Labeling machines are probably the most important aspect of a production line in modern society as they automatically label products with important features such as ingredients and barcodes. This speed ensures accuracy when labeling, reducing the chances for human error. Let us look further into the automatic processes that labeling machines are capable of completing.
Key Components of a Labeling Machine
Before getting deeper into the process, it is helpful that we highlight the major parts of the labeling machine.
| Labeling Machine Component | Function |
| Label Dispenser | Covers every dispense station in the plant where labels are formatted on a roll and placed onto products. |
| Conveyor System | Transports various goods to the right spot where they will have the needed label placed on them. |
| Label Applicator | Responsible for putting the needed identification in the correct relative area of the goods surface. |
| Control Panel and Sensors | Watches over the machine, takes feedback on its custom operations, and adjusts it to make it more accurate |
| Print & Apply System | Prints labels containing set information such as in-text dates, or barcodes. |
How To Use A Labeling Machine Step By Step
Once all the components have been labelled and organized according to parts, the automatic workflow of a label machine can begin with fitting underneath a workbench. While exerting force on the step, the machine yields results in one deft movement as the label is attached. The final result places the label in the exact location needed.
Step 1: Loading the Label Roll
In the very beginning, the roll containing the labels must be properly installed in the machine. The roll needs to be fitted in a specific way so that it properly feeds into the system. Any errors in the positioning of the roll can lead to malfunctioning and misfeeding or jamming problems.
The amount of tension on the roll needs to be optimal. If it is too tight, the labels will rip, and if it is too loose, the machine will misfeed the labels. All machines need this step to function correctly.
Step 2: Unwinding and Separation of Labels
Once the roll is set, it is up to the machine to unwind the label. There is a set of rollers or air jets whose responsibility is to separate the label from its backing paper. This step ensures that the label is applied properly to the product because it will be peeled off cleanly.
The apparatus that performs the peeling task is very important. Because the mechanism to prepare the label for subsequent phases must not snag or damage the label.
Step 3: Product Labeling Sequence
Then afterwards, the product subsequently moves to the labeling station where it is advanced within the conveyor system. While the product is in motion, the label is oriented so that it can be applied to the product. Some products such as modular bottles which are cylindrical in nature need more detailed approach towards alignment.
In these static product alignment cases, the machine has to ensure that the label is properly re-centered to the product’s geometric center. This step is important since all labels in a given application are applied systematically which guarantees uniformity in the operation.
Step 4: Label Positioning and Application
We now turn to the actual labeling portion. Labeling is done via a label applicator which puts the label onto the product. Depending on the type of label and product, there are a few different methods of application:
- Roll-Fed Labeling: The most basic, and therefore simplest, method of application. As the product moves down the conveyor, the label is taken off a roll and wrapped around the product. This works effectively for jars and bottles.
- Shrink Sleeve Labeling: In this process, the label is firstly applied loosely, before the application of heat is used to tightly secure the label around the product. This is often used for drink bottles, where a snug label is preferable.
- Labeling with Pressure-Sensitive Adhesives: This system employs a sticky adhesive classified as pressure sensitive on the rear of the label. The label adheres at the moment of contact to the product without necessitating heat or pressure. This is typical with regard to food and cosmetics containers.
Every one of these systems is fitted for a specific type of product and labeling material. The machine guarantees that the label is accurately positioned every single time in a way that the label does not unstick, wrinkle, or peel off.
Step 5: Review and Adjust
Once a label is applied, the machine does not stop there. It now has to check to make sure that the label is indeed positioned in the correct location. The machine has its own sensors which allow it to check if the label placement is correct for the product.
The machine is fully capable of adjusting its operations midstream if the label is not placed correctly. In some cases, the machine may even stop the entire production line so the issue can be resolved. For the rest of the products which have been correctly labeled, they are permitted to freely keep moving down the assembly line.
Conclusion
Labeling machines improves accuracy and efficiency of production. With these machines, the entire process is monitored including loading the roll with the label and the last check of its positioning. Labeling machines help businesses operate on optimal speed and accuracy, along with streamlined operations. Any enterprise wishing to improve their productivity and uphold quality will benefit from investing in a labeling machine.
More resources:
Semi-automatic labeling machine – Source: SAINTYCO
Labeling Machine Guide – Source: SAINTYCO
