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.
Imagine flying miles above the ground and traveling at speeds of upwards of 500 miles per hour. Now imagine the parts that have to sustain these types of conditions, from extreme heat to extreme cold to the harshest storms. For these exact reasons, there are standards in place to ensure these parts are suited to maintain integrity under these rigorous conditions.
Two of these standards are known as the AS9100 and NADCAP Certification, both earned by ‘AZZ Surface Technologies – Gainesville’ in North Texas.
These regulations often fall at the hands of OEM manufacturers, who must ensure they follow these guidelines. When it comes to AS9100 and NADCAP Certification, one is not better than the other, although it is important to note that a company must be AS9100 certified before NADCAP auditing can take place.
So, let’s take a dive into the two certifications and what they mean for aerospace companies.
What Is AS9100 Certification?
AS9100 is among one of the most common manufacturing certifications. It is used for audit and quality management for OEMs and suppliers and is made by the International Aerospace Quality Group (IAQG).
But, it doesn’t stop at IAQG member companies. The world’s aerospace supply chain, including the defense and space sectors, civil aviation authorities, regional and national defense authorities, registration/certification bodies, and others are also a part of this critical group of stakeholders.
AS9100 certification indicates that an OEM has high-quality communication and quality system in place. They must also have passed several additional requirements for safety and quality control. This is a sign that a manufacturer is high-quality and they are following the standards in the industry.
What is NADCAP?
NADCAP is the National Aerospace and Defense Contractors Accreditation Program. It was established in 1990 by the Society of Automotive Engineers and was meant to provide an accreditation program for companies in aerospace-related industries. The Performance Review Institute (PRI) conducts audits and AS9110 is a prerequisite for NADCAP Certification.
As an industry-driven certification, it is covered by company-level accreditation. It focuses on specific processes, such as chemical processing, coatings, heat treating, conventional machining, non-destructive testing, and welding.
When looking for a manufacturer make sure your partners are certified and following AS9100 and NADCAP guidelines.
‘AZZ Surface Technologies – Gainesville’ has Earned Both.
As a proven partner to the aerospace and defense industries, ‘AZZ Surface Technologies – Gainesville’ is pleased to have earned both AS9100 and NADCAP certifications. Our North American network of state-of-the-art, highly automated facilities enables us to integrate seamlessly into your supply chain and provides the capacity and fast turn-around times to meet your most demanding production schedules with consistent, on-time delivery.
FABTECH returns to the Georgia World Congress Center, November 8-10, 2022 and provides a convenient ‘one-stop shop’ venue where you can meet with world-class suppliers, discover innovative solutions, and find the tools to improve productivity and increase profits. There is no better opportunity to network, share knowledge and explore the latest technology, all in one place.
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