Material knowledge, construction and manufacturability
Plastics engineering: from material selection to a manufacturable product
Plastics engineering links material selection, design and production. At PEZY we develop an idea into a manufacturable component, with attention to function, reliability and service life. Many products consist of multiple plastic components, each with its own requirements for form and function. We evaluate those requirements together, from the first sketch to production.
These companies rely on PEZY to turn their product into reality.
Plastics engineering and technical polymers
The right material choice only works if the design and manufacturing are correct too.
Plastics engineering is one of PEZY’s core specialisms. We investigate how a plastic behaves, how the material can be processed and how a concept can be translated into a high-quality end product. Our strength lies in combining design, materials science and manufacturing expertise.
With decades of experience we are familiar with a wide range of plastics and production techniques. We look at the complete picture: product performance, assembly requirements and the capabilities and demands of the supply chain. In this way we assess material and design not in isolation but in the context in which the component is manufactured and used.
Material matched to the application
From commonly used materials such as ABS, PC and PP to biopolymers and high-performance engineering plastics: the application dictates the choice. We advise based on the required strength, flexibility, chemical resistance and durability. We also take processing and in-service behaviour into account.
A considered design
Wall thicknesses, rib structures and the geometry of a part influence both function and manufacturability. We optimise the design for the required stability and efficient use of material. It’s about balancing product performance with a design that can be produced efficiently.
Tolerances and assembly
Parts must not only work individually, but also come together to form a reliable assembly. We define appropriate tolerances and assess how components join together. This makes assembly part of the design process from the engineering stage onwards.
The right production technique
We have experience with injection moulding, blow moulding, overmoulding and hybrid production technologies. By considering the process early on, we can design complex components for scalable industrial production. The capabilities of the process and the product requirements must align.
Ready for mould making
We consider parting lines, draft angles, rib structures and inserts. These details help determine whether a part will eject correctly from the mould and be reproducibly manufactured. Manufacturability is therefore not a final check but an integral part of the design.
Product performance and the supply chain
A technically sound design must also fit material availability, production and the supply chain. That is why we look beyond a single component or operation. The relationship between product performance, assembly and production is the starting point for our decisions.
Develop bespoke plastic components
Each application has its own technical, functional and aesthetic requirements. With simulations and digital analyses we identify potential issues early, before the first tool is manufactured. That way we reduce risks and limit costly iterations and adjustments.
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Investigate mould filling behaviour and shrinkage
With a mould filling simulation (mouldflow analysis) we examine how the plastic fills the tool and where shrinkage may occur. The results support design and process decisions before investing in a mould.
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FEA: assess strength and stiffness
Using finite element analysis (FEA) we evaluate how a component behaves under relevant loads. We use the analysis to substantiate strength, stiffness and lifetime and to target improvements to weak areas.
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Account for thermal behaviour
Thermal simulations provide insight into heat flows, cooling times and temperature effects. This allows us to assess where heat influences the part and how design and process can be adapted accordingly.
Plastics engineering
From prototype to production
Digital analysis provides direction. In our prototyping and testing facilities we then validate how the design performs in practice. Tooling, pilot production and material choices remain interconnected throughout the process.
Hable One: from prototype to product
PEZY helped Hable develop its braille controller from prototype to product. Product design, mechanical and plastic engineering, electronics integration and certification came together in a compact controller for everyday use.
View the Hable One case
Philips Avent: less pump noise, more comfort
PEZY worked on a quieter Philips Avent breast pump using a TPE motor mount. Material research, test parts and support for production start-up brought mechanical development and manufacturing together.
View the Philips Avent case
Braster: from measurement technology to home use
PEZY helped Braster develop electronics, enclosure, app and packaging in parallel. Within a year these components were production-ready: an example of integrated product development in which housing and technology are developed together.
View the Braster caseWhy PEZY
Having plastic products manufactured at PEZY
With more than thirty years of experience, PEZY has built a development environment where design, technical detailing and production are aligned. We guide the entire process, from the first concept to series production. This means engineering decisions can be fed back directly to design and manufacturing, with a focus on speed, consistency and quality. Our added value lies in that integrated way of working. Industrial designers, plastics specialists, electronics experts and production managers combine their knowledge to improve the product as a whole. In addition, we collaborate with a carefully selected network of partners: experienced mould makers and testing laboratories within Europe, complemented by production partners in Asia. This way we combine in‑house expertise and external specialisms to develop, validate and scale ideas into final products.
3 locations
Design, engineering and production in close collaboration.
Pilot Factory
From first model to small series, in‑house.
30+ years
Product innovation since 1995.
Great Place to Work
Recognised on the basis of feedback from our employees.
Discuss your plastic product
Do you want to develop a new plastic product, improve a component or assess the manufacturability of a design? Tell us which requirements and questions are relevant. We will advise on material, construction, tooling and the next step towards production.