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Overview of SMT Processes for Enhanced Productivity
By Chris Dayney, Technical Marketing Manager, Fuji America Corporation
compact, high-performance devices requires balancing output with reduced labor and time. Here we outline five key strategies — product changeover optimization, common materi- al setups, non-stop resupply, program opti- mization, and monitoring success to elimi- nate defects — that align with industry best practices for boosting efficiency. These approaches can yield improvements in changeover times and overall equipment effectiveness (OEE).
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Product Changeover Changeover involves switching be-
tween products on the production line. Manual product changeover involves man- ually loading programs, adjusting feeders, nozzles, and conveyors at the machine on the production line. This is simple for small operations or solo setups; flexible with com- mon configurations to minimize exchanges. It is also time-consuming and labor-intensive, requiring physical adjustments and program transfers for each machine. External (remote) changeover prepares
feeders, parts, and tools offline on carts, trol- leys, or pallets away or “external” from the production line. This uses “common setups”
Offline feeder preparation and external changeover strategies significantly reduce downtime in high-mix SMT production environments.
dedicated prep areas. Schedule-based pre- setup can cut changeover time significantly. Automatic job changeover uses barcode
scanning to automate job switches across the line. In Kanban mode the operator scans prod- uct ID at the line start. In panel ID mode the first machine reads the barcode and propa-
urface Mount Technology (SMT) assem- bly is pivotal in modern electronics man- ufacturing, where rising demand for
for batch preparation; offline power units dis- play feeder status (e.g., red for exchange, yel- low for setup, green for ready). Some systems automatically unload feeders. It is ideal for high-mix environments; can eliminate online changes if space allows
gates changes. This can be used with external changeover or batch changeover to streamline product changes. This reduces manual inter- vention, speeding up transitions. Packetized changeover involves auto-
matic changeover of magazine feeder car- tridges that are moved by a smart loader and supply loaded feeders into appropri- ate slots. No operators needed. This uses “feeder cartridge maga-
zines” for batch preparation and an offline kitting station for preparation of kits to be delivered to the line by automatic guided vehicles. SMT machines use an automatic smart loader to deliver the appropriate feeder to the correct slot. This is ideal for high-mix environments; can eliminate on- line changes if space allows dedicated prep areas.
Common Material Setups Grouping jobs by shared components
maximizes feeder utilization, slashing changeover frequency while trading mi-
nor cycle time hits for overall gains. Using host software provided by the machine man- ufacturers to merge setups based on part commonality, prioritizing speed over per-job optimization. Export work orders as CSV for manual merging if needed, aiming for setups
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Introducing 2 new models of Sayaka PCB Depaneling Router
Stand-alone/In-line 34XJ model offers flexibility and advanced features
S fl
· Stand-alone or In-line selection
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speed (Max 1000mm/sec)
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23785 Cabot Blvd. Suite 306
Hayward, CA 94545 Tel: 510-293-0580 Fax: 510-293-0940
See at APEX Expo, Booth 1434 Clean depaneling
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· Upgraded dust-collection system
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repeatability (±0.01mm/10μm)
March 2026
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