What is Rotational Moulding?

Rotational moulding offers design advantages over other moulding processes; parts that are usually assembled from several pieces can be moulded as one. This reduces fabrication and assembly costs. The process also has a number of inherent design strengths, such as consistent wall thickness and strong outside corners that are virtually stress-free. If additional strength is required, reinforcing ribs can be designed into the part. Rotational moulding delivers the product the designer envisions. Additives to help make the part weather-resistant, flame-retardant, or static-free. Inserts, threads, handles, minor undercuts, flat surfaces that eliminate draft angles, or fine surface detail can all be part of the design.

Cost Advantages

Rotational moulding is an excellent choice for individuals or businesses looking to have custom plastic products manufactured, thanks to its lower tooling costs compared to other processes like injection moulding. This makes it a cost-effective solution for developing new products without requiring a significant upfront investment. Additionally, rotational moulding allows for smaller minimum run sizes, giving you the flexibility to start with smaller batches while testing or introducing a new product to the market. At the same time, it is highly scalable and very capable of handling large production runs as your demand grows. Whether you need small or large volumes, rotational moulding provides an affordable and versatile manufacturing solution tailored to your product’s unique needs.

Our Capabilities

Our impressive machinery available includes:
- 8 Bi-axel arms spread over 5 bi-axel ovens, from 1.7 m to 4m
- 2 Rock and Roll machines (ovens)
- 1 Fixed arm Carousel Machine
- Temp logging real-time internal temperature control measurement

The Rotational Moulding Process

1. Loading

A mould is mounted on a mould carrier and charged with plastic powder.

2. Heating

Under biaxial rotation, the mould is heated until the powder is properly sinted and forms a uniform layer on the inside of the mould.

3. Cooling

Under continued rotation, the mould is cooled until the melt is solid.

4. De-moulding

The mould is opened, and the final product is removed from the mould.