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The polymer polyetheretherketone, more commonly known as PEEK, is becoming increasingly popular within the medical device industry and, in particular, the implantable arena. PEEK, an organic polymer thermoplastic, weighs less and is more compatible with diagnostic imaging. PEEK also improves the biocompatibility of load-bearing implants such as spinal cages, bone screws and knee replacements. PEEK offers other advantages as well, but injection molding or plastic machining can leave residual flash or burrs. Without proper finishing, issues during medical device assembly or implant usage may occur.
Manual or hand deburring doesn’t require the use of production equipment but is time-consuming to perform. According to some PEEK implant manufacturers, workers may need 15 minutes to deburr just one part. Manual deburring can also introduce issues with quality and consistency. With any implant material, medical device manufacturers must meet tight tolerances. They also need ensure that parts deburred on a Monday morning have the same surface quality as parts deburred on a Friday afternoon.
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