Injection molded plastics can be manufactured in a dizzying array of sizes, shapes and colours from various mixes of elastomers, resins and polymers calibrated to meet the specific needs of each application. With over 19,000 blends of available materials possible, it's one of the most versatile solutions there is for the production of large manufacturing runs of identical, independent pieces of high-quality plastic assemblies. But there are strict parameters that must be adhered to in order to successfully manufacture injection molded plastics and these can interfere with the success of a manufacturing run. Weighing the pros and cons of the process can help you determine whether it's the right choice for your company's needs.
Injection molded plastics have several advantages over other forms of reproduction such as stamping for several reasons:
Despite the versatility and appeal of injection molding, there are a few down sides to using this form of reproduction for the parts your company needs, including:
Many manufacturers who routinely use molded polymer or resin parts in their own products opt to contract out the creation of their plastics to companies that do nothing but injection molding. The immediate cost savings in utilizing their equipment instead of investing in your own can reduce costs significantly, particularly since they will be able to use certain elements in other situations, spreading your costs out over multiple runs as well as multiple uses. Contract manufacturers can also run up to three regular shifts, giving you the flexibility for rush orders at times of seasonal peak without having to add additional, seasonal employees at your own assembly facilities. Because contractors have their own engineers, ongoing training and years of experience with a variety of materials, contract injection molded plastics manufacturers can provide you with cost effective, quality solutions that don't require more time, money or space in your own facility.
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