Once the metal is cleaned, treated, and painted, the strip is rewound into a coil size prescribed by the customer. From there, the coil is removed from the line and packaged for shipment or additional processing.
After the primer is applied and cured, then the metal strip enters the finish coat station where a topcoat is applied. Topcoats provide color, corrosion resistance, durability, flexibility and any other required physical properties. Like primers, the topcoat is cured using thermal cure ovens.
Oven
Coil coating ovens can range from 130 feet to 160 feet and will cure the coatings in 13 to 20 seconds.
During this stage, the strip enters the prime coat station whereby a primer is applied to the clean and treated metal. After the primer is applied, the metal strip travels through a thermal oven for curing. Primers are used to aid in paint adhesion, improve corrosion performance and enhance aesthetic and functional attributes of the topcoat.
S Wrap Coater
The S wrap coater design allows for primers and paints to be applied to the top and back side of the metal strip simultaneously in one continuous pass.
The cleaning and pretreating section of the coil coating process focuses on preparing the metal for painting. During the cleaning stage, dirt, debris, and oils are removed from the metal strip. From there, the metal enters the pretreatment section and/or a chemical coater whereby chemicals are applied to facilitate paint adhesion and enhance corrosion resistance.
Dried-In-Place
In this stage a chemical that provides enhanced corrosion performance is applied. This treatment can be chrome free if required.
The accumulator is a structure that adjusts up and down to store material, which makes continuous operation of the coil coating process possible. This accumulation will continue to feed the coil coating processes while the entry end has stopped for the stitching process. As much as 750 feet of metal can be collected.
Livestock trailers are necessary in the agriculture and livestock industry. They are used daily to transport animals and can suffer considerable damage from overuse and harsh elements if not properly protected.
Usually, these trailers are painted, which often results in chipping and premature wear. In the case of one particular trailer to be used along the coast, however, which can be especially harsh on painted steel, a different and more effective method was chosen.
The trailer was manufactured using hot-dip galvanizing, providing a durable and long-lasting coating to give the trailer an extended life with added durability, even in a harsh coastal climate.
This innovative take on large livestock trailers recently won the American Galvanizers Association (AGA) Original Equipment Manufacturing award for its unique approach to ensure a more durable and longer lasting coating.
AZZ Galvanizing – Houston West took on this critical project, delivering a stunning end result that the owner of the trailer was extremely pleased with.
About
In order to ensure quality work, the manufacturer and AZZ galvanizing representative worked together to prep the design. The trailer required an enormous amount of drain and vent holes, which took a lot of fine attention to detail.
Why the Designer Chose Hot-Dip Galvanizing
The designers chose hot-dip galvanizing because of its sustainability and ability to meet the requirement of a 50-year life with a low maintenance cost.
The farms and road can face harsh natural elements which are often highly corrosive. Hot-dip galvanized steel addresses the economic and environmental factors that will make the trailer in great condition for years to come.
Project Recap
The livestock industry is constantly growing to meet new demands. Livestock trailers are an essential product, and this one in particular stands out among the rest.
The trailer’s unique hot-dip galvanized steel coating will protect it for many years past other trailers on the market.
AZZ focuses on creating a stronger, safer world, evidenced by their focus on protecting infrastructure from corrosion. This project was an innovative way to show the possibilities of galvanizing. Learn more about AZZ today by exploring our hot dip galvanizing capabilities.
Hot-dip galvanizing is a trusted solution for long-lasting corrosion protection, relied upon for its durability and unmatched performance. This video provides a step-by-step look at the galvanizing process, showcasing how steel is transformed with a protective zinc coating that stands up to the toughest conditions. From surface preparation to the final finish, see how this process ensures strength and longevity for projects of all sizes.
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