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Production technology of large-tonnage super-large-diameter irregular aluminum alloy ring forge piece

A technology with super large diameter and production process, applied in the direction of metal rolling, etc., can solve the problems of reducing production efficiency, increasing production cost, and large difference in shape, so as to save raw materials, improve production efficiency, and reduce difficulty.

Active Publication Date: 2019-05-21
ZHANGJIAGANG HAILU ANNULAR FORGINGS
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Problems solved by technology

[0002] Usually, aluminum alloy rings with a height of 450-600mm, a thickness of 200-350mm, and an outer diameter of 8-10m are called large-tonnage super-large-diameter aluminum alloy rings; the existing production process of ring forgings cannot fully form large-tonnage super-large diameters. Aluminum alloy special-shaped ring forgings can only produce large-tonnage and super-large-diameter aluminum alloy rectangular ring forgings with a rectangular cross-section. Increased the difficulty of finishing car processing, consumes more raw materials, reduces production efficiency, and increases production costs

Method used

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Embodiment Construction

[0014] The present invention will be further described in detail below in conjunction with specific embodiments.

[0015] The production process of large-tonnage and super-large-diameter aluminum alloy special-shaped ring forgings, the process steps are as follows: raw material preparation → blanking → blanking → ring rolling → machining;

[0016] (1) In the process of preparing raw materials: purchase aluminum alloy rods with grade 2219, net size φ1200, and net weight ≥ 7.5T; machine the aluminum rods to remove the skin, remove the coarse crystal ring and surface defects on the surface of the aluminum rods, and then process the aluminum rods Diffusion annealing is performed to homogenize the aluminum rod;

[0017] (2) In the blanking process: the aluminum rod is blanked by sawing, and the special cooling lubricant for aluminum alloy processing is used for cooling and lubrication; The verticality of the center line of the blank is ≤1mm; the specification of the blank obtained...

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Abstract

The invention discloses a production technology of a large-tonnage super-large-diameter irregular aluminum alloy ring forge piece. The technology comprises the following technical steps: preparing rawmaterials; feeding the raw materials; opening a blank; rolling to form a ring; and mechanically processing. With the adoption of the production technology, the irregular aluminum alloy ring forge piece of which the size is close to the boundary dimension of a part to be manufactured can be quickly simply and accurately processed, so that the difficulty in fine turning processing can be reduced; the raw materials are saved; and the production efficiency is improved.

Description

technical field [0001] The invention relates to the field of production technology of ring forgings, in particular to the production technology of large-tonnage and super-large-diameter aluminum alloy special-shaped ring forgings. Background technique [0002] Usually, aluminum alloy rings with a height of 450-600mm, a thickness of 200-350mm, and an outer diameter of 8-10m are called large-tonnage super-large-diameter aluminum alloy rings; the existing production process of ring forgings cannot fully form large-tonnage super-large diameters. Aluminum alloy special-shaped ring forgings can only produce large-tonnage and super-large-diameter aluminum alloy rectangular ring forgings with a rectangular cross-section. It increases the difficulty of finishing car processing, consumes more raw materials, reduces production efficiency, and increases production costs. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a pro...

Claims

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Application Information

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IPC IPC(8): B21H1/06
Inventor 万明珍吴君三吴剑朱乾皓戴玉同徐锋宋亚东张礼华刘宏西张斌
Owner ZHANGJIAGANG HAILU ANNULAR FORGINGS
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