L sealer machine UK
Useful next step for comparing L sealers, shrink tunnels, film route and quotation requirements.
Technical guide
Shrink tunnel conveyor speed guide
Shrink tunnel conveyor speed controls how long the pack stays in the hot air zone. It works together with temperature, airflow, film type and product size to create the final shrink finish.
Key checks for shrink tunnel conveyor speed guide
Shrink tunnel conveyor speed controls how long the pack stays in the hot air zone. It works together with temperature, airflow, film type and product size to create the final shrink finish.
- Film type
- Pack height
- Tunnel opening
- Belt speed
- Airflow and temperature
Dwell time matters
A pack moving too quickly may not shrink fully. A pack moving too slowly can over-shrink, wrinkle or affect product presentation. Correct settings depend on samples and film.
Balance with sealer speed
The tunnel must keep pace with the sealer while still allowing enough time for the film to finish properly. The two machines should be specified as a system.
Product sensitivity
Lightweight cartons, heat-sensitive products and unstable bundles may need different speed and temperature settings from heavier boxed goods.
Details to send for a useful recommendation
| Product range | Largest and smallest pack dimensions, product weight, photographs and notes about pack stability. |
|---|---|
| Production target | Required packs per minute, daily volume, shift pattern and expected changeover frequency. |
| Film and finish | Preferred film type if known, presentation standard, seal position and any retail requirements. |
| Site information | Available floor space, power, compressed air, access route, conveyor height and downstream packing method. |
FAQ
Shrink tunnel conveyor speed guide FAQs
Can one tunnel setting run all products?
Not always. Different sizes and films may need different settings.
Does tunnel speed affect wrinkles?
Yes. Speed, temperature and airflow all influence shrink quality.
Should tunnel be specified with the sealer?
Yes. This avoids a mismatch between sealing speed and shrink capacity.
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