What is Labeling Machine?
Labeling machine, also known as a labeller, is a device that sticks rolls of self-adhesive paper labels (paper or metal foil) on PCBs, products or specified packages. Industrial labeling machines are an integral part of modern packaging.
Automatic Round Bottle Labeling Machine
How Does the Labeling Machine Work?
Boxes, bags or bottles are transported to the labeling section of the labeling machine at a constant speed on a conveyor belt and collected sequentially.
Mechanical fixtures separate the boxes by a fixed distance and push the boxes in the direction of the conveyor belt.
The mechanical system of the labeling machine includes a drive wheel, a labeling wheel, and a scroll. The drive wheel intermittently drags the label tape to move, the label tape is pulled out from the reel, and at the same time passes through the labeling wheel, the labeling wheel will press the label tape on the packaging box.
The open-loop displacement control is used in the design of the reel to maintain the tension of the label tape. Because the labels on the tape are closely connected to each other, the tape must be continuously started and stopped.
The label is applied to the case with the applicator wheel moving at the same speed as the case. When the conveyor belt reaches a certain position, the label belt drive wheel will accelerate to a speed matching the conveyor belt, and after the label is attached, it will decelerate to a stop.
Since the label tape may slip, it has a registration mark on it to ensure that each label is placed correctly. The registration mark is read by a sensor, and during the tape deceleration phase, the drive wheels are repositioned to correct for any mispositioning on the tape.
Simply, the entire labeling process is as follows:
Release Product —> Product Delivery —> Product Correction —> Product Inspection —> Labeling —> Collect Labeled Products
What is Labeling Machine Used for?
According to different labeling functions, it can be divided into flat labeling machine, double side labeling machine, side labeling machine and circular labeling machine.
Flat Label Applicator
The flat labeling machine realizes labeling and filming on the upper plane and upper curved surface of the workpiece, such as boxes, books, plastic shells, etc. There are two methods of rolling and sucking, and the selection is mainly based on efficiency, accuracy and bubble requirements.
The plane labeling machine can complete automatic labeling on both sides of the front and back, and is suitable for automatic labeling on both sides and the circumference of round bottles of various flat and square products in the food, daily chemical, pharmaceutical and other light industries.
Double Side Sticker Labeling Machine
The double side labeling machine can automatically attach self-adhesive labels and films on the side plane, side large arc and square peripheral of the product surface, such as the labeling of round bottles and flat bottles. The automatic bottle labeling machine is widely used in food, toys, daily chemicals, electronics, medicine, hardware, plastic, printing and other industries.
Side Labeling Machine
The side labeling machine has a wide range of application space in the market. It is widely used in cosmetics, daily chemicals, electronics, medicine, plastics and other industries. The equipment can adapt to the single or two side of flat bottles, round bottles and square bottles of different sizes.
Circumferential Labeling Machine
Circumferential labeling machine is suitable for labeling on the circumference of round bottle objects. It can do single label and double label, and the distance between the front and back double labels can be flexibly adjusted, such as gel water round bottles and food round cans. This type of labeling machine is widely used in cosmetics, food, medicine, disinfectant and other industries.
Whole-Line Interface and Integration
A labeling machine is rarely a stand-alone purchase. It sits between filling and capping, or before cartoning and case packing. Integration quality determines whether your line runs or fights itself.
Mechanical interface
Conveyor height, side rail profile, and transfer star-wheel pitch must match your existing line. SED Pharma designs to a standard infeed/outfeed height (adjustable ±50 mm) and supplies matching timing screws so containers hand off without queuing.
Electrical and control interface
For a line PLC, the labeler should expose I/O for “product in position,” “label applied OK,” and “fault” signals, plus an emergency-stop daisy chain. SED Pharma supports standard protocols (Modbus/TCP on request) so the labeler becomes a node in your MES rather than an isolated island.
Serialization and vision (pharma focus)
For regulated markets, the automatic labeling machine is the natural point to apply and verify unique codes. SED Pharma offers an integrated vision reject gate that removes mislabeled units before they reach the cartoner, protecting both compliance and recall exposure.
How to Operate Labeling Machine?
Labeling machines can be divided into semi-automatic and fully automatic types. The main difference is whether manual operation is required.
The automatic labeling machine does not require manual labeling, and only needs to put the product on the conveyor line.
In addition, before starting the machine, we need to adjust the labeling speed and labeling position on the touch screen, and then put the product on the conveyor line to try the labeling effect. Keep debugging the labeling parameters, until the desired labeling effect is obtained.
Different from the automatic labeling machine, manual assistance is required to complete the labeling action of the semi automatic label applicator. After placing the product on the fixed labeling position, the desktop semi-automatic labeling machine needs to manually press the labeling handle again, and the handle drives the rotation of the label to stick the label on the product, then the adsorption of a label is completed.
Where to Buy Pouch Labeling Machine?
SED PHARMA, one of the leading sticker labeling machine manufacturers, focus on providing types of labeling machines for pharmaceutical, food, cosmetic, chemical and other industries. The labelers can realize high accuracy work by adopting step motor for driving, PLC control system, photoelectric detection sensor, alarm system.
Welcome to leave your questions or buying requirements to get details from SED PHARMA!
FAQ
Q1. What is the difference between an auto-labeling machine and an auto-label machine?
Functionally, they refer to the same class of equipment; “auto label machine” is simply a shorter industry shorthand. Both describe equipment that applies pre-printed self-adhesive labels without manual placement. The substantive differences are in speed class, applicator type and validation level—not in the name.
Q2. Do I need a sticker label printing machine or a pure applicator?
If every unit carries the same static artwork, a pure applicator (lower cost, higher speed) is enough. If you need variable data—lot number, expiry, or serialized 2D code—choose a print-apply combo. Budget the print engine as a separate line item and confirm ribbon/ink cost per 1,000 labels.
Q3. How do I compare prices between manufacturers?
Compare like-for-like on frame material (304 vs 316L stainless), servo vs clutch drive, vision/inspection inclusion, spare-part kit, documentation package, and warranty response time. A 20% cheaper quote that omits IQ/OQ docs can cost more than the difference during audit season.
