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2025.09.25
How to make certain areas of the product thicker in rotational?
Rotomolding, or rotational moulding, is a highly versatile and adaptable manufacturing technology used to produce hollow plastic products in a wide range of shapes and sizes. The wall thickness of rotational molding products is relatively uniform and does not show significant differences. However, sometimes we may want certain areas of the product to be molded thicker. So, how can we achieve this goal.
1. Reduce the mold thickness
If you want some certain areas shape thickner , you can consider reducing the mold thickness on these areas when you make the mold. Through this way, these areas will get more heat in the oven, on the plastic side, it will shape more than other areas.
2. Add air amplifier
For some parts, some areas may not shape well because of the complex structure design. If so, we may consider adding air amplifier on the mold side. Through this way, it can blow more heat into these certains area in the oven
3. Prehearting
Before the mold enters the oven, preheat some areas of the mold with a baking gun, which can make the corresponding product area thicker than other areas.
4.Adjust rotomolding machine parameters
For some plastic parts, you can adjust the rotomolding machine parameters, then some material will flow more into the two sides.
2025.09.04
Customized rotational molding molds help outdoor furniture enterprises expand into overseas markets
Recently, the outdoor company successfully developed and produced a set of outdoor rotational-molded table and chair
molds for its clients. The molds were successfully put into production and use, and received high praise from the clients.
2025.08.28
Youge mould company rotational molding fuel tank mold
Youge mould company successfully delivered the rotational molding fuel tank mold, enhancing the production efficiency of the automotive parts enterprise.
In recent years, as the automotive and construction machinery industries have continuously increased their demand for lightweight and corrosion-resistant fuel tanks, the rotational molding process has attracted widespread attention due to its flexible design and stable molding. Recently, our company customized and developed an rotational molding fuel tank mold for an overseas automotive parts manufacturing enterprise and successfully delivered it for mass production, achieving efficient and stable production goals for the customer.
This customer is an enterprise specializing in the production of automotive and construction machinery fuel tanks. With the expansion of its business, its traditional oil tank molds have been unable to meet the development needs of new products. The main problems include:
The wall thickness of the finished product is uneven, which poses a leakage risk.
The cooling efficiency of the mold is low and the production cycle is long.
The short lifespan of the molds leads to an increase in maintenance costs.
We helped the client solve these problems and established a very good cooperative relationship!
2025.08.20
Rotational molding Introduction
Rotational molding has continued to develop and grow during the last several decades. Initially, rotationally molded products were mainly hollow shapes of simple design. In recent years, the products being produced by the process have become more sophisticated, allowing new markets to be penetrated. Much of this growth has been due to the creativity of designers and molders who have become familiar with the process. Unfortunately, the technological development of the process has not matched the market growth it has enjoyed. In particular, the control of the manufacturing processes necessary to produce parts of consistent high quality has been slow to evolve.
2025.05.19
Let's take a look at the Youge rotomolding flowerpot together:
As a gardening product manufactured by modern techniques, it has the following advantages:
Strong durability: Rotational molding flower pots are usually made of high-quality polyethylene material, which has good weather resistance and impact resistance. They can remain stable under various climatic conditions and are not prone to cracking or deformation.
Water conservation and drought resistance: The design of rotational molding flowerpots allows water to be stored at the bottom, which helps provide the necessary moisture for plants in drought conditions and reduces the frequency of watering.
Easy to move: Many rotomolded flower POTS are designed with structures that facilitate moving, allowing for easy manual or mechanical forklift movement and transportation without the need to move the plants or drain water.
Diversified design: Rotational molding technology enables the production of flower POTS in various colors and surface textures, which can imitate the appearance of clay, carvings, smoothness, stone or wood, etc., meeting different decorative needs.
Environmental protection and energy conservation: The production process of rotational molding flower POTS is relatively energy-efficient, and the materials can be recycled, which is in line with modern environmental protection concepts.
