Plate magnetic pulse and gas expansion superplastic composite forming device and method

A composite forming and magnetic pulse technology, used in forming tools, metal processing equipment, manufacturing tools, etc., can solve the problems of low precision of forming parts and slow forming speed, and achieve high forming precision, short forming time, and overcome technical barriers. Effect
CN113399533AInactive Publication Date: 2021-09-17INNER MONGOLIA UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
INNER MONGOLIA UNIV OF TECH
Publication Date
2021-09-17
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a plate magnetic pulse and gas expansion superplastic composite forming device and method, and relates to the field of metal material machining and forming. The problems that in the prior art, an electric pulse and gas expansion combined mode is low in forming speed and low in precision of formed parts are solved. The plate magnetic pulse and gas expansion superplastic composite forming device comprises a mold unit, a gas expansion unit, a heating unit and a magnetic pulse unit; the heating unit is used for heating a plate to be processed; the mold unit is used for fixing a to-be-processed plate; the magnetic pulse unit is used for performing multiple times of pulse excitation on the to-be-processed plate, so that the plate is preformed for multiple times; and the gas expansion unit is used for introducing high-pressure gas into the mold unit and carrying out multiple times of gas expansion stamping forming on the preformed plate, so that processing of the plate is completed. The plate magnetic pulse and gas expansion superplastic composite forming device is mainly used for processing and forming plates.
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Description

technical field

[0001] The invention relates to the field of metal material processing and forming. Background technique

[0002] At present, most light alloys have poor plasticity at room temperature. When the general forming process is used for complex forming of plates, the plates are prone to defects such as fracture, cracking, large springback, and easy distortion of formed parts. Magnetic pulse forming technology is an emerging high-speed forming process, which can greatly improve the forming ability of some difficult-to-form materials at room temperature. The defects such as poor mold effect and low precision cannot meet the requirements of mass production.

[0003] Superplastic inflatable forming technology has the advantages of low forming pressure, good quality of formed parts, stable size, high precision, etc. It is very suitable for processing complex parts that are difficult to process by ordinary methods. However, the traditional superplastic inflatable formi...

Claims

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