A heat/shrink tunnel, is an enclosed and heated area that is used to not just apply heat to an object, but create a heated local environment around said object. Heat tunnels are generally found above or enveloping a section of conveyor belt to allow for automated travel through the tunnel. The most common use for a heat tunnel is the activation of heat shrink labels, packaging, and tamper bands on a container; however, they are also used to cure paints and heat parts. This article series will cover the most common types of heat tunnels available, their advantages and disadvantages, and the technical complications of heat shrinking. Be sure to read part one of this series before proceeding.
Advantages and Disadvantages
Most technologies have ideal areas of application which relate directly to their strengths and weaknesses. The following is a summary of the strengths and weaknesses of the three types of heat tunnels discussed.
Hot Air Tunnels
The next article in this series will cover the technical complications of heat shrinking.
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