Shrink Tunnels
A shrink tunnel is an artificial underpass
that applies a variety of shrink films on the packages through a heating
system. It can wrap various products of different sizes by applying heat
methods. These tunnels can produce continue heating formula and they have a
continuous feed running through the underpass.
Types
of Shrink Tunnels
Shrink tunnels come into various kinds;
however, the three common forms are:
1.
Steam shrink tunnels.
2.
Infrared shrink tunnels
3.
Recirculating shrink tunnels.
Steam
Shrink Tunnels
The primary job of the steam shrink
tunnels is to wrap the shrink films around the cylindrical objects or bottles.
Moreover, the method they use to pack the products is steaming. The machine
applies steam to the bottles and shrinks the sleeves. The only drawback of the
steam shrink tunnels is their cost. It is one of the expensive methods. A
company needs a huge budget for its setup and plumbing to get started.
Infrared
Shrink Tunnels
Infrared shrink tunnels use heat energy to
apply shrink films on the products. The machinery of the infrared tunnels is
expensive than the recirculating shrink tunnels but less-expensive than steam
shrink tunnels. Moreover, you can use this method on a variety of products to apply
to packages.
Recirculating
Shrink Tunnels
These are the popular and customary
tunnels to apply shrink films on the packages. You can use this method on
almost every type of product. Moreover, it is an economical option for
packaging. They are the most reliable and durable machines to apply shrinks on
the products. Moreover, their application procedure is simple and best out of
all other kinds.
A shrink tunnel can pack as many products
as you have. However, the type of shrink tunnel does matter and the features of
the products also. Therefore, before using a method, you should know about the
elements of your objects and the factors you need to apply shrink on them.
Apart from the product, multiple other features can determine which type of
shrink tunnel packaging you should use.
The following are a few elements that can
help you in selecting the appropriate form of shrink tunnel for your product’s
packaging.
The Power
you Supply to the Shrink Tunnel
Power is one of the primary reasons that
can affect the speed of the shrink tunnel. This machine requires 220v to run
properly. If the tunnel is running on 110v, the speed of the machine will
suffer. Moreover, the power supply also affects the size of the tunnel motor.
However, another necessary factor that can change its speed is amperage. Both
elements have a direct relation.
Shrink
Tunnel’s Size and the Product’s Size
The size of the product and the size of
the shrink tunnel both are correlated. The size of the tunnel has a huge impact
on the number of products you need to package. If you use a sizeable product in
the small tunnel, it will affect the productivity or packing speed. The machine
will get slow down and cannot perform effectively. Therefore, while buying the
shrink tunnel machinery, you need to consider the average size of your products
you need to wrap.
The Thickness
of the Shrink Film
Another essential element you need to
consider while the packaging is the thickness and type of shrink film, you are
using. If you use a thicker shrink film, then the shrink tunnel will need more
heat and it will slow down its speed because of the thickness of the film.
Moreover, the type of shrink film also affects the temperature of the tunnel.
The setting of the conveyor parts is also get affected due to the thickness of
the shrink film.
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