • Precise rolling forming method for large Waspaloy alloy casing forge piece
  • Precise rolling forming method for large Waspaloy alloy casing forge piece

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] (1) Preparation of special-shaped intermediate billet: the Waspaloy alloy bar is subjected to blanking, upsetting, punching, horse frame reaming, rectangular pre-rolling and tire mold forming to obtain the required special-shaped intermediate billet, such as figure 1 shown;

[0017] (2) Special-shaped pre-rolling: heat and keep the special-shaped intermediate billet on the Φ3000mm rolling mill for special-shaped pre-rolling, and pre-roll to the design target size.

[0018] The special-shaped pre-rolling die such as figure 2 As shown, it includes a pre-rolling mandrel 1, a straight mandrel 2 and a main roll 3; the heated special-shaped intermediate billet is inserted into the pre-rolling mandrel 1, the straight mandrel 2 is inserted into the pre-rolling mandrel 1, and the rolling mill starts rolling. The main roll 3 rotates at an angular speed of 0.5-1.0 rad / s, and the pre-rolling mandrel roll 1 moves toward the main roll 3 at a feed speed of 0.3-2.0 mm / s, so that the ...

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PUM

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Abstract

The invention discloses a Waspaloy alloy large casing forge piece precision rolling forming method which is characterized in that the scheme of special-shaped pre-rolling, special-shaped finish rolling and special-shaped bulging is adopted, and the rolling deformation amount is guaranteed through the design of a pre-rolling core roller with the small size; the rolling stability of the blank in the finish rolling process is guaranteed through the finish rolling core roller with the large size; and meanwhile, the special-shaped bulging process is combined, the precision of the forged piece is improved, the material utilization rate is increased, and the manufactured Waspaloy alloy large casing forged piece meets the design requirement. The rolling forming method is mainly used for rolling forming of the large Waspaloy alloy casing forgings.

Description

technical field [0001] The invention relates to a rolling forming method, in particular to a precision rolling forming method of a Waspaloy alloy large casing forging. Background technique [0002] Waspaloy alloy material is a γ′ phase precipitation hardened nickel-based superalloy that is difficult to deform. It has good gas corrosion resistance, high yield strength, fatigue performance and structural stability, and its high-temperature plastic deformation and engineering production are qualified. The rate is a big problem for forging suppliers all over the world. At present, there are still few domestic researches on the process and structure control of Waspaloy alloy large casing rings. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a precision rolling forming method for Waspaloy alloy large casing forgings to obtain Waspaloy alloy large casing forgings with excellent structure. [0004] In order to solve t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21H1/06B21J5/00
Inventor 朱灵华何昱杨孝荣
Owner GUIZHOU ANDA AVIATION FORGING
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