While different cap sizes and types are seemingly unlimited, it requires a surprisingly low variety of capping machines to pay for a lot of caps. Needless to say, unique and rare container tops may need custom capping machinery. For almost all other caps, a little group of capping machines will “seal” the sale.
SPINDLE CAPPERS. Spindle capping machines are some of the most popular capping machine produced for the packaging industry. These cappers use groups of matched discs to spin caps down onto bottles or other containers while they pass through the capping area over a conveyor system. Normally, three or four sets of discs will be employed to gradually tighten caps. Elevators or vibratory bowls assist these continuous capping machines by delivering caps to each individual bottle, leaving the operator in the machine to easily replace bulk caps if required. These capping machines can handle many screw type caps, including flat caps, sports caps, trigger sprayers and others. Numerous containers, including F-style containers (think about anti-freeze, an extended narrow container having a handle), can be run using the spindle capper and multiple containers require minimal changeover. The flexibility and simplicity of operation are two factors that produce this capping machine popular.
CHUCK CAPPERS. Chuck capping machines resemble spindle cappers in this they use screw caps. Chuck cappers normally incorporate a metal chuck plus a rubber insert matched for the cap size. Each bottle is in place beneath the capping head, the chuck descends to utilize consistent torque to each bottle and cap combination. Automatic chuck cappers can sometimes include multiple chucks to improve the capping machine speed. Handheld, semi-automatic and tabletop chuck cappers will often cap one bottle at a time. While one chuck and chuck insert are prepared for different cap sizes, a center running both large and small caps might require multiple chucks and/or chuck inserts. Chuck cappers are ideal for flat caps, however some modification on the chuck and inserts permit other screw type caps to become run too.
SNAP CAPPERS AND LID PRESSERS. Snap cappers and lid pressers are generally employed for non-screw type tops. As an alternative to being torqued on the bottle, snap type tops are only applied using pressure and normally located in place with a lip on the container. Pressure to succeed is applied by way of a declined belt or possibly a simple plunger with respect to the application. Paint cans may fit well within a lid presser, while plastic containers for some food and beverage products would make use of a press on belt to stop damaging the containers themselves. Snap cappers may be constructed nearly the same as spindle cappers, with all the spindle sets replaced by the decline belt, allowing snap caps being sealed continuously as well, caps permitting. Spindle cappers and snap cappers can even be combined on one capping machine to take care of a level wider selection of cap sizes and types.
Each of the capping machines discussed briefly above can be bought in different numbers of automation, allowing this group of packaging machines to manage not just a wide range of caps and bottles, however a selection of production levels also.
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