The rotational molding tank process is a processing method for plastic products, which is mainly used to produce storage tanks of various sizes, including chemical storage tanks, etc. The advantage of this process is that it is able to produce large and hollow plastic parts without the need for high equipment and tooling costs. The following is a basic introduction to the rotomolding tank process:
1.Rotational molding process: rotational molding is also known as rotational molding, rotational molding, rotational casting, rotary molding, etc. The rotational molding process is to first add the plastic raw materials to the mold, and then the mold rotates continuously along the two vertical axes and heats it, and the plastic raw materials in the mold are gradually and evenly coated and melted and adhered to the entire surface of the mold cavity under the action of gravity and heat energy, and then molded into the required shape, and then cooled and shaped into products.
2.Characteristics of rotational molding storage tank: Rotational molding storage tank uses polyethylene (PE) as raw material and is formed as a whole by special rotational molding process. This kind of storage tank has the advantages of no welding, no leakage, no toxicity, light weight, anti-aging, impact resistance, corrosion resistance, and long life. The one-piece design makes the tank more robust and resistant to acids and alkalis, high temperatures, and freezing. In addition, the tank has the characteristics of easy installation, small footprint, maintenance-free and long service life.
3.Application of rotational molding storage tanks: Rotational molding storage tanks are widely used in chemical industry, environmental protection, food, pharmaceutical, printing and dyeing, brewing, water supply and drainage, transportation, construction, water treatment and other fields, for storing and transporting various chemical liquids, sewage, wastewater, food liquids, etc.
4.The production process of rotational molding storage tank: The production process of rotational molding storage tank includes raw material preparation, mold heating, feeding, rotational molding, cooling and demoulding and other steps. Among them, the selection and ratio of raw materials have an important impact on product quality; The design and manufacture of the mold is also a key link, and it is necessary to ensure the accuracy and durability of the mold; In the rotational molding process, parameters such as temperature, time, and rotation speed need to be controlled to ensure the molding quality of the product; Finally, after cooling and demoulding and subsequent treatment, the finished rotomolding storage tank is obtained.
In general, the rotational molding tank process is an efficient, economical and environmentally friendly processing method for plastic products, which has a wide range of application prospects.