Coding and inspection
Coding, Barcode and Inspection Integration for Bottle Labellers.
Plan code, barcode and inspection interfaces as part of the labelling line.
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Request specification adviceCall 01494 623015Decide what is printed, where it is checked and what happens after a failure.
Coding and inspection should be designed around a controlled pack position. The correct location depends on whether information is printed onto the label web before application, onto the applied label, directly onto the bottle or onto a closure or carton elsewhere in the line.
| Function | Questions to answer | Integration consequence |
|---|---|---|
| Variable coding | What data is required, on which surface, at what stage and with what contrast or durability? | Determines coder technology, mounting position, product or web control and message selection. |
| Barcode application | Which barcode type, artwork size, orientation, quiet zones and placement rules apply? | Artwork and print quality should be confirmed against the applicable GS1 or customer specification, not judged only by appearance. |
| Label presence | Is the requirement simply to detect a label or to confirm identity, position and readability? | Determines whether a basic sensor or a vision-based inspection is appropriate. |
| Code inspection | Must the system check presence, legibility, content, date logic or barcode grade? | Defines camera, lighting, software, data source and validation responsibilities. |
| Reject handling | Where can a failed pack be removed and how is reject confirmation managed? | Requires conveyor space, product tracking, reject capacity and a safe, controlled reject process. |
| Recipe control | Who selects the label, code and inspection recipe, and how are mismatches prevented? | May require shared product selection, line control or a documented independent verification step. |
Print on the web or on the applied label?
Printing on the label web can provide a stable surface before application, but the coder must fit the web path and the printed area must reach the bottle in the correct orientation. Printing after application can use the bottle as the transport mechanism, so the labelled panel must be presented consistently and remain accessible. Direct bottle coding may avoid the label but introduces its own substrate, contrast and surface-control requirements.
Data and artwork
Provide the exact code content, character area, barcode specification, label artwork and the data source. Identify who controls message creation and approval.
Mechanical space
Show coder, camera, lighting, guarding, reject and service access on the line layout. Leave room for adjustment and consumable changes.
Controls sequence
Define triggers, product tracking, line-stop conditions, reject confirmation, recipe selection and what happens after power loss or restart.
Acceptance test
Use representative printed labels and containers. Include good packs, deliberately missing or incorrect samples where safe, and the agreed verification method.
Barcode quality is a specification, not a visual judgement
Barcode placement, quiet zones, contrast and verification requirements should be confirmed with the applicable GS1 guidance and the customer's trading-partner rules. A scanner reading a few samples does not by itself establish a verified barcode grade. Record who owns artwork approval, print quality and ongoing verification.
Continue with the date-coding integration guide, conveyor integration guide and FAT checklist. For print-and-apply systems rather than pre-printed self-adhesive labels, see Lancing's print-and-apply machinery resource.
Specify the complete code-to-reject sequence.
Send the artwork, code content, inspection requirement, line layout and the required response to a failed pack.