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Production method of sb564 UNS N06690 alloy large inner T-shaped annular forging billet

A technology of SB564UNSN06690, ring-shaped forgings, applied in metal rolling, metal processing equipment, etc., can solve the problems that it is difficult for the billet to fill the cavity, it is difficult to directly ring-roll forming, and the deformation temperature range is narrow, so as to reduce the deformation resistance and production The effect of high efficiency and high forging quality

Active Publication Date: 2016-01-27
GUIZHOU AEROSPACE XINLI CASTINGSAND FORGINGS
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  • Abstract
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Problems solved by technology

[0002] SB564UNSN06690 alloy large inner T-shaped forgings, due to the diameter greater than 3000mm, irregular shape, narrow deformation temperature range of SB564UNSN06690 alloy material, high material deformation resistance, etc., it is difficult to directly form ring rolling, and the use of film forging requires the manufacture of a large number of molds, Then use a hydraulic press to form the billet, and the quality of the manufactured blank is unstable; directly using a T-shaped die for ring rolling, there is a problem that the billet is difficult to fill the cavity

Method used

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  • Production method of sb564 UNS N06690 alloy large inner T-shaped annular forging billet
  • Production method of sb564 UNS N06690 alloy large inner T-shaped annular forging billet
  • Production method of sb564 UNS N06690 alloy large inner T-shaped annular forging billet

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Embodiment Construction

[0024] The present invention is described in detail below in conjunction with accompanying drawing:

[0025] Such as Figure 1-5 As shown, the SB564UNSN06690 alloy (American ASME standard, which belongs to the difficult-to-deform high-temperature-resistant nickel-based alloy) large inner T-shaped annular forging blank 1 has an irregular shape because the outer diameter is greater than 3000mm (there is a trapezoidal protrusion inside the ring), and The deformation temperature range of SB564UNSN06690 alloy material is narrow. The method of the present embodiment mainly includes the following steps:

[0026] A, according to the shape and structure of the inner T-shaped annular forging blank 1, make a processing step mold 2;

[0027] B. Heating the SB564UNSN06690 alloy ingot to 1150-1130°C, and then through upsetting, using a punch with a diameter of 300mm to carry out punching, reaming, and rounding processes to manufacture the original billet 3;

[0028] C. Heat the original ...

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Abstract

The invention discloses a manufacturing method for a large internal T-shaped ring forge piece blank of SB564UNS N06690 alloy. Firstly, upsetting and drawing are performed through a hydraulic forging press, a punch with the diameter of 300mm is used for punching, then chambering and rounding are performed, twice rolling is performed on a ring rolling mill by the aid of a step mold, an original blank with a rectangular section is circularly rolled into a middle blank with a step, then the middle blank is rotated by 180 degrees, and second rolling is performed, so that the internal T-shaped annular forge piece blank is obtained. According to the manufacturing method for the large internal T-shaped annular forge piece blank of the SB564UNS N06690 alloy, the structure of the manufactured forge piece blank is uniform, grains are refined, shapes are rectangular, and the forge piece quality and the production efficiency are high.

Description

technical field [0001] The invention belongs to the technical field of metal material pressure processing, and in particular relates to a production method of a large inner T-shaped annular forging blank of SB564UNSN06690 alloy. Background technique [0002] SB564UNSN06690 alloy large inner T-shaped forgings, due to the diameter greater than 3000mm, irregular shape, narrow deformation temperature range of SB564UNSN06690 alloy material, high material deformation resistance, etc., it is difficult to directly form ring rolling, and the use of film forging requires the manufacture of a large number of molds, Then use a hydraulic press to form the billet, and the quality of the manufactured billet is unstable; directly using a T-shaped die for ring rolling, there is a problem that the billet is difficult to fill the cavity. Contents of the invention [0003] The object of the present invention is to overcome the problems existing in the prior art, and to provide a method for pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21J5/00B21H1/06
Inventor 万东海张令赵晓光杜力军冉熊波
Owner GUIZHOU AEROSPACE XINLI CASTINGSAND FORGINGS
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