How To Choose A Labeling Machine For Different Containers

Labels are often regarded as mere identifiers for products, however,  in reality, they are a lot more complex than they appear. Labeling machines play an integral role in the packaging industry, ensuring products are labeled accurately and efficiently.

For businesses, selecting a labeling machine for their specific container affects productivity and accuracy. The factors that affect the choice of a labeling machine include the container’s shape, material, and size, as well as the machine’s operational speed and label application techniques.

This article provides a comprehensive guide on choosing the right labeling machine tailored to different containers. With a clear understanding of the characteristics and functionalities of various machines, businesses can make informed decisions that optimize their labeling processes.

Labeling machine 4

Ⅰ. Key Factors to Consider When Choosing a Labeling Machine

The most important factors to consider when choosing a Labeling Machine are listed below.

  1. Volume and Speed Needs: It is critical to assess what your current and future production volume and speed are set at.
  2. Volume: To assess your needs in terms of volume begin by calculating your current production volume. How many containers need to be labeled within a set period (daily, weekly, monthly)? Consider peak production periods, seasonal fluctuations, and any potential growth or scaling back.
  3. Operational Speed: Speed is a two-fold consideration. First, understand your production line’s pace and how quickly containers move through it. Second, consider the actual speed at which the labeling machine can operate without compromising accuracy.
  4. Future Projections: While immediate needs are a priority, it’s wise to project future requirements. This prevents the premature obsolescence of machinery and ensures that you’re investing in equipment that will serve you well for years. For this reason, the machine you choose should allow for an increase in scale.
  5. Integration with Other Systems: How seamlessly will the labeling machine integrate with other systems? If your production line is automated, ensure that the chosen labeling machine can easily fit in and sync with existing operations.

bottle labeling machine

Ⅱ. What Types of Machines are Suitable for Small-scale vs. Large-scale Operations?

The machines suitable for differently sized operations are discussed below.

  1. Small-scale Operations: Manual Labeling Machines are often Ideal for businesses that produce a limited number of containers. These are cost-effective and don’t require significant training to operate. Semi-automatic machines are suitable for operations that need a bit more efficiency than manual machines but aren’t operating at a large scale. They require some manual input but can enhance the speed of the labeling process.
  2. Large-scale Operations: Fully Automated Labeling Machines are designed for high-speed operations and can process large volumes efficiently. They are ideal for industries that require consistent and rapid labeling without manual intervention. Inline Labeling Machines are ideal for businesses that need continuous labeling processes, inline machines are designed to handle vast volumes and can be integrated seamlessly into existing production lines. Versatility in Operations may be required by some businesses. Certain industries benefit from machines that can handle both small and large-scale operations. This means that modular machines, which can be upgraded or modified based on requirements, can be a worthy investment.
  3. Type of Containers: Every product has unique packaging needs, and containers come in diverse shapes and sizes. The choice of the labeling machine isn’t solely based on production volume or speed but also hinges significantly on the type of container being labeled. Ensuring the compatibility between container type and labeling machine is pivotal for precision, efficiency, and aesthetics.
  4. Cylindrical (Bottles, Cans): Cylindrical containers demand labeling machines that can adapt to their curves. Wrap-around Labelers: These machines are designed to apply labels around the entire circumference of the container. The label is dispensed onto a container as it moves on a conveyor system, ensuring it wraps around the product seamlessly. Rotary Labelers: Suitable for high-speed applications, these labelers rotate the container to apply the label with high precision. Front and Back Labelers: Perfect for bottles or cans that require labels both at the front and the back. They use two labeling heads to apply labels on opposing sides of the cylindrical container.
  5. Flat Containers  (Boxes, Packets): Flat containers have a different set of requirements, given their planar surfaces. Top and Bottom Labelers: Designed to apply labels to the top and/or bottom of flat products. They’re especially useful for boxed goods or sealed packets. Front-apply Labelers: These machines apply labels on the front face of flat containers or packages as they move along a conveyor.
  6. Tapered (Cosmetic Containers): Tapered containers pose a unique challenge due to their sloping sides. Flexible Tamp Labelers: These labelers are designed to adjust to the taper of the container, ensuring labels are applied smoothly without wrinkles or air bubbles. Custom Rotary Labelers: Some tapered containers, especially those with extreme angles, might require custom rotary labelers that rotate the container to match its slope with the label’s application angle.
  7. Irregular Shapes (Unique Packaging): Irregularly shaped containers defy the standard shapes, requiring more versatile labeling solutions. Pneumatic Tamp Labelers: Using air pressure, these labelers can adapt to the shape of the container, ensuring that the label conforms well to its surface. 3D Adaptive Labeling Systems: For truly unique packaging, these machines use multi-axis systems to navigate and adjust to the container’s shape, applying the label precisely where it’s needed.

