Knowledge Base
One board uses several reels and one reel feeds several boards — a many-to-many relation. Reel-level traceability can only be reconstructed from loading timestamps and routing time windows.
Read 2 min
Steps get skipped in DIP not because operators forget, but because nothing enforces the order. Routing checks must hold three things: station sequence, no-skip rules and the rework return path.
Read 3 min
A material error-proofing system checks feeder, part number and substitution before placement and blocks on mismatch. Blocking falls into scan prompt, scan-and-lock, and scan-and-lock plus splice verification.
Read 3 min
Fridge removal, warm-up, stirring, opening, issuing, replenishing and leftover handling — how each step is recorded, and where it usually breaks.
Read 4 min
One scan, one feeder comparison, alarms that do not stop the machine — these three decide the ceiling of error-proofing.
Read 4 min
Aperture inspection, tension test, inbound, issuing, loading, cleaning — where the stencil record most often breaks.
Read 4 min
One rule decides it: things managed by day and by money belong to ERP; things managed by minute and by physical unit belong to MES. Most conflicts sit in work-order numbers, stock definitions and BOM versions.
Read 2 min
Error-proofing is not one scan but three checks with different purposes. Scanning only after loading still lets changeover and splicing errors through.
Read 2 min
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