فهرست نشریات علمی دسترسی آزاد ایران

In this research, the single-point incremental forming process was used to manufacture dish head suitable for pressure vessels. This method utilizes a press machine with two molds a punch and a die to shape and lead to the dish head. In this process, a flat steel sheet is placed on the die, and pressure is applied to its surface by the punch, forcing the sheet into the die cavity. Three different forming path strategies were selected to achieve the final dish head shape. The forming pressure depends on various factors, including sheet thickness, mold size, wall angle, and vertical step size. After each deformation, the process continues with the sheet's displacement until the final form is achieved. Upon completion of the forming process, the thickness of the dish head will be measured in different areas. This is because cracks often appear in areas where the thickness is significantly reduced. According to the consider strategy and motion pattern were designed for forming to investigate their effects on the reduction in thickness in different areas. The experimental design will be conducted using Minitab software and the Design of Experiments (DOE) method. Both quantitative and qualitative independent and dependent parameters have been considered and entered into the software as data. After the forming process got completed, the uniformity of the dish head's thickness profile will be achieved. Ultimately, the spiral pattern from the center was chosen as the most suitable pattern for dish head production, as it resulted in the least thickness reduction and the highest thickness uniformity across the entire manufactured dish head.