While different cap sizes and types are seemingly unlimited, it will take a surprisingly low number of capping machines to hide a majority of caps. Obviously, unique and rare container tops may require custom capping machinery. For some other caps, a tiny group of capping machines will “seal” the deal.
SPINDLE CAPPERS. Spindle capping machines are the most popular capping machine produced for the packaging industry. These cappers use sets of matched discs to spin caps down onto bottles or another containers because they move through the capping area on a conveyor system. Normally, 3 to 4 teams of discs will likely be employed to gradually tighten caps. Elevators or vibratory bowls assist these continuous capping machines by delivering caps to every individual bottle, leaving the operator with the machine to simply replace bulk caps as required. These capping machines are prepared for many screw type caps, including flat caps, sports caps, trigger sprayers and many more. A number of containers, including F-style containers (think of anti-freeze, a protracted narrow container using a handle), can be operate on the spindle capper and multiple containers require minimal changeover. The versatility and ease of operation are a couple of factors that will make this capping machine popular.
CHUCK CAPPERS. Chuck capping machines resemble spindle cappers in that they help screw caps. Chuck cappers normally contain steel chuck as well as a rubber insert matched for the cap size. After a bottle is place beneath the capping head, the chuck descends to apply consistent torque to every bottle and cap combination. Automatic chuck cappers can sometimes include multiple chucks to boost the capping machine speed. Handheld, semi-automatic and tabletop chuck cappers in most cases cap one bottle at the same time. While one chuck and chuck insert can handle different cap sizes, a facility running both minor and major caps may necessitate multiple chucks and/or chuck inserts. Chuck cappers are ideal for flat caps, but a majority of modification towards the chuck and inserts allow for other screw type caps being run too.
SNAP CAPPERS AND LID PRESSERS. Snap cappers and lid pressers are both used for non-screw type tops. Rather than being torqued to the bottle, snap type tops are only applied using pressure and normally kept in place by a lip on the container. Pressure is applied with a declined belt or possibly a simple plunger with respect to the application. Paint cans may work well in the lid presser, while plastic containers for some food and beverage products would make use of a press on belt in order to avoid damaging the containers themselves. Snap cappers might be constructed much like spindle cappers, with all the spindle sets replaced by the decline belt, allowing snap caps to become sealed continuously also, caps permitting. Spindle cappers and snap cappers can be combined one capping machine to handle a level wider array of cap sizes and types.
Every one of the capping machines discussed briefly above can be found in different amounts of automation, allowing this band of packaging machines to manage not really a wide variety of caps and bottles, however a array of production levels as well.
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