Plastic Injection Moulding services
With over 45 years of experience in the manufacture of precision plastic moulds, we have the technical expertise in-house to meet the most exacting standards. PMP has built a strong reputation for producing moulded plastic components to the highest quality and tolerances, which is why we are the partner of choice for so many leading OEMs.
Your first choice for injection moulded plastic products.
The perfect choice for prototyping and low volume production
PMP offers complete flexibility in plastic moulding manufacture, from one off prototypes through to production volumes. We work with you throughout the prototyping process and into full production, ensuring the best materials and efficiencies to create the best product. For lower volumes runs, we use a Manumould Process, this manual process enables us to efficiently manufacture 100+ parts, ideal for new product development.
Whether it’s prototyping, a small-scale project, or high-volume production, we give every project the same high standards of care and attention. The experts at PMP are committed to achieving outstanding results, delivering high quality production to strict ISO 9001 standards.
Low volume injection moulding with manumould
Low tooling cost and fast set up suitable for low volumes.
Manually operated tool opening and ejection.
Process a wide range of plastics.
Ideal for new product development.
Can change colour and type of material quickly, resulting in low wastage.
Custom parts, e.g., can use any colour, mould holes and logos into the component.
Wide range of moulding variations available.
Fast prototype and turnaround.
Turning up the Volume
PMP offers full-service production, whether you need prototyping, or you’re ready for volume production, PMP are here to deliver outstanding results. We can even reverse engineer old tooling, saving valuable time and money. For higher volume injection moulding, our skilled operators use a range of plastic injection moulding machines to deliver high-quality engineered plastic parts in any quantity. We have a number of tooling enhancements and bespoke automated systems to help speed up insert loading and finished part extraction. With PMP, you are offered the most cost-effective route to deliver the highest quality product.
Best-in-Class Machinery
Our machinery includes 25 advanced injection moulding machines of varying functionality and capacity – ranging from 12 to 120 tonnes. This capability and choice in plastic injection machinery allows us to meet the most efficient requirements for your project.
We continue to invest in the latest technology and training, ensuring PMP stays at the forefront of the industry, offering a choice of the widest possible polymer ranges.
Tooling up a better service
Hard tooling can be an expensive investment, so maintenance and care is critical to cost efficiency and longevity. Our dedicated engineering department has the capability of creating new tooling as well as maintaining existing hard tooling to ensure tolerances and quality are maintained for as long as possible.
Why so many businesses choose PMP
PMP specialise in high quality technical components, which we deliver to customers in numerous sectors. PMP maintains impressive customer retention thanks its commitment in providing industry leading customer service. PMP employs a commitment to quality and service that runs throughout the entire business and every stage of production. We firmly believe that outstanding service is the key to a long and successful customer relationship.
Mould your next project with PMP
If you are looking to find a complete service partner for injection moulding, get in touch today and see how we can benefit your business. Call PMP on 01371 876681 or contact us to see how PMP can bring your designs to life and handle your next manufacturing project. Keep up to date with the latest developments on LinkedIn.
Injection Moulding FAQs
What is plastic injection moulding?
Plastic injection moulding is a manufacturing process where molten plastic is injected into a mould to create custom parts and components. This method is commonly used for producing high-volume, consistent plastic products across industries like automotive, medical, and consumer goods.
What are the benefits of plastic injection moulding?
Key benefits of plastic injection moulding include high production efficiency, low labour costs, minimal material waste, and the ability to produce complex and highly detailed parts in large quantities. This method also allows for flexibility in material and design options.
What types of materials can be used in plastic injection moulding?
A wide range of thermoplastics can be used, including ABS, polypropylene (PP), polyethylene (PE), and nylon. Material choice depends on the specific application, including factors such as strength, flexibility, and heat resistance.
What is the typical lead time for plastic injection moulding?
Lead times for plastic injection moulding vary depending on part complexity, mould design, and production volume. Typically, lead times can range from 4 to 12 weeks, including the design and production of the injection mould tool.
How does the plastic injection moulding process work?
The process involves melting plastic pellets, injecting the molten plastic into a pre-designed mould, cooling the material to solidify, and ejecting the finished part. The cycle then repeats, allowing for mass production of identical parts.
How do I choose the right plastic injection moulding manufacturer?
