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高强度钢在汽车行业的作用

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高强度钢在汽车行业的作用

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节能环保这四个字目前已成为了我国当前中国汽车服务行业发展最为关注的话题,轻量化这一基本概念也广泛应用到了普通汽车技术发展领域,轻量化的汽车在提高操控性的同时还具备了出色的节油表现。 汽车排放和油耗主要取决于汽车发动机的总质量,同时保持车辆的整体品质,性能和成本降低汽车自身重量可以提高输出功率的同时,甚至优化的前提下,更低的油耗和减少排放等多项指标。 高强度钢板特别是超高强度钢板的应用可以达到在不降低甚至增加强度的情况下减轻车身重量的目的。由于材料抗拉强度达到了980MPa,内部应力较大,回弹较严重,但由于后序还有一序侧整形,OP10成形工序的CAE验证回弹视情况处理,如回弹不大,则在后序侧整处理,如回弹很大,则该序也需处理,回弹在侧整形工序进行验证,该工序重点验证成形中的起皱及开裂。 从计算结果看产品无开裂风险,局部有起皱趋势,在可接受范围内,该工序工艺造型设计可行。通过选择合理准确CAE模拟分析形成模式,减少了生成的零件的质量缺陷的风险,从而减少步骤数,降低开发成本模具,以确保通过所述回弹补偿部的成形性和精度,回弹也有效地优化降低整治的难度。

Energy saving and environmental protection have become the most concerned topic in the development of China's automobile service industry at present. The basic concept of lightweight has also been widely applied to the field of general automobile technology development. Lightweight vehicles have excellent fuel saving performance while improving the handling. Vehicle emissions and fuel consumption mainly depend on the total mass of the vehicle engine, while maintaining the overall quality of the vehicle, performance and cost reduction of the weight of the vehicle itself can improve the output power, and even optimize the premise, lower fuel consumption and reduce emissions and other indicators. The application of high-strength steel plate, especially ultra-high-strength steel plate, can reduce the weight of the body without reducing or even increasing the strength. As the tensile strength of the material reaches 980mpa, the internal stress is large, and the rebound is serious, but there is also a sequence of side shaping in the later sequence, CAE verification of the forming process of Op10 shall be processed according to the situation, if the rebound is not large, then the processing shall be carried out in the later sequence side, if the rebound is large, then the sequence shall also be processed, and the rebound shall be verified in the side shaping process, which focuses on the verification of wrinkling and cracking in the forming process. From the calculation results, it can be seen that there is no risk of cracking and there is a tendency of wrinkling in some parts of the product. Within the acceptable range, the process design is feasible. By selecting a reasonable and accurate CAE simulation analysis forming mode, the risk of quality defects of the generated parts is reduced, so as to reduce the number of steps and the development cost of the mold, so as to ensure the formability and accuracy of the rebound compensation part, and the rebound is also effectively optimized to reduce the difficulty of remediation.

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