In a triple-roller solution, the item rotates between three rollers that ensure extremely accurate label-placement because the item is held in place and stands straight as an arrow as the label is dispensed.
Method:
We recommend this dispenser if you want truly great precision and a dispenser that takes account of any lopsided product features – and if you want to make sure that the products don’t tip over while being labelled and if a moderate output rate is sufficient for your production line.
In a triple-roller system, a separator releases the items. The product is caught by two rollers and fed to a driving roller. This rotates the item and dispenses a label.
The label is dispensed at a speed that corresponds to the product’s rotation.
After the product is labelled, the rollers loosen their grip and the item is fed to a rotary packing table or conveyor belt for further processing.
Control:
The whole process is controlled by a lightning-speed motion controller, whose settings are entered on an HMI touchscreen. The settings for the respective products are saved as recipes, which enables you to manage several types of items on the same line.
The dispenser can be controlled by selecting from external recipes and it can be included in the general line controls for sharing start and stop signals, for instance.
Dispenser advantages:
- Stable and reliable, even in harsh manufacturing environments (IP66 rating)
- Touchscreen for which all user settings are set and saved as recipes
- Two servomotors can be mounted for electronically adjustable web tension for plastic labels. This maintains constant tension on the label roll while taking account of the fact that the backing paper can give way during rapid acceleration
- Simple to operate during format changeover and it manages 99 recipes
- Maximises uptime
- Guarantees high capacity and unparalleled precision
- The equipment handles semi-automatic and fully automatic labelling feed-in so regardless of whether your products are manually placed (such as on a rotary table) or fed onto the belt from a filling machine, the equipment receives the starting signals it needs
Options:
In addition, we advise you to consider whether to supplement your new system with:
- A format set that enables you to change between item types and label dimensions quickly and easily
- A rotary table that can increase capacity because the items are accumulated before and/or after labelling, freeing up the operator for other tasks without having to stop the production line
- A queue monitor, which prevents the system from advancing items if a bottleneck develops on the belt, while sending a stop signal to the filler machine, for instance, at the same time
- A sensor for applying the label to a specific location on the item, such as in relation to the lid’s ring lock
- A rejecting unit that rejects items deemed faulty, e.g. if a lid is not correctly attached or if a product is below the minimum weight
Master/backup:
If you need to be able to replace a label roll while the line keeps running, you can choose a master/backup solution fitted with two identical dispensers. While the roller is being replaced on one dispenser, the other takes over the labelling process.
There are other benefits of having a backup dispenser, because it can ensure that labels are applied to all products, if it detects a label is missing on the label web, for instance. By having fluorescent material in the labels and a luminescence sensor mounted on the machine, the secondary dispenser will apply labels to any items that might have been skipped by the master dispenser.
Combinations:
The machine can combine different solutions so it comprises multiple dispensers to label products from different sides.
- Top
- Bottom
- Side
- Wrap-around
Printing solution:
Another popular solution is to mount a printing solution on the dispenser for printing a date, batch no., list of ingredients, logo or other data on the labels.
Hot-stamp coders
Thermal transfer printers
Inkjet printers
Be inspired:
The solutions seen below depict the principles of triple-roller labelling.
The dispensers are configured for customers’ specific labelling tasks.
We will gladly supply a custom solution for you.
Pssst...!
Rumour has it that our triple-roller module is what makes the world go round :-)
