What Is Injection Moulding?

Plastic Injection Moulding Basics

The injection moulding process has several advantages and benefits over other plastic moulding processes:

  • It allows products to be produced in complex and intricate detail that would otherwise be too costly or difficult to make.

  • With the injection moulding process, many parts can be created and produced at the same time. There is high production output rate, low labour costs and a highly repeatable tolerance.

  • There is little to do to finish the product after moulding as parts finished upon ejection.

  • Any faulty products may be re-ground and can be recycled for future use; therefore there is very little waste.

  • An added advantage is that you can process a wide range of materials, from Polypropylene to high performance engineering polymers. Full automation is also possible with injection moulding allowing additional secondary operations to take place.

Mould Tools

Mould Tools are manufactured by toolmakers (mouldmakers) and are usually made from hardened steel for most applications although alternative materials can be utilised depending on the specific requirements of the parts application or production process.

Plastic Parts and mould tools need to be very carefully designed to ensure the end application of any product is realised to its full specification and retains consistent integrity. There are many points to consider when manufacturing Injection moulded components to ensure the right quality and consistency at the most cost effective cost, below are the key factors to consider:

  • Product design
  • Mould tool design
  • Quality of mould tool manufacture
  • Polymer specification & control
  • Production machinery and capability
  • Manufacturing processing control

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