round bottle labeling machine (1)

Ⅲ. Type of Labels

The type, material, transparency, and size of labels play significant roles in determining the appropriate labeling machinery. Understanding the intricacy of different labels ensures an effective and efficient labeling process, elevating the product’s final appearance.

1. Adhesive Stickers vs. Shrink Sleeves

Adhesive and Shrink Sleeve labels require different equipment.

Adhesive Stickers

  • Self-adhesive Labeling Machines: These machines are designed for labels that come with a pre-applied adhesive. As the label is dispensed, it sticks to the container due to its inherent adhesive properties.
  • Tamp Labeling Machines: Especially useful for products that need precise label placement. They press or ‘tamp’ the adhesive sticker onto the product.

Shrink Sleeves

  • Shrink Sleeve Labeling Machines: These machines place a plastic or polyester sleeve label onto a product, after which heat is applied, causing the sleeve to shrink and fit snugly around the container.
  • Steam Tunnels: For shrink sleeves that require steam to achieve the desired shrink, steam tunnels are used post-application to achieve a smooth finish.

2. Clear Labels vs. Opaque

Clear and opaque labels require different solutions.

Clear Labels

  • Optical Labeling Systems: Clear labels require precise placement. Optical systems use sensors to detect label edges and ensure accurate application.
  • Air-blow Labelers: Useful for clear labels as they minimize wrinkles and air bubbles by using a gentle burst of air during application.

Opaque Labels:

  • Standard Label Applicators: Since opaque labels are easily discernible, standard applicators can place them without the need for specialized sensors.
  • Tamp or Wipe-on Applicators: Ideal for ensuring a smooth finish without bubbles.
  • Size, Shape, and Material of the Labels

3. The label and container size affect the choice

  • Integrated Labeling Systems are suitable for larger labels, these systems can adjust to various label sizes, ensuring consistent application.
  • Compact Applicators are more appropriate for smaller labels, compact applicators can handle and apply them wprecisely

desktop labeling machine (2)

Ⅳ. The Shape of the Label

The shape of the labels must be considered when selecting a labeling machine.

  • Contour Labeling Systems: These systems can handle labels
  • of unique or irregular shapes, ensuring they adhere well to their corresponding products.
  • Multi-axis Labeling Systems: For complex label shapes, these systems can adjust their application angle to ensure accurate placement.

The Material Used For The Label

The type and strength of the labels must also be factored in.

  • Delicate Material Handlers: For labels made of fragile materials like certain papers or thin plastics, gentle applicators ensure no damage during the process.
  • High-tension Applicators: For tougher label materials, these applicators ensure labels are stretched tight and applied without wrinkles.

labeling machine

Ⅴ. Cost, and Budget

For businesses looking to procure labeling machines, the decision largely hinges on cost and budget considerations. In essence, the total cost of ownership, as well as the expected return on investment, guide this choice.

