RFID mold mapping is a system in which every plastic mould is tagged with a rugged UHF RFID tag, and each plastic injection moulding machine is fitted with an RFID reader and antenna. The moment a mould is mounted, the machine reads its tag, identifies exactly which mould is loaded, confirms it is the correct mould for that job and machine, and begins logging production automatically. Convalexa deploys this on machines from 50 tons to 1500 tons clamping force — the range typically used to mould automotive plastic parts.
The problem on the shop floor
A moulding plant may run hundreds of moulds across dozens of machines. Moulds are heavy, expensive and visually similar. Common pain points include: mounting the wrong mould on a machine, no reliable record of how many shots a mould has run (so preventive maintenance is guesswork), time lost locating moulds in storage, and weak traceability linking a batch of parts to the exact mould and machine that produced it — a real concern for automotive quality audits.
How RFID mold mapping works
- Tag the mould — a metal-mount UHF RFID tag (such as the IP67-rated REFLECTA MET-A730) is fixed to each mould, encoded with a unique ID.
- Equip the machine — a UHF RFID reader and antenna are installed on the injection moulding machine, positioned to read the mounted mould's tag.
- Auto-identify on mount — when the mould is loaded, the reader captures its ID and the system validates the mould–machine–job pairing before production starts.
- Log automatically — every cycle is counted against that mould, building an accurate shot history and live machine status.
Benefits for automotive plastic moulding
| Capability | Outcome |
|---|
| Mould–machine validation | Stops wrong-mould mounting and the scrap, downtime and mould damage it causes. |
| Automatic shot counting | Triggers preventive maintenance at the right interval, extending mould life. |
| Mould location tracking | Find any mould in storage quickly; cut changeover time. |
| Production traceability | Every part batch is linked to a specific mould and machine for quality audits. |
| Works 50–1500 tons | One approach across the full machine fleet. |
Why UHF RFID suits the moulding environment
Moulds are metal, heavy and handled in hot, oily, high-vibration conditions — barcodes and labels do not survive. Rugged metal-mount UHF RFID tags read reliably off metal, withstand the environment (IP67), and need no battery or line of sight. A single reader and antenna on the machine reads the mounted mould automatically, with no operator scanning step.
Frequently asked questions
RFID mold mapping tags each plastic mould with a UHF RFID tag and fits an RFID reader and antenna on the injection moulding machine. When a mould is mounted, the machine automatically identifies it, confirms the correct mould–machine pairing and logs its usage — removing manual entry and wrong-mould errors.
Convalexa deploys RFID mold mapping on plastic injection moulding machines from 50 tons to 1500 tons clamping force, commonly used for automotive plastic parts.
It prevents mounting the wrong mould on a machine, automates shot-count and usage tracking for preventive maintenance, locates moulds in storage, and creates a digital traceability record linking each part batch to the mould and machine that produced it.
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