Aluminum magnesium alloy precision molding forming process and forming equipment

Through technical means such as gradient temperature pretreatment, dynamic pressure application, rebound compensation algorithm and deformation-annealing composite treatment, combined with high-precision molding equipment, the molding accuracy, rebound effect, residual stress and surface quality problems in the precision plastic forming of aluminum-magnesium alloy are solved, and the molding effect with high precision and high reliability is achieved.

CN120055152AInactive Publication Date: 2025-05-30CHENGDU ZHENGXI INTELLIGENT EQUIPMENT GROUP CO LTD
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Patent Information

Application Number
CN202510513654.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-23
Publication Date
2025-05-30
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The precision plastic forming of aluminum-magnesium alloy faces problems such as insufficient molding accuracy, significant rebound effect, accumulation of residual stress, rough surface quality, and contradiction between mold life and surface quality.

Method used

Technical means such as gradient temperature pretreatment, dynamic pressure application, rebound compensation algorithm, deformation-annealing composite treatment, and nano-level textured coating are used to achieve high-precision molding of aluminum-magnesium alloys in combination with high-precision molding equipment such as distributed servo cylinder group, six-degree of freedom cold bending actuator and online monitoring system.

Benefits of technology

The molding accuracy and surface quality of aluminum-magnesium alloy are significantly improved, residual stress is reduced, mold life is extended, and tolerance control of ±0.05mm and surface roughness of Ra≤0.8μm are achieved.

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Abstract

The invention relates to the technical field of forming processes and forming equipment, in particular to an aluminum-magnesium alloy precision plastic forming process and forming equipment, which comprises the following steps: S1, carrying out gradient temperature pretreatment on an aluminum-magnesium alloy blank with the initial heating temperature T meeting # imgabs0 #, S2, applying dynamic pressure P in a hydraulic forming stage with the calculation model being # imgabs1 #, S3, applying dynamic pressure P in a hydraulic forming stage with the initial heating temperature T meeting the initial heating temperature T meeting # imgabs0 #; s3, a springback compensation algorithm is adopted in the cold roll forming stage, and the compensation angle theta comp is determined by the following formula: # imgabs2; according to the aluminum-magnesium alloy precision plastic forming process and forming equipment provided by the invention, the problems of rebound control, surface quality and residual stress in aluminum-magnesium alloy precision plastic forming are solved through full-flow process optimization and innovation of high-precision forming equipment; and a high-reliability solution is provided for aerospace precision components, new energy automobile lightweight components and the like, and remarkable technical advancement and industrialization value are achieved.
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