1. Initial Investment vs. Long-term Benefits

When considering a labeling machine, businesses often first look at the initial investment. For some companies, especially start-ups or those on a tight budget, this can be the deciding factor. Basic labeling machines with manual operations or limited functionalities are less expensive initially. However, it’s crucial to juxtapose this initial outlay with the long-term benefits. Automated or more sophisticated labeling machines, though costlier upfront, can provide several advantages:

  • Increased Efficiency: They can handle larger volumes of products in less time.
  • Precision: Higher-end machines typically have better accuracy, reducing errors.
  • Scalability: As a business grows, a more advanced machine might be better suited to handle increased demand without needing an immediate replacement.
  • Over time, the increased efficiency and potential for higher output can lead to substantial cost savings, thereby justifying the higher initial investment.

2. Maintenance Costs and Availability of Replacement Parts

Beyond the initial purchase, the ongoing costs must be understood. A machine’s maintenance costs and the availability (or lack thereof) of its replacement parts can have a significant impact on its total cost of ownership. Maintenance Costs: All labeling machines require maintenance. Some machines require specialized servicing. This could mean higher costs in terms of hiring expert technicians or frequent servicing intervals. Availability of Replacement Parts: A machine is only as good as its ability to function. If a part breaks down and there’s a delay in sourcing a replacement, it could lead to downtime, which in turn can mean losses for a business. Before investing in a machine, check the availability of its parts. Are they easily accessible? Are there multiple suppliers, or is the business dependent on a single source? Resale Value: High-quality machines, even if initially more expensive, tend to have better resale values. Should the machines need to be upgraded in the future, the higher the resale value lower the upgrade expense.

tube labeling machine

Ⅵ. Understanding Different Types of Labeling Machines

There are two approaches to labeling

1. Manual Labelling Machines

The advantages and disadvantages of manual labeling machines are.

2. Advantages of Manual Labelling Machines

  • For more intricate labeling tasks or when dealing with data that are particularly challenging to label, manual labeling machines can offer a higher degree of accuracy compared to automatic systems.
  • Unlike automatic systems, which require rigorous training on well-labeled datasets, manual labeling machines bypass this often labor-intensive and time-consuming process.

3. Disadvantages of Manual Labelling Machines

  • One of the biggest disadvantages of manual labeling machines is their speed. Automatic systems typically outpace them in terms of labeling efficiency.
  • While manual machines can achieve high accuracy, they might not always guarantee the same level of consistency over prolonged periods or large batches, especially when compared to their automated counterparts that operate based on algorithms.

4. Automatic Labelling Machines

Automatic labeling systems present distinct advantages, including speed and potential accuracy over their manual counterparts.

  • The effectiveness of these systems hinges on the thoroughness of training algorithms using well-labeled datasets. Preparing these datasets can be demanding both in labor and time.
  • While automation offers efficiency, it’s essential to note that for intricate tasks or challenging-to-label data, manual labeling might still provide superior accuracy.
  • Modern automated labeling systems are equipped with the capability to detect changes in the diameter of the item being labeled. This means that if there’s a variation in size during the labeling process, the machine can automatically adjust to accommodate the change, ensuring a consistent application.
  • Another distinct advantage is the system’s ability to provide high-quality labeling irrespective of the material of the surface.
  • Whether the surface is smooth, rough, porous, or made of unique materials, automated labeling systems can generally ensure that the label adheres effectively and maintains its appearance.
  • This versatility makes it suitable for a broad range of products and industries.

5.Vertical Labeling Machines

This labeling equipment is efficient and adaptable.

  • Vertical Labeling Machines can process approximately 150 containers per minute, though this rate varies based on the label and container size.
  • Typically, these machines are used for labeling cylindrical containers in a vertical orientation. They operate automatically, eliminating the need for part adjustments.
  • It also incorporates a roller spacing design to position containers correctly.
  • Its accuracy and quick changeover capability make it a reliable tool for labeling tasks.
  • Overall, this machine has a high capacity for continuous work, accommodating diverse products and surface materials
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