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Ultimate MIG Welding Guide Made Simple

Author Archives: MET Manufacturing Group

  1. Ultimate MIG Welding Guide Made Simple

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    When you need strong, reliable welds, MIG welding often tops the list of options. Whether you’re designing components for aerospace systems, automotive assemblies, or medical devices, understanding what MIG welding is used for can help you make smarter decisions about your next project.

    This guide breaks down MIG welding fundamentals, explores its most common applications, and helps you determine when it’s the right choice for your manufacturing needs.

    sparks flying from welding process

    What Is MIG Welding?

    MIG welding stands for Metal Inert Gas welding, though it’s also known as Gas Metal Arc Welding (GMAW). The process uses a continuously fed wire electrode and a shielding gas to create strong, clean welds.

    Here’s how it works: An electric arc forms between the wire electrode and the workpiece, melting both to create a weld pool. Meanwhile, an inert gas (typically argon, carbon dioxide, or a mixture) shields the weld from atmospheric contamination. This protection prevents oxidation and produces cleaner results.

    The process is semi-automatic or fully automatic, which means welders can maintain consistent feed rates and arc lengths throughout the weld. According to the American Welding Society, MIG welding ist the most widely used welding process in industrial manufacturing.

    Common MIG Welding Applications

    So, what is MIG welding used for in real-world manufacturing? The applications span nearly every major industry.

    Automotive Manufacturing

    MIG welding is the backbone of automotive production. Manufacturers rely on it for body panels, exhaust systems, frames, and structural components. The speed of MIG welding makes it ideal for high-volume production lines where efficiency matters.

    Aerospace Components

    Aircraft and spacecraft require welds that meet strict quality standards. MIG welding works well for aluminum alloys and other lightweight materials common in aerospace applications. The process delivers the precision and consistency these critical components demand.

    Medical Device Fabrication

    Medical equipment often requires stainless steel or aluminum components with clean, precise welds. MIG welding produces smooth finishes with minimal spatter, reducing post-weld cleanup and supporting compliance with medical industry standards.

    Defense and Military Equipment

    Military applications require durable, reliable welds that can withstand harsh conditions. MIG welding handles the thick materials and demanding specifications typical in defense manufacturing.

    General Industrial Fabrication

    From electronics enclosures to telecommunications equipment, MIG welding serves countless industrial applications. Its versatility across material types and thicknesses makes it a go-to process for custom fabrication projects.

    Materials Compatible with MIG Welding

    One reason MIG welding is so popular is its compatibility with multiple materials:

    • Carbon Steel: The most common material for MIG welding, used in structural applications and general fabrication
    • Stainless Steel: Ideal for corrosion-resistant components in medical, food processing, and chemical industries
    • Aluminum: Requires specific wire and gas combinations but produces excellent results for lightweight assemblies
    • Nickel Alloys: Used in high-temperature and corrosive environments

    Material thickness also affects MIG welding suitability. The process handles thin sheet metal through medium-thickness plates effectively, typically ranging from 24-gauge sheet up to about ½ inch thick.

    Key Benefits of MIG Welding

    Understanding the advantages helps you evaluate whether MIG welding fits your project requirements.

    Speed and Efficiency

    MIG welding is significantly faster than processes like TIG welding. The continuous wire feed eliminates stops for electrode changes, keeping production moving. For high-volume projects with tight timelines, this efficiency translates to real cost savings.

    Precision and Consistency

    Modern MIG welding equipment delivers repeatable results with tight tolerances. This consistency matters when you’re manufacturing components that must meet exact specifications across large production runs.

    Cleaner Welds

    The shielding gas protects the weld pool from contamination, resulting in less spatter and cleaner finished welds. This reduces post-weld grinding and cleanup, saving time and labor costs.

    Cost-Effectiveness

    Lower labor costs, faster production times, and reduced material waste make MIG welding economical for many applications. The process requires less operator skill than some alternatives, though quality still depends on proper technique and equipment setup.