When selecting a plastic injection moulding manufacturer, consider factors like industry experience, material expertise, lead times, production capacity, and quality assurance standards. Ensure the manufacturer can meet your specific project requirements and deliver high-quality parts on time.
What is the lifespan of an injection mould tool?
The lifespan of an injection mould tool depends on the material it’s made from (e.g., steel or aluminium), the complexity of the design, and the number of cycles it undergoes. Steel moulds can last up to millions of cycles, while aluminium moulds are generally suitable for lower-volume production.
What are the tolerances achievable with plastic injection moulding?
Injection moulding can achieve very tight tolerances, typically ranging between ±0.1mm to ±0.05mm, depending on the material and part design. Achieving precise tolerances is crucial for components used in industries like medical devices and aerospace.
Can recycled plastics be used in injection moulding?
Yes, recycled plastics can be used in injection moulding. Many industries are increasingly opting for sustainable materials like recycled PET or polypropylene to reduce environmental impact. However, the choice of recycled material will depend on the desired properties of the final product.
What is the difference between injection moulding and 3D printing?
Injection moulding is ideal for mass production of identical parts, offering speed and cost efficiency for high-volume runs. In contrast, 3D printing is better suited for prototyping, low-volume production, and custom parts due to its flexibility and lower tooling costs.
How does plastic injection moulding impact the environment?
Plastic injection moulding can have an environmental impact due to material waste and energy use. However, many manufacturers are adopting sustainable practices like using recycled plastics, reducing material waste, and optimising energy-efficient machines to mitigate this.
What are the benefits of a vertical injection moulding machine?
Vertical injection moulding machines provide greater flexibility for placing inserts, improved precision, and easier loading of components. They also save floor space since they typically have a smaller footprint. Additionally, vertical machines enable better part alignment, which is critical for overmoulding processes, and are ideal for applications where gravity assists in keeping inserts in place during moulding.
What is tooling for plastic injection moulding?
Tooling for plastic injection moulding refers to the creation of the moulds (tools) that are used to shape molten plastic into finished parts. Tooling is a crucial part of the injection moulding process and includes both the mould core and cavity. The design and precision of the tooling directly impact the quality, durability, and cost of the final plastic parts.
What are the materials that you can work with?
High-density polyethylene (HDPE)
Low-density polyethylene (LDPE)
Polypropylene (PP)
Polyethylene (PE)
Polyoxymethylene (POM, a.k.a. acetal)
Polyamide (PA, a.k.a. nylon)
Polybutylene terephthalate (PBT)
Polyethylene terephthalate (PET)
Polyphenylene sulfide (PPS)
Acrylonitrile butadiene styrene (ABS)
Polystyrene (PS)
Polycarbonate (PC)
Polyurethane (PUR or PU)
Polyetherimide (PEI, a.k.a. Ultem®)
Polysulfone (PSU)
PEEK (polyetheretherketone)
Download or read our latest case studies
Dunkermotoren
March 2023This leading manufacturer of drive technology required support with tooling design.
PMP Delivers Excellence to Speakerbus Technology.
March 2023PMP worked closely with Speakerbus to research new options in the form of materials, colouring, and printing solutions to find a combination that delivered the most consistent results.
Handy Dryers
March 2023Handy Dryers approached PMP for support with the challenge of having a metal front casing modelled for polished stainless steel manufacture.
Services
Manumold
Manumoulding machines are incredibly versatile, and are operated partially by hand, allowing fine attention to detail and close quality control, making it ideal for iterating on designs.
Overmoulding
Overmoulding is the intricate process of moulding multiple materials into one cohesive product.
Insert Moulding
Insert moulding offers a highly cost-effective and flexible process, maintaining fine tolerances with stronger and lighter components.
Micro Injection Moulding
Micro injection moulding is a process that is used for the manufacture of very small plastic components.
Injection Moulding
PMP has built a strong reputation for producing moulded plastic components to the highest quality and tolerances.
Mould your next project with PMP
If you are looking to find a complete service partner for injection moulding, get in touch today and see how we can benefit your business. Call Paul Austin on 07908 898496 or contact us to see how PMP can bring your designs to life and handle your next manufacturing project. Keep up to date with the latest developments on LinkedIn.
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