In today's fast-paced business environments, efficient and cost-effective packaging solutions are essential. An excellent way to achieve this is by incorporating an automatic L-bar sealer into your production. This automated machine provides a range of benefits, including increased productivity and efficiency, versatile packaging options, precise and high-quality seals, and reduced labor costs.
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An automatic L-bar sealer is a packaging machine that seals and wraps products in a variety of materials, including shrink film, using a heated sealing bar that creates a seal around the product. The machine automatically feeds seals and cuts the film, making it a fast and efficient way to package products. It is called an L-bar sealer because the heated sealing bar has an “L” shape, which allows it to wrap around the product's edges, creating a secure seal.
There are two categories of seal bars: hot wire seal bars and hot knife wire seal bars.
This type of bar seal uses a heated wire to cut and join the surfaces of the film together with a molten edge bead, creating a precise and high-quality seal. The hot wire melts the edges of the film to form a strong bond that keeps the product securely wrapped during transportation and storage.
Unlike the hot wire seal bar that cuts through the film, the hot knife seal bar melts the film to create a strong, continuous seal without any edges. This can be particularly useful when packaging products that require an airtight seal, as it helps to prevent any air from entering or escaping the package. Additionally, the hot knife seal bar can be covered with non-stick materials to prevent sticking to the hot tooling.
A perforated roller is an optional add-on for an L-Bar Sealer that allows air to vent out while the product is passing through the heat shrink tunnel. This helps prevent air bubbles from forming, which can cause the packaging to look unprofessional or even cause damage to the product inside. It is important to note that a specific type of film is needed to use this add-on and not all films are compatible with perforated rollers, so it is recommended to consult with a film expert before using one.
A selvage rewinder is another add-on component for an L-Bar Sealer that is designed to spool the excess film that is not used for the finished product. This rewinding process keeps the production area clean and organized and can also help reduce the amount of waste generated during the packaging process. The selvage rewinder can be located either internally or externally to the L-Bar Sealer, depending on the specific design of the machine.
Selvage rewinder to spool excess film that isn’t used for the finished product. These can be found externally or internally.
If you are considering purchasing an automatic L-Bar Sealer, you may also require certain upstream and downstream equipment to ensure a smooth production line. It's worth noting that the list provided below is not comprehensive and there may be additional equipment that could enhance your operation.
The L-bar sealer is an efficient piece of equipment for manufacturers looking for a fast yet cost-effective packaging solution. These machines use a seal bar shaped like an "L" to streamline the packaging process by sealing and forming the top of the next package. L-bar sealers create crisply wrapped packages and bundles for a variety of products, including irregularly shaped items, and can wrap a group of products together.
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Are All Of Your Boxes The Same Size?
The type of sealer you need will depend on the size of boxes going through your packaging line. If you are going to process large amounts of the same size box, then a standard uniform case sealer would be appropriate for you. If you are going to have various sizes of boxes pass through your packaging line, you'll want to have a random case sealer. Random case sealers have sensors that automatically adjust the tape head's settings for every case.
How Many Boxes Do You Seal And Ship?
Assessing how many boxes you currently seal a day and how much product you move will help you determine your case sealer requirements, the level of automation you need, and the belt configuration that is the best fit for you.
A semi-automatic case sealer is a great choice if you're sealing 50 - 250 boxes per day. An operator is needed to fold the flaps of the boxes and to feed the box into the case sealer, but it's a much faster process compared to hand-taping each box.
A fully automatic case sealer should be considered for higher production needs of over 250 boxes per day. No operator is required since the box is fed into the sealer by a conveyor and is automatically folded and sealed.
What Are The Dimensions And Weights Of Your Products?
It's critical to assess the variety of box dimensions you use. Dimension capacities vary by machine, so it's important to check the specifications to determine which case sealers can handle your minimum and maximum box sizes.
Case weight capacity is another factor to consider. Take into account the weight of your products and pay attention to the maximum weight capacity as this varies between machines.
The position of belt drives varies on case sealers. This is also something to consider based on your application.
Where Will The Case Sealer Be Used?
It's important to consider the environment the case sealer will be used. If the sealer will be used in a food production environment or an area with high humidity, a stainless steel box taper would be the preferred option.
Another good thing to look at when buying a case sealer is the physical size of the machine. Depending on how much space you have, you might need a machine with a smaller footprint to accommodate your floor space.
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