    When to Choose MIG Welding vs. Other Methods

    Choose MIG welding when Consider TIG welding when
    Production volume is moderate to high
    Maximum precision and appearance matter most
    Speed and efficiency are priorities
    Working with thin or exotic materials
    Materials include steel, stainless steel, or aluminum
    Lower production volumes allow for slower speeds
    Weld aesthetics are important but not critical

    Consider other processes when:

    • Materials are extremely thick (may need flux-cored or stick welding)
    • Field conditions prevent proper shielding gas coverage

    Many manufacturing partners offer both manual and robotic MIG welding capabilities, allowing flexibility based on project scale and complexity.

    Making the Right Decision for Your Project

    Choosing the right welding process depends on several factors: material type and thickness, production volume, timeline, budget, and required weld quality. Working with an experienced manufacturing partner helps you navigate these decisions and avoid costly mistakes.

    Look for partners with certifications like ISO 9001:2015, which indicates robust quality management systems. RoHS compliance matters if your products will enter markets with environmental regulations.

    Next Steps

    Understanding what MIG welding is used for gives you a foundation for smarter fabrication decisions. Whether you’re prototyping a new design or scaling up production, the right welding process—and the right manufacturing partner—can make all the difference.

    Ready to discuss your next welding project? Request a Quote to connect with experienced engineers who can help you explore how MIG welding might deliver precision results for your application.

    Let’s Build Something Better Together! [Submit Your RFQ]

  2. From Hand to Machine: MET’s Welding Services

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    At MET Manufacturing Group, we combine decades of hands-on experience with cutting-edge robotic technology to deliver superior welding services tailored to meet diverse project needs. Whether your project requires artisan-level craftsmanship or high-volume automated consistency, our manual and robotic welding capabilities ensure precise, reliable results across automotive, aerospace, medical, and defense industries.

    sparks flying from welding process

    Introduction to Welding Services at MET Manufacturing

    Our expertise blends traditional craftsmanship with modern technology, ensuring each project meets the highest quality standards. With both manual and robotic welding offerings, we customize solutions to match the unique demands of every client. We’re proud to adhere to stringent certifications such as ISO 9001:2015 and RoHS compliance, reinforcing our commitment to quality, precision tolerances, and client success.

    Understanding Manual Welding: The Human Touch

    Manual welding remains essential when precision and customization are required. At MET Manufacturing, our skilled technicians operate state-of-the-art Lincoln Powerwave 300c welders, mastering techniques across a variety of materials including aluminum, steel, and stainless steel. This hands-on process is ideal for applications such as custom prototyping, specialty repairs, and small batch manufacturing.

    Customers benefit greatly from direct engagement with our manual welding experts. This collaboration facilitates hands-on testing and ensures exacting tolerances are met. For example, automotive bracket prototypes often require the nuanced adjustments a seasoned welder can provide, while aerospace assemblies demand meticulous attention to detail for critical safety compliance.

    Robotic Welding: Automated Consistency and Efficiency

    As manufacturing trends shift toward automation, MET Manufacturing is proud to incorporate advanced robotic welding solutions. Our Lincoln Electric Cooper Welding Cobot is designed for collaborative use, allowing safe interaction between human operators and robots. This technology enables rapid setup and programming to tackle complex welds with consistent precision.

    Robotic welding offers significant advantages including uniform quality, fast turnaround, reduced per-unit costs, and minimized material waste. These benefits are especially valuable in high-volume sectors like automotive, electronics, and defense, where repeatability and scalability are paramount. For instance, automotive manufacturers rely on robotic systems to produce rugged components with exacting durability standards.

    Materials and Industries Served

    MET Manufacturing is equipped to weld steel, aluminum, and stainless steel—metals commonly demanded by our key industries. Each sector presents unique welding challenges:

    Automotive

    Requires rugged, durable components that withstand heavy use

    Aerospace

    Needs extreme precision and regulatory compliance for safe assembly

    Medical Devices

    Demands clean, precise welds for enclosures and instruments

    Military and Defense

    Calls for the highest quality standards and reliability under harsh conditions

    Our team understands these demands and is dedicated to meeting or exceeding industry standards and customer specifications every time.

