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How to choose the right Plastic Bottle Capping Machine?

How to choose the right Plastic Bottle Capping Machine?


Our daily lives are filled with plastic bottles, which package liquids, powders, and solids, etc. These bottles are usually sealed by a variety of caps. How are these caps used to seal bottles efficiently and quickly in bulk?

Plastic bottles are available in various sizes, ranging from tiny containers to large carboys. These vessels can be created using different types of plastics, including PET, HDPE, LDPE and PP Resin. The shapes available vary greatly as well, with options like oval, Boston round, modern round, wide mouth round and square being the most popular. They are commonly used to contain liquids such as water, soft drinks, motor oil, cooking oil, medicine, shampoo, milk and ink.

Since plastic bottles are lightweight, relatively cheap to produce, and have lower transportation costs than glass bottles, they quickly became popular with both manufacturers and customers. In both production and transportation, plastic bottles have a major advantage over glass bottles in that they are more resistant to breakage. Plastic bottles have almost completely replaced glass bottles in the food industry except for wine and beer.

There are three types of capping systems: Chuck Cappers, Spindle Cappers, and Snap Cappers. A plastic automatic nail polish filling capping machine tightens or secures a container's cap. Every company that fills products into plastic bottles, containers, or jars needs a way to close the container, and the most common closure is a cap.

There are different sizes and shapes of bottle capping systems available, so you can accommodate the many different sizes and shapes of bottles and caps out there. The type of capping and the speed required can also determine the size and shape.

How to choose the right plastic bottle capping machine

When discussing how to choose the right plastic bottle capping machine, we need to start from several dimensions.

Type of capping technology

It is very important to consider deformation of plastic bottle cappers when they are holding the bottles in order to prevent rotation when applying the torque required. Depending on the shape, rigidity, and holding spots among other factors, there are many solutions to this type of bottle capping problem.

Capping machines come in many different shapes and sizes, with various techniques to seal bottles and other containers.

Both spindle cappers and chuck capping machines are designed for use with the most popular and widely-used type of screw-on closure, the continuous thread cap. These caps are found on a variety of bottles, from water to cleaning products that utilize unique triggers sprays. Spindle capping machines rely on spinning disks to secure the caps as they travel thru the machine, while char cappers use a chuck head that is lowered over the cap and bottle to tighten them. A number of considerations will be taken into account when deciding between these two machines, from bottle size and shape to the shape and size of the closure, speed requirements and more.

A snap capping machine typically has a belt or bar that applies pressure to the cap as it moves along the packaging machine, pushing it down until the seal is complete. In some instances, a stomper is employed which descends onto the top of the cap, achieving the same desired outcome. Regardless of the technique used, this pressure creates a secure fit at the end of its journey.

Capping method & speed

There are two main types of bottle capping machines: in-line cappers, and rotary chuck-style cappers. They differ significantly in both their core design and in the way they apply closures.

In-line machines remove caps from their dispensers, then direct them onto the bottle necks. The cap tightening wheels spin the closure onto the threaded finish, with a final pair of wheels equipped with clutches providing torque to the capped bottle before it is released from gripping belts at the discharge. The speed of these machines is limited to no more than 200 bottles per minute (BPM).

Plastic bottle capping machines must be chosen based on the size, shape, and method of capping of each bottle and cap since no two capping items are exactly the same. Contact Jinzong Machinery today to speak with a packaging professional about your capping or sealing project.Want to know maintenance of a capping machine,contact us.

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