To sum up, rotational molding flower POTS have been widely used in the horticulture field due to their unique advantages. We have cooperated with well-known enterprises, such as IKEA and Hilton Hotels. Rotational molding flower POTS not only bring you convenience but also have beautiful designs, making them your first choice.
2025.05.22
Common Polymers in Rotational Molding
2025.05.22
The process is simple; however, it can be rather complex in actuality. It starts with putting plastic powder into a hollow mold which is normally made out of cast aluminum or sheet steel. The mold is then closed and rotated on two axes while the mold is being heated in an oven. When the plastic powder is heated it spreads all over the inside of the mold in the required manner. After complete melting, the mold is transported to a cooling area where it cools through the blowing of air and a fine water mist. On attaining the required temperature, the mold is opened, and the frozen part is taken out.
In its basic form, rotational molding is not a difficult process; however, because there is no direct control of pressure as is the case with high pressure processes such as injection molding, the process is relatively intricate. Some common parameters that can affect the molding process include the temperature of the environment, relative humidity, type of mold, material used, and quality of the powder used.
2025.05.15
Youge rotational molding mold engineering fuel tanks - as an important component of modern transportation, their role and impact in environmental protection are receiving increasing attention. With the enhancement of environmental awareness, conducting in-depth analysis of the environmental impact of rotomolded gasoline tanks and exploring innovative methods to reduce this impact have become an urgent issue.
The potential environmental impact of rotomolded fuel tanks during production and use cannot be ignored. In addition, the long-term use and final disposal of fuel tanks may also put pressure on the environment, especially when non-biodegradable materials are involved. These factors jointly prompt the industry and researchers to seek more environmentally friendly solutions. In order to reduce these environmental impacts, many innovations have emerged in the design and manufacture of rotational molding fuel tanks in recent years. These innovations include the use of more environmentally friendly materials, improving manufacturing processes to reduce energy consumption and emissions, as well as enhancing the recyclability and sustainability of products.
Looking ahead, the sustainable development path of rotational molding fuel tanks will continue to expand. It is expected that more research and technological development will focus on enhancing the recyclability of materials, reducing the environmental impact during the manufacturing process, and improving the overall environmental performance of products. With the advancement of technology and the increasing market demand for environmentally friendly products, environmentally friendly rotational molding fuel tanks are expected to become the mainstream choice in the future. Our company, Youge, will continue to provide high-quality services to companies such as Zoomlion and Caterpillar.
In conclusion, through continuous technological innovation and the enhancement of environmental awareness, this field is expected to ensure transportation safety and efficiency while minimizing the impact on the environment to the greatest extent. This is not only a progress in rotational molding fuel tank technology, but also a contribution to the sustainable development goals of the entire society.
Jiangsu Youge Mould Company has always adhered to the principle of quality first and strived to provide a modest contribution to society.
2025.05.14
Rotomolded blower casings, as a common industrial product, have extensive applications in multiple fields. The following are some of the main aspects of the application of rotational molding blower casings:
In the field of environmental protection, rotational molding blower casings are used to manufacture various environmental protection equipment, such as air purifiers and waste gas treatment equipment. These devices usually require shell materials that are corrosion-resistant and heat-resistant, and the shells produced by the rotational molding process can precisely meet these requirements.
In the agricultural sector, rotational molding blower housings are used to manufacture agricultural machinery, such as sprayers and seeders. These machines may come into contact with various chemicals and soil during use, so they need to have good corrosion resistance and durability.
In the construction field, rotational molding blower casings are used to manufacture building formwork, pipes, etc. These products usually need to have high strength and rigidity, and the shells produced by rotational molding process can precisely meet these requirements.
In the medical field, rotational molding blower casings are used to manufacture medical devices, such as ventilators and anesthesia machines. These devices have extremely high requirements for the hygiene and safety of the shells, and the shells produced by the rotational molding process can precisely meet these requirements.
In the field of transportation, rotational molding blower casings are used to manufacture traffic signs, guardrails, etc. These products usually need to have good weather resistance and impact resistance, and the shells produced by rotational molding process can precisely meet these requirements.