    Choosing Between Manual and Robotic Welding: Which is Right for Your Project?

    Determining whether manual or robotic welding fits your project depends on several factors:

    • Volume and Scale: Larger productions benefit from robotic consistency
    • Complexity and Precision: Highly customized or intricate welds often require manual skill
    • Project Timeline and Budget: Robots can accelerate high-volume runs, manual welding offers flexible timing for prototypes
    • Customization: Manual welding allows artisanship, robotic systems deliver repeatable quality

    Often, the best solution leverages both approaches—combining the craftsmanship of manual welding with the efficiency and uniformity of automation. Our engineering team works closely with you to recommend the right mix.

    Why Partner with MET Manufacturing Group for Your Welding Needs?

    Choosing MET Manufacturing Group means partnering with industry veterans who blend experience and innovation. Our quality assurance is backed by ISO 9001:2015 certification and RoHS compliance, giving you confidence in every weld. Transparent communication and engineer-client collaboration make project execution stress-free, delivering precise tolerances and reliable results every time.

    We are committed to continuous improvement, integrating advanced technology like the Lincoln Powerwave 300c and Cooper Welding Cobot to stay ahead in manufacturing excellence.

    Ready to Elevate Your Welding Projects?

    Discover how MET Manufacturing’s expert manual and robotic welding services can bring your next project to life with precision and efficiency. Whether you need the nuanced skill of manual welding or the speed of robotic automation, we tailor solutions that fit your goals.

    Contact us today to request a quote or discuss your project requirements with our experienced engineering team!

    Let’s Build Something Better Together! [Submit Your RFQ]

  3. Unlocking Precision and Efficiency: The Benefits of Laser Cutting

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    In today’s fast-paced manufacturing world, precision, speed, and efficiency are more crucial than ever. At MET Manufacturing Group, we understand that choosing the right cutting technology can make all the difference in your production process. That’s why laser cutting has become a game-changer for many industries, providing unmatched accuracy, versatility, and cost-effectiveness.

    close up of mazak laser cutter in action. sparks flying in background

    In this post, we’ll explore what laser cutting is, its major benefits, and why MET Manufacturing Group is your trusted partner for laser cutting services. Whether you’re in automotive, aerospace, or custom fabrication, understanding these advantages can help you optimize your manufacturing process and stay ahead of the competition.

    What is Laser Cutting?

    Laser cutting is a manufacturing process that uses a focused beam of light to cut and engrave various materials with incredible precision. The laser’s intense heat melts, burns, or vaporizes the material, leaving behind a clean, sharp edge. This technology is widely used in industries requiring detailed and complex cuts that traditional mechanical cutting methods cannot easily achieve.

    Unlike conventional cutting tools, laser cutting is a non-contact process, which reduces the risk of material deformation and tool wear. From thin sheets of metal to thick industrial-grade plates, lasers adapt to different materials including steel, aluminum, plastics, and even wood.

    Key Benefits of Laser Cutting

    Superior Precision and Quality

    Laser cutting offers a level of accuracy that traditional cutting tools simply cannot match. The beam width can be as small as 0.1 millimeters, providing incredibly detailed edges and smooth finishes. This precision means tighter tolerances and less need for secondary finishing work.

    For example, MET Manufacturing Group consistently achieves tolerance levels of +/- 0.005 inches, a crucial factor in industries like aerospace and automotive, where parts must fit perfectly to function safely and effectively.

    Increased Speed and Efficiency

    Speed is vital in manufacturing, and laser cutting systems can operate much faster than mechanical cutting tools. Because the laser moves rapidly across the material without physical contact, it minimizes setup time and maximizes throughput.

    MET’s advanced CNC laser machines can cut complex shapes in a fraction of the time it takes with traditional methods. This efficiency translates to shorter lead times, enabling you to meet tighter deadlines and reduce inventory costs.

