Blog
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.
Lights-out THT is not about emptying the floor overnight. It is about counting every place a person touches a board, then retiring those touches one station at a time.
The SMT side can run unattended. Then boards reach the through-hole benches, and the shift ends when the operators do.
An in-line jumper wire inserter that feeds and inserts jumper wires straight from the feeder at 20,000 CPH, eliminating the separate sequencer stage on THT lines.
A carrier clip costs less than a working lunch. The downtime it causes when it wears out costs a shift. Here is how to manage the wear before it becomes a failure.
Your SMT side is repeatable and your THT side is still people. Often the whole difference is one taped radial capacitor nobody can feed consistently.
An offline radial insertion station rated 22,000 CPH theoretical and around 13,000 CPH in production, covering 2.5 to 10.0 mm spans on boards up to 400 × 400 mm.
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