Roland Plastics’ Expert Solutions
Plastic injection moulding is a cornerstone when it comes to manufacturing plastic parts in high-volumes. Injection moulding is efficient, fast, and capable of producing detailed and complex components economically. At Roland Plastics, we have spent decades refining this process to deliver products that meet our clients’ needs. However, as with any manufacturing technique, injection moulding comes with its own set of challenges.
Material Shrinkage and Warping
One of the most common issues experienced with plastic injection moulding is material shrinkage and warping, which can affect the dimensional integrity of the final product. Shrinkage can occur when parts cool and contract after being ejected from the mould.
Solution:
At Roland Plastics, we prevent this issue with precise cooling systems that regulate the temperature of the mould and the parts uniformly. We also optimise our material selection, using additives and plastic polymers with lower shrinkage rates tailored to the specific requirements of each project. Our CAD tooling systems also allows us to predict shrinkage patterns and make necessary adjustments before actual production begins, ensuring all parts meet their dimensional specifications.
Burn Marks and Surface Imperfections
Unwanted surface marks are another common challenge with plastic injection moulding, appearing as black or brown discolourations on the surface of moulded parts. These are often caused by trapped air or excessive mould temperature.
Solution:
Beyond our cooling systems, mould vents are a crucial aspect in the moulding process to allow trapped air and gases to escape the mould cavity and ensure an efficient flow of the molten plastic, filling and completely covered the surface of the mould. Roland Plastics focuses on achieving a balance between speed and quality to prevent any surface imperfections.
Delamination
Delamination is where a part’s layers separate, poses a significant quality and strength issues, typically resulting from contamination of the plastic material, excess moisture or incompatible material layers. Delamination can often be seen on the surface, but can also occur inside the plastic part.
Solution:
Pre-drying all materials correctly to remove any excess moisture and rigorous care over material handling and storage to avoid cross-contaminations of different polymers are key. Using homogeneous materials and choosing the best plastic for the required product to promote strong bonding during the plastic injection moulding process. We ensure that each and every part we manufacture is structurally and aesthetically sound.
Injection Moulding Machine & Tool Wear and Tear
The intensive nature of maintaining operational efficiency with injection moulding machines means they are both prone to wear and tear, which can affect production quality and output. Mould tools are designed for durability, but their longevity can be influenced by several critical factors.
Solution:
Roland Plastics maintains a rigorous maintenance schedule for all equipment, with regular checks and balances to ensure each and every machine operates at peak efficiency. By investing in the latest technology and keeping our factory equipment up-to-date, we minimize breakdowns and maintain continuous, reliable production for everything we manufacture.
Moulds themselves are also subject to wear, especially the ejectors and moving parts. Proper setup in the injection moulding machine, such as ensuring correct tool alignment is crucial to minimising undue wear. At Roland Plastics, our skilled engineers also handle routine maintenance and care of the mould which can substantially extend the lifespan and performance of your tools
Meeting High-Quality Standards
Maintaining consistent quality across large production runs is a significant challenge, especially for parts requiring very high precision.
Solution:
Our quality assurance process checks every stage of production. Using state-of-the-art measurement and inspection techniques our in-house QA team monitors, documents, and addresses any deviations promptly to ensure that each batch adheres to the strictest quality standards.
At Roland Plastics, we understand the complexities of plastic injection moulding. Our proactive approach to tackling these common challenges ensures that we deliver only the best to our clients. From choosing the right materials and employing advanced technologies to meticulous quality control and innovative problem-solving, we cover all bases to ensure your project’s success.
Whether your project involves automotive parts, medical devices, or consumer products, partnering with Roland Plastics guarantees a product that meets rigorous standards of quality and functionality.
About Roland Plastics
Located in Suffolk, UK, Roland Plastics has been at the forefront of plastic injection moulding, offering bespoke production solutions across a variety of industries. Committed to innovation and quality, Roland Plastics is your trusted partner in turning complex designs into reality.
Speak with our team to discuss how we can help take your idea to the next level. You can also follow us on LinkedIn to keep up to date with our latest innovations.
