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A Deformation Heat Treatment Process for Aluminum Alloy Ring Forgings

A technology of deformation heat treatment and ring forging, which is applied in the field of aluminum alloy deformation heat treatment, and can solve problems such as uneven deformation, warping, and elliptical deformation of ring forgings

Active Publication Date: 2021-09-10
天津航天长征技术装备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cold deformation is the compression deformation along the axial direction of the ring forging. Due to the limitation of the working space of the forging equipment, the cold deformation of the large ring forging is generally local compression deformation along the circumferential direction, which will easily lead to the deformation of the ring forging. Uniform, warping, elliptical deformation and other problems occur; cold expansion deformation is generally carried out on the bulging machine, this process needs to be equipped with special equipment, which puts forward higher requirements for the workshop and its supporting equipment

Method used

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  • A Deformation Heat Treatment Process for Aluminum Alloy Ring Forgings
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  • A Deformation Heat Treatment Process for Aluminum Alloy Ring Forgings

Examples

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Effect test

Embodiment 1

[0044] A deformation heat treatment process of an aluminum alloy ring forging, taking a certain type of 2219 aluminum alloy ring forging product as an example, the size specification is Φ2300×Φ2130×200mm (outer diameter×inner diameter×height), including the following steps:

[0045] Step 1: Solution Quenching Treatment

[0046] For the 2219 aluminum alloy ring forging 1, use a special solution quenching furnace for aluminum alloy for solution treatment, adopt the method of warm charging furnace, first put the 2219 aluminum alloy ring forging into the material frame or place it in the special tooling for quenching, in order to prepare Subsequent furnace installation and use, and then turn on the heating system of the solid solution quenching furnace to preheat the furnace, set the preheating heating temperature to 530-540°C, and keep warm for 2 hours after reaching the set temperature range to fully homogenize the temperature in the furnace. After the preheating and holding tim...

Embodiment 2

[0058] A deformation heat treatment process of an aluminum alloy ring forging, taking a certain type of 2219 aluminum alloy ring forging product as an example, the size specification is Φ5020×Φ4700×460mm (outer diameter×inner diameter×height), including the following steps:

[0059] Step 1: Solution Quenching Treatment

[0060] For the 2219 aluminum alloy ring forging 1, use a special solution quenching furnace for aluminum alloy for solution treatment, adopt the method of warm charging, first place the 2219 aluminum alloy ring forging in the special tooling for quenching, and prepare for subsequent furnace loading. Then turn on the heating system of the solid solution quenching furnace to preheat the furnace, set the preheating heating temperature to 530-540°C, keep it warm for 2 hours after reaching the temperature, so that the temperature in the furnace is fully uniform, and open it quickly after reaching the specified preheating and holding time For the furnace door of the...

Embodiment 3

[0075] A deformation heat treatment process for an aluminum alloy ring forging, comprising the following steps:

[0076] Step 1: Solution Quenching Treatment

[0077]Use a special solution quenching furnace for aluminum alloy to perform solution treatment on the ring forging 1 to be subjected to deformation heat treatment, put the ring forging 1 into the quenching material frame or place it in a special tooling for quenching, and turn on the heating system of the solution quenching furnace to preheat the furnace , the preheating temperature is set according to the solid solution temperature range of the ring forging 1 material. After reaching the set temperature range, keep it warm for 0.5h to make the temperature in the solid solution quenching furnace fully uniform. After reaching the specified preheating time Finally, quickly open the furnace door of the solid solution quenching furnace, put the ring forging 1 together with the quenching material frame or quenching tool int...

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Abstract

The present invention is a deformation heat treatment process of an aluminum alloy ring forging, which includes the following steps: step 1: solution quenching treatment, using a special solution quenching furnace for aluminum alloy to perform solution treatment on the ring forging to be subjected to deformation heat treatment; step 2: cooling Rolling preparation; step 3: cold rolling deformation; step 4: aging treatment; the present invention adopts a local intermittent cumulative plastic deformation process, which has the advantages of high production efficiency, precise deformation control, and high forming precision, so as to replace the traditional cold rolling process. Compression and cold expansion deformation, while improving the strength of the alloy and eliminating residual stress, it avoids the occurrence of problems such as warping and elliptical deformation in cold pressing deformation, and also avoids the problem of adding special equipment for cold expansion deformation.

Description

technical field [0001] The invention relates to the field of deformation heat treatment of aluminum alloys, in particular to a deformation heat treatment process of an aluminum alloy ring forging. Background technique [0002] Ring forgings are widely used in wind power equipment, nuclear power equipment, aerospace and other industrial manufacturing fields. In recent years, the demand for integral forged rings in various industries is increasing, and the overall requirements are also constantly improving. Aluminum alloy has the advantages of high specific strength, good fracture toughness, and excellent comprehensive performance, which can meet the needs of aerospace products for high structural efficiency and light weight. Therefore, aluminum alloy ring forgings are widely used in important fastening connectors in the aerospace field with key load-bearing members. Aerospace products are developing in the direction of large-scale, integrated, lightweight, and precise, which...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22F1/04
CPCC22F1/002C22F1/04
Inventor 张曼曼高建新倪江涛马少义姚梦朱凯常永甫汤君杰宫成刘洁
Owner 天津航天长征技术装备有限公司