A FOD-free, automated assembly line is one in which no process step, including fastening, generates loose debris, and in which every threaded joint installs, performs and is serviced consistently enough for robots to repeat it without intervention. For threaded joints, the most direct way to achieve this is to reinforce threads with wire thread inserts and to remove the tang break-off stage altogether by specifying tangless inserts. Doing so eliminates a source of Foreign Object Debris (FOD), a process step and a cause of joint variability in a single design decision.
This guide brings together the key lessons from our series on reliability in high-volume, automated manufacture. It explains why FOD control now matters well beyond aerospace, where fastening introduces debris and inconsistency, and how engineers can design threaded joints that support repeatable robotic assembly, faster maintenance and dependable performance in harsh environments.
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