
The most expensive sound on your PCB line is the silence of manual insertion
Ten stations of operators placing radial parts one by one is not labor — it is a recurring tax on quality, capacity, and planning. Here is how to size the escape.
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Field notes from Jason Wu — 30+ years of hands-on THT auto insertion experience. Articles on custom-designed SMT & THT machines, odd-form feeding, wave soldering, and spare parts for future-proof, cost-effective EMS production lines.

Ten stations of operators placing radial parts one by one is not labor — it is a recurring tax on quality, capacity, and planning. Here is how to size the escape.

Connectors, transformers and relays do not have to mean hand insertion. Bowl, belt, tube, tray, reel — each feeding level buys you speed and polarity control.