top of page

Injection Moulding 101: Understanding the Basics



Injection moulding is one of the most widely used manufacturing processes in the world. It is a highly efficient and cost-effective method for producing plastic components in large quantities with high precision. Whether you're new to the industry or considering injection moulding for your next project, this brief guide from the Amey Plastics team will provide a top-level introduction to the process, its benefits and key considerations.


First off, what is Injection Moulding?


Injection moulding is a manufacturing technique used to produce parts by injecting molten plastic into a mould cavity. Once cooled and solidified, the mould opens and the finished part is ejected. The process is ideal for the production of identical parts with consistent quality.


The Injection Moulding Process


The process of injection moulding involves several key stages:


  1. Clamping – The mould consists of two halves that are securely clamped into the press to withstand high pressure during injection.

  2. Mould Closure - The process that brings the two halves of the mould tool together. Clamp Force is the strength needed to keep the two halves of the mould together during the injection process.

  3. Injection – Heated plastic material is injected into the mould cavity at high pressure, ensuring it fills every detail of the design.

  4. Cooling – The molten plastic cools and solidifies inside the mould, forming the final shape.

  5. Ejection – The mould opens and the finished part is pushed out using ejector pins.

  6. Repeat – The cycle repeats, allowing for high-volume production if necessary, with minimal downtime.



Benefits of Injection Moulding


Injection moulding offers several advantages that make it the preferred choice for plastic component manufacturing:


  • High Efficiency & Speed – Once the mould is created, the production cycle is fast and suitable for large-scale manufacturing.

  • Precision & Consistency – Produces highly accurate and repeatable parts with minimal variation.

  • Cost-Effective for Mass Production – While the initial tooling investment can be high, the cost per unit is significantly reduced in large production runs.

  • Material Versatility – A wide range of plastics can be used, including thermoplastics, thermosetting polymers and biodegradable plastics.

  • Minimal Waste – Excess material can often be recycled and reused, making the process more sustainable.



Key Considerations for Injection Moulding


To achieve optimal results, several factors must be taken into account:


  • Material Selection – The type of plastic used impacts durability, flexibility and performance.

  • Mould Design – A well-designed mould ensures efficiency and reduces production defects.

  • Production Volume – Injection moulding is typically most cost-effective for medium to large production runs.

  • Quality Control – A pro-active process designed to maintain high standards and avoid the moulding of defective parts.



Why Choose Amey Plastics for Injection Moulding?


At Amey Plastics, we specialise in delivering high-quality injection moulded components tailored to your specific needs. With advanced manufacturing technology, experienced engineers, and a commitment to excellence, we ensure precision, efficiency and cost-effectiveness in every project.


If you're considering injection moulding for your next project, contact us today to discuss your requirements and discover how we can support your production needs.


Contact the team on 01730 266 525 or email sales@ameyplasticsltd.co.uk to discuss your project.


Comments


Commenting has been turned off.

Enquiries

For all enquiries, simply give us a call, email us or alternatively fill in our contact form and we’ll be happy to help.

Thanks for submitting!

Head Office

Amey Plastics Ltd
2 Newman Lane
Alton
Hampshire
GU34 2QR

​

Tel: 01730 266525

Email: sales@ameyplasticsltd.co.uk

Directions

Amey Plastics is located on Newman Lane (not the industrial estate). Our building is signposted.

​

Please report to our reception upon arrival.

Amey Plastics
2 Newman Lane
Alton
Hampshire
GU34 2QR

01730 266525
sales@ameyplasticsltd.co.uk

© 2020 Amey Plastics.

All rights reserved.

Click here to view our Privacy Policy

SGS ISO 9001 UKAS.png

Thanks for submitting!

  • LinkedIn
  • Twitter
bottom of page