Advanced Data Acquisition for Hot Stamping and its Application

Abstract

Hot Stamping is a complex technology, which requires many control parameters. Some data may be measured in-situ, to be used for trigger purposes or just for protocol. Other data need to be measured in advance to act as sort of calibration data. At voestalpine Stahl GmbH, we utilize a hot forming simulator to support the product development of hot forming steels. Linking process parameters and product properties is a major key for successful product development. Advanced data acquisition and data processing is the tool for a better understanding, increased precision and reproducibility during hot forming, as well as for the generation and improvement of material cards. We present the measurement matrix and show how that data and the derived models can be used for the development of materials, processes, material cards and full Finite Element (FE) Models. Those models are validated on medium scale test components and results will be presented. Our intensive efforts lead to a stable and robust part production at our customers hot forming lines. Extending these methods to hot forming lines would assist process design, failure analysis and quality assurance.