Data-oriented method for manufacturing lightweight thin-wall metal sheet

A light-weight technology for sheet metal parts, applied in the field of metal forming, can solve the problems of consuming a lot of time and energy, and achieve the effects of reducing heating time, reducing fuel consumption, and reducing body weight
CN110465573AActive Publication Date: 2019-11-19帝国理工创新有限公司
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
帝国理工创新有限公司
Publication Date
2019-11-19

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Abstract

The invention relates to a data-oriented method for manufacturing a lightweight thin-wall metal sheet, and belongs to the field of metal sheet forming. The method solves the problems that a large amount of time and cost are spent in traditional hot stamping forming. The method comprises the following steps of according to data such as the baking finish process, the part design, the plasticity dependent variable of a material in the manufacturing process and the performance requirement after forming of a user, performing analyzing by using a data-oriented method, selecting a metal sheet containing a specific micro-structure, and performing retrieving in a database verified through experiments to obtain the optimized forming parameters; and rapidly heating the metal sheet to a target temperature, controlling the heating rate, rapidly transferring the metal sheet into a cooling mold, performing stamping forming, and quenching the formed metal sheet at a rate not lower than the critical quenching rate. The data-oriented rapid hot forming method is used for manufacturing high-strength steel, a high-strength aluminum alloy and a titanium alloy part which are complex in shape, and meets the requirement of large-scale production of parts in industry.
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Description

technical field

[0001] The invention relates to a data-oriented method for manufacturing lightweight thin-walled sheet metal parts, which belongs to the field of metal forming. Background technique

[0002] According to the report "The 13th Five-Year Plan and 2030 Energy Conservation Targets of the Transportation Sector" released by the Energy Research Institute of the National Development and Reform Commission in 2018, Chinese passenger vehicles are on average 9% heavier and 1% larger than EU vehicles; American cars are 21% lighter and 10% smaller. The average fuel consumption of the Chinese fleet is 26% higher than that of EU vehicles; it is only 4% lower than that of American vehicles. Taking into account the weight of the vehicle, it is higher than the energy consumption of American vehicles. China is currently implementing the fourth phase of the "Fuel Consumption Limits for Passenger Cars", with a target of 6.9L / 100km in 2015 and a target of 5L / 100km in 2020. Under ...

Claims

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