Coda

What is Injection Moulding?

Posted on 10th August 2018 Product Design, Plastic Packaging, Our Products Injection Moulded Toy

Every week at our factory in Norfolk we manufacture millions of units, many of which are injection mouldings. A quick and cost effective method to produce vast quantities of identical objects, it is used for producing all sorts of products, from tiny components and toothbrushes to large components such as car parts and even wheelie bins. The flexibility and versatility of this manufacturing process makes it one of the most popular methods used around the world. 

How Does it Work? 

Plastic granulate is pushed through a heated barrel and melted to produce a thick consistency, a reciprocating screw driven by an electric or hydraulic motor forces the melted plastic into a temperature controlled metal mould through a series of high pressure piping. Once the polymer has been injected into the mould and it is filled, the temperature drops quickly and the finished product is ejected from the mould. The speed of the process means that thousands of units can be made in an hour by a single machine. 

Hydraulic injection molding machine

There are also other types of injection moulding methods such multi-shot (or 2K moulding) which uses multiple materials, insert moulding which incorporates metal components, assisted moulding which uses gas or water to reduce wall thickness and structural foam moulding which foams the polymer to reduce density. 

What Can Be Made? 

Injection moulding is perfect for high volume orders of products of all sizes, Lego bricks are probably the most ubiquitous item made by injection moulding - more than 400 billion bricks have been made since 1958! 

 

Our Mould Tool Guarantee

One of the reasons injection moulding is most often used for large orders is that cost of a mould tool is high. Designing and making a quality mould is a hugely important step in the process that shouldn’t be compromised. 

When you buy a mould tool, we guarantee it for three years with unlimited use. If it wears out or needs fixing, then we’ll repair it at no cost to you. Our unique three year guarantee ensures a high quality tool and a high quality product. We don’t use low-quality mould tools, the mould tools we use are built to last. Using the latest mould flow analysis software, we can assure the quality, performance and appearance of the product production before we begin to make the tool. 

Whether you have a tool ready to use or your product is still in the concept stage get in touch with our sales team to see how we can help you. Our factory in East Anglia is equipped to handle orders of all sizes and our full service includes storage and delivery all over the UK and beyond. Call us today on +44 1692 501020 or email sales@coda-plastics.co.uk 


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© Coda Plastics is a trading name of Coda Plastics Limited, Registered in England & Wales Company No. 01116956, Registered office address: Folgate Road, North Walsham, Norfolk, NR28 0AJ