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There are many factors that OEMs should consider when choosing a plastic injection molder – and quality is at the top of the list! A supplier’s quality planning and assurance program is more than just meeting the requisite ISO and FDA requirements – it represents their proven way to ensure consistent quality plastic injection molded parts. When assessing a potential molding partner, OEMs should consider the following about their project and the supplier being evaluated:
VIDEO: A look inside Crescent tooling facility showcasing our wire edm capabilities. This is one of many machines used to fabricate injection molds used in our production facility.
Injection molding has allowed many life-enhancing and life-saving medical devices to be within reach of millions of people, by making it possible to produce plastic medical products in large volumes and at competitive cost.
As we have discussed before on this blog, design for manufacturing (DFM) is important for getting the most value out of your injection molding production. DFM is most successful when the contract manufacturer and OEM combine their design and engineering expertise in order to find the optimal choices of tooling material, thermoplastic resin, placement and size of core outs, number of cavities per tool, runner type (hot or cold), and the right gating structure. By focusing on key aspects like draft, wall thickness, coring, thin and fragile steel conditions, undercuts, and drawing tolerances, effective DFM can reap significant savings.
Those who choose a plastic injection molding manufacturer based on price are guilty of short-term thinking. One way to avoid this is by never forgetting to take into account company expertise, experience, and reputation for quality.
The purchase price of an injection mold is the first thing that comes to mind and is the most valuable expense when it comes to the impact that a purchase can have on your business.
When choosing an injection molder it is critical never to engage in a price race to the bottom – the lowest cost mold may not be the best way to reduce molding costs. It is better to understand running and maintaining the mold at the highest level of efficiency. This will have much more to do with effective total cost reduction.
Maintenance Processes and Schedules
Anytime there is a failure to procure optimal injection molds for the component and volume required will result in shorter mold life. This requires more maintenance and even may require purchasing another mold.
Understanding that maintenance processes and schedules hugely affect the plastic injection molding and manufacturing of your product is important. These are mandatory approaches to keep tools running at optimized cycle times for the most productive quality parts.
Many companies fail to relate the impact of efficient and effective maintenance processes for their injection molds with cost effectiveness.
When there is a failure to consider both part design and mold design, it leads to greater costs for manufacturing. Plastic injection molding of parts is only as good as the injection mold that is manufacturing them.
Anytime a mold is less costly to buy up front - it may well mean higher on-going costs during the life of the tool. These added expenses include frequent repairs and maintenance over the life of the tool.
Costs can be added to your product by poor quality and a slower than anticipated cycle time. To achieve faster cycle times the tool will need uniform cooling throughout the cavity details, which requires a well-designed tool and a higher precision mold.