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GH4169 high-temperature alloy round rod finish forging method

A GH4169, 1. GH4169 technology, applied in the precision forging field of GH4169 high-temperature alloy round bar, to achieve the effect of improving product quality

Inactive Publication Date: 2015-08-12
PANGANG GROUP RESEARCH INSTITUTE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a precision forging method for GH4169 high-temperature alloy round rods without the problem of spiral lines on the surface

Method used

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  • GH4169 high-temperature alloy round rod finish forging method
  • GH4169 high-temperature alloy round rod finish forging method
  • GH4169 high-temperature alloy round rod finish forging method

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Embodiment Construction

[0013] Below in conjunction with embodiment the present invention is further described:

[0014] GH4169 high-temperature alloy round rod precision forging method, including the step of sending the GH4169 high-temperature alloy round rod blank into the precision radial forging unit for forging, the blank is sent into the precision radial forging unit for forging, the round bar The angular rotation parameter of the blank is 13-20° / hammer, and the feed speed of the blank is 3-6m / min.

[0015] The precision forging method for GH4169 superalloy round rods of the present invention focuses on the improvement of the operating parameters of the precision radial forging unit. Specifically, when the precision radial forging unit is working, the billet angle rotation parameter is 13-20° / hammer, that is, After each beating, the unit rotates the billet by 13-20°, the more preferred angle rotation parameter is 14-16° / hammer, and the billet angle rotation parameter of each pass increases grad...

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Abstract

The invention relates to a GH4169 high-temperature alloy round rod finish forging method. The method comprises the following steps of feeding a GH4169 high-temperature alloy round rod blank into a precise radial forging machine to be hammered, wherein when the blank is fed into the precise radial forging machine to be hammered, wherein the angle rotating parameter of the round rod blank is 13 to 20 degrees per hammer, and the blank feeding speed is 3 to 6m / mim. According to the GH4169 high-temperature alloy round rod finish forging method, surface spiral screws do not appear, the center stress of the product is relatively large, a loose defect does not appear in a forging center part, and the product quality is improved.

Description

technical field [0001] The invention relates to precision forging of a high-temperature alloy, in particular to a method for precision forging of a GH4169 high-temperature alloy round bar. Background technique [0002] GH4169 is a kind of superalloy, which is widely used in aerospace, nuclear energy, petroleum industry and other fields. The yield strength of this alloy below 650°C ranks first among deformed superalloys, and it has good fatigue resistance, radiation resistance, oxidation resistance, Corrosion resistance, and good processing performance. [0003] Precision radial forging machines are used for precision forging of GH4169 round bars. The precision radial forging machine includes four forging hammers in a cross-shaped layout. When it is working, the circumferential surface of the alloy round bar blank is located in the middle of the four forging hammers. The four forging hammers carry out high-frequency forging of the alloy round bar blank from four directions. ...

Claims

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Application Information

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IPC IPC(8): B21J5/00B21J5/06
Inventor 肖强李俊洪周茂华罗许刘序江
Owner PANGANG GROUP RESEARCH INSTITUTE CO LTD
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