The invention discloses an extrusion blow molding process for door panel products, belonging to the field of blow molding processes. The process comprises feeding, setting barrel temperatures in sections, setting accumulator die head temperatures in sections, and adjusting wall thickness; mold closing, air blowing and air exhausting; after exhausting, opening the mold and taking out the door panel. The door panel is formed by one-step blow molding without insert welding in the later stage, featuring simple procedures, shortened molding cycle and improved production efficiency.
Country Code: CN
Application Number: CN201410321323.0







