Abstract
Hot stamping technology has broad application prospects, but its working conditions are poor. The existing research lacks the key technology of on-line monitoring of forming force, which restricts the development of this technology. Based on the piezoelectric effect of quartz crystal and offload parallel principle, a new structure of the hot stamping forming force measurement sensor is proposed. This sensor can effectively measure large-range load. ANSYS software is used for parametric modeling, and static simulation experiments is carried out. A quasi-static calibration and dynamic calibration platform was built to calibrate the designed hot stamping force measurement sensor. The theoretical analysis and simulation results show that the sensor load can reach 2000 kN. The experimental results show that the sensor load can reach 2000 kN and the natural frequency is more than 3000 Hz. The hot stamping force measurement sensor has the advantages of large bearing capacity and good dynamic performance, which promotes the automation, intelligence and industrialization of hot stamping.
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