2 rotational moulding machines.See section
Rotolia has 10 blow moulding machines to produce parts weighing between 10 grams and 14 kilograms. This technology allows us to mould PET, polypropylene, polycarbonate, polyethylene naphthalate, and other materials.
2 with maximum capacity 0.25 kg.
2 with maximum capacity 0.50 kg.
3 with maximum capacity 2 kg.
2 with maximum capacity 5 kg.
1 with maximum capacity 14 kg.
Injection blow moulding consists of first obtaining a preform of the polymer to be processed, similar to a test tube, which is then heated and introduced in the mould that houses the required geometry. The injected preform is sometimes stretched, injecting air to expand the material and achieve the part’s final shape, finally extracting it.
The extrusion blow moulding process is intended to manufacture hollow plastic products, such as cosmetics bottles. This blow moulding method involves the following steps: melting the thermoplastic; obtaining the precursor or parison; introducing the hollow precursor in the blow mould; insufflating air in the precursor in the mould; cooling the moulded part; and demoulding.
The weight of extrusion-blown parts can be adjusted within an extremely wide range. Extrusion-blow moulds are generally much less expensive than injection blow moulds, and can be manufactured in a much shorter period of time.
Examples of parts made by the extrusion blow moulding process include most hollow polyethylene products, milk bottles, shampoo bottles, automotive tubing, watering cans and hollow industrial parts such as drums.
The benefits of extrusion blow moulding include a high production rate, low tooling cost, and a wide variety of machine manufacturers. It requires relatively small capital investment in equipment, and is suitable for small production batches. Extrusion blow moulding can be used to process many different plastics, including HDPE, PVC, PC, PP, and PETG.
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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Find answers to questions about blow moulding and all its characteristics.
The stages are injection-stretch-blow moulding and extrusion-blow moulding.
There are machines for packaging and containers, machinery for processing large parts, and blow moulding machines for rotational moulding.
Blow moulding comes from the combination of glass processing and polymer engineering techniques.
By extrusion: containers and hollow objects, such as milk, gel, water and juice bottles, balls, etc.
By injection: complicated shapes with very precise measurements, such as cups and plates for camping, mobile phone cases, buckets and other containers.
The process produces fully finished articles, achieving high productivity.
A plastic moulding system for all our customers’ needs. Technologies to obtain the perfect product.