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Case Sealer Buyer's Guide

Case Sealers: An Effective & Affordable Automation Solution

Adding a case sealer to your packaging line is a big step towards a more efficient and cost-effective process. A case sealer will not only speed up your shipping operation but will also ensure your boxes are sealed properly and your products will be better protected. There is no "one size fits all" option, so it's important to properly assess your operation's needs before purchasing. Here are some important questions to ask yourself to get started on selecting the right case sealer for your needs.

1. 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.

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2. 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.

3. 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.

  • Side belt sealer - Side drive belts offer excellent security and consistent sealing. This style is often used when boxes are longer in length and shorter in height.
  • Bottom belt sealer - Bottom drive belts rely on the size and weight of the box since it relies on friction for moving the carton properly through the case sealer. This style of sealer is used only with heavy boxes since it's less effective at taping light products.
  • Top and bottom belt sealer - This type of case sealer utilizes four belts, two on the bottom and two on the top. Typically this style is used for tall, narrow, heavier boxes that require more stability being sealed.

4. Where will the case sealer be used?

It's important to consider the environment the case sealer will be used in. 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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