CAROUSEL 3500
With three separate arms, this machine can load up to 24 moulds.
Maximum dimensions of each part:
3200 mm in diameter x 1200 mm high.
Ready to work with the following materials:
PE / PE UL94 VO / PP / PA / PA UL94 VO / PVC.
Manufacture of plastic parts by rotational moulding
Our logistics centre in Valencia (Spain) can manufacture pieces between 4.8 metres in diameter and 3.2 metres in height. The thickness of the materials can vary between 3 and 15 mm, depending on the customer’s needs.
Rotational moulding machines
Two rotational moulding machines for different plastic parts sizes.
CAROUSEL 5000
With three separate arms, this machine can load up to 65 moulds.
Maximum dimensions of each part:
4800 mm in diameter x 3200 mm high.
Ready to work with the following materials:
PE / PE UL94 VO / PP / PA / PA UL94 VO / PVC.
Maximum capabilities
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Rotational moulding is a polymer processing technique used to produce medium to very large hollow parts with little material and good stability. After introducing a liquid or powder polymer into a mould and rotating in two mutually perpendicular axes, the polymer adheres to the surface of the mould and creates hollow parts.
Rotolia has two carousels with three independent arms for rotational moulding: a 3500 carousel that can load up to 24 moulds; and a 5000 carousel with capacity for up to 65 moulds. The most commonly used plastic materials that can be used in our rotational moulding machines are PE, PE UL94 V0, PP, PA, PA UL94 VO and PVC.
A rotational moulding machine is in fact a very simple mechanism. The plastic is poured into a moving mould in either liquid or powdered state (this mould will be the end result of our product). The plastic gradually melts and adheres to the surface of the mould, completing the product’s skeleton.
Regardless of the technique used, the types of plastics that can be moulded are those known as thermoplastics, which do not undergo changes in their chemical structure during heating. They can be heated and remoulded as many times as required. Thermoplastics include polyethylene (PE), polypropylene (PP), polystyrene (PS), and expanded polystyrene (EPS), to name just a few.
Today, rotational moulded parts are used in virtually all markets that use plastic parts. This includes high-tech sectors such as the aeronautics, automotive and telecommunications industries. Rotational moulded parts are applied in, among others:
Automotive industry: thanks to their low weight, durability and economy, plastic parts manufactured by rotational moulding are becoming increasingly common in the automotive industry.
Leisure: most toys use rotational moulded parts either in whole or in part, as they are designed entirely with plastic elements.
Tanks and vats: tanks and vats to store fuel, oil or chemicals, as well as septic and water treatment tanks. Also large tanks for transport and other agricultural uses.
Containers: waste containers, whether industrial or domestic.
Accessories to store and transport materials: this includes medical cases, garbage bins, packaging, industrial pallets and other special containers...
Shipbuilding: from military boats, through to recreational canoes. All these vessels use rotational moulded plastic parts.
Others: this technique is so widely applied and used that it is worth mentioning some lesser-known ones, such as in producing fashion mannequins, frames, manhole covers and different billboard formats.
Contact us
Use the form for any questions you may have about manufacturing techniques, quotes or delivery times, and our technical office team will get back to you at the earliest opportunity.
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Other questions about rotational moulding
Find answers to questions about rotational moulding and all its characteristics.
Moulds are a key part of the process. First of all, they must be made of materials with good thermal conductivity. They must have thermomechanical resistance, and must be arm-mountable in order to allow air to circulate. They must also have a vent in order for the final process to be carried out satisfactorily.
The most common thermoplastics are polyethylene, polyvinyl chloride, polypropylene, polystyrene and acrylonitrile butadiene styrene.
There are carousel-type machines, such as those made by Rotolia. But there are also vertical rotational moulding machines, clamshell type, shuttle type, box oven type, and rock-and-roll machines.
In general, we can say that the parts are made of plastic, are hollow, and are very resistant. The flexibility of this process means that some objects not designed to be made of plastic can now be a reality. The possibilities are infinite. Contact us with your details, and we will provide you with a professional solution to your needs.
The process is tailored to the construction of single-piece products, from the simplest to the most complex, using the most appropriate techniques. All these pieces have a high-quality finish.
Yes, of course. They are 100% stress-free and have excellent impact resistance. They can also withstand extreme chemical and environmental conditions.
Using the most suitable materials increases the strength of the part. Rotational moulding can be carried out with a wide variety of plastic materials, although polyethylene is the most common in these cases.
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A plastic moulding system for all our customers’ needs. Technologies to obtain the perfect product.
