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Design for Rotational moulding

Design plays a critical role in the success of rotational moulding. The design of the part must take into account the properties of the material, the moulding process, and the desired end-use. Here are some important considerations for rotational moulding design:

  • Wall thickness: The wall thickness of the part should be consistent throughout to ensure even heating and cooling during the moulding process. Varying wall thickness can cause warping and deformation.
  • Draft angles: Draft angles are used to allow the part to be easily released from the mould. A draft angle of at least 1 degree per inch of wall thickness is recommended to ensure proper release.
  • Ribs and gussets: Ribs and gussets can be used to reinforce the part and prevent warping. They should be designed to allow for even heating and cooling during the moulding process.
  • Undercuts: Undercuts can make it difficult to release the part from the mould. They should be avoided or designed to allow for easy release.
  • Mouldability: The part should be designed to be easily moulded using the rotational moulding process. This includes avoiding sharp corners or edges, designing parts with a uniform thickness, and ensuring that the part is balanced and symmetrical.
  • Materials: The material used for the part must be compatible with the rotational moulding process. It should also be able to meet the desired end-use requirements, such as strength, flexibility, and durability.

Designing for rotational moulding requires careful consideration of many factors to ensure that the part can be successfully produced using this manufacturing process. A well-designed part will not only improve the quality of the final product but can also reduce manufacturing costs and increase efficiency.

Overall, rotational moulding is a versatile and cost-effective manufacturing process, suitable for a wide range of applications. However, it has some limitations that need to be reviewed when deciding if it is the right process for a particular project.

If you have a simple idea or you are at the more advanced stage of product design, contact us and we will be more than happy to provide you with a professional review of your project.

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Eco Friendly Plastics – Developments

Over the past few decades, there has been a growing concern over the impact of plastic waste on the environment. Traditional plastics are non-biodegradable and can take hundreds of years to decompose. As a result, the world has seen a shift towards more eco-friendly plastic alternatives that are sustainable and biodegradable. Here are some of the latest developments in eco-friendly plastics:

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Sheffield Business Award – Manufacturing

The last week in September proved quite a week for our group of companies: The Poly Group.

Whilst the management team were busy manning the stand at the Interplas UK Exhibition at the Birmingham NEC, our director, Julie Garner was busy attending The Star Sheffield local business awards, of which we won The Small Business Manufacturing Award!

Having had a successful exhibition, Julie promptly drove down to the NEC to have a celebratory night out with the management team, and what a celebration it was!

We are thrilled to have won the award, after what have proven to be, some of the most difficult couple of years for businesses throughout the UK and we would like to thank all the members of our team for the resilience shown and dedicated hard work, of not only, ensuring the company has operated to the best of its capabilities, but also, winning an award in the midst of it all.

The Poly Group comprises of: Poly Products UK Ltd, Poly Plas Engineering Ltd, Poly
Truck, Pedigree Pools and Viper Vivs.

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Interplas 2021

We are delighted to announce we will be exhibiting at Interplas 2021 at the Birmingham NEC between the 28th to 30th of September, as part of our group of companies “The Poly Group”.

Interplas takes place every three years and is the leading event in the UK’s plastics industry calendar.

With over 350 exhibitors and many leading companies attending, Interplas provides the opportunity for three days of networking, sharing and innovation and serves all key sectors within the industry.

The exhibition will feature 25 Industry experts and key speakers from some of the world’s largest companies, share their knowledge and insights on markets, regulation and potential opportunities.

We will be showcasing our Rotational Moulding, Vacuum Forming, Plastic Fabrication and Engineering capabilities and will be looking to connect with both suppliers and potential customers alike, if you think you may have a requirement for our services, we can be found in Hall 4 at Stand A31. Pay us a visit, it would be great to have a chat!

For further information, please visit: https://www.interplasuk.com/event/en/page/home

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New Website

Welcome to our new look web site and blog !

We wanted to better communicate to our current and potential customers the range of services we offer, the full scope of our operations and our unique position within the UK plastic’s manufacturing sector.

We will be continually developing our web site and providing much more information through our blog, so please check back with us for updates.

Our company ethos is “Quality comes as standard” and we hope this reflects in our fresh new looking web site.

Thank you

The team at Poly Products

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We are Recruiting

Due to increased demand from our customers we are currently recruiting machine and finishing operatives.

The UK Rotational Moulding sector is experiencing very high demand at present, which seems to be an exception to the rule compared to other industry sectors, as we emerge from the restrictions of lockdown and recover from Covid 19.

At Poly Products we too are preparing to increase production, providing our customers with the added volumes to also meet their required customer demand.

We anticipate further growth thoughout the whole of 2021, with further recruitment, new machinery and additional factory space.

As the lockdown eases, we are moving forward confidently and looking forward to a busy year ahead!