    Versatility Across Materials and Designs

    From stainless steel sheets to acrylic panels, laser cutting handles a broad range of materials with ease. Additionally, it excels at producing intricate designs and complex geometries without compromising quality.

    This flexibility allows MET Manufacturing Group to accommodate diverse client requirements, whether it’s a prototype, custom order, or mass production run.

    Reduced Waste and Lower Costs

    Laser cutting minimizes waste and cutting costs. Automated torch head changes and quick setups reduce downtime—from 20–30 minutes to about 40 seconds—enabling more frequent small-batch runs. This flexibility cuts material scrap and improves throughput. Optimized gas usage lowers consumption by up to 25%, and cleaner cuts reduce the need for secondary finishing. These efficiencies enable faster, more cost-effective production with less waste (Source: The Fabricator, 2012).

    By choosing MET Manufacturing Group’s laser cutting services, businesses benefit not only from quality but also from significant cost savings.

    Real-World Applications of Laser Cutting

    Our laser cutting services have powered projects across multiple sectors:

    Automotive

    Automotive

    Precision cutting of metal panels and components that require accuracy and durability.

    Aerospace

    Aerospace

    Fabrication of lightweight, complex parts with tight tolerances.

    Medical Devices

    Medical Devices

    Creating intricate components from biocompatible materials.

    Custom Fabrication

    Custom Fabrication

    Producing one-of-a-kind designs with extraordinary detail.

    Learn more about our laser cutting capabilities and explore case studies showcasing our expertise.

    Why Choose MET Manufacturing Group for Laser Cutting?

    At MET Manufacturing Group, we combine cutting-edge laser technology with unmatched expertise to deliver superior results. Our team is dedicated to understanding your unique needs, from initial design consultation to final delivery. By incorporating industry best practices and utilizing state-of-the-art CNC laser cutters, we ensure precision, speed, and efficiency every step of the way. Moreover, our commitment to quality is backed by ISO certifications and rigorous quality control processes, giving you peace of mind that your parts meet the highest standards.

    Ready to experience the benefits of laser cutting for your business? Contact us today to discuss your project requirements and discover how MET Manufacturing Group can help you achieve precision and performance like never before.

    Contact MET Manufacturing Group

    Call us at (574) 293-3342
    Visit www.met-mfg.com
    Email info@met-mfg.com
    Let’s Build Something Better Together! [Submit Your RFQ]

  4. New Equipment: MAZAK OPTIPLEX NEXUS 3015 FIBER S7 & 66 Ton Aida NC1-6

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    At MET Manufacturing Group, we’re investing in equipment that strengthens our capabilities and keeps projects moving quickly and accurately. Our newest additions help us deliver cleaner cuts, tighter tolerances, and improved consistency across prototype and production work. 

    Mazak machine on a factory floor

    MET Manufacturing Group’s Commitment to Innovation

    MET Manufacturing Group began in 1988 as a photochemical etching company. Fabrication services were introduced later, expanding our ability to support customers with a broader range of precision metalworking capabilities. Today, continuous improvement remains a priority, reflected in our ISO 9001:2015 and RoHS-compliant quality systems.

    We focus on integrating technology that directly benefits our customers: faster turnaround times, improved consistency, and the ability to handle increasingly complex parts.

    Overview of the MAZAK OPTIPLEX NEXUS 3015 FIBER S7

    What is the Mazak OPTIPLEX NEXUS 3015 FIBER S7?

    The MAZAK OPTIPLEX NEXUS 3015 FIBER S7 is a high‑speed, high‑accuracy 2D laser cutting system designed for efficient sheet metal processing. This machine processes sheet metal efficiently with less heat damage, producing high-quality parts.

    Key Features

    – High‑speed cutting: The fiber laser delivers fast processing with minimal heat distortion.
    – Large sheet capacity: Handles sheets roughly 3 m x 1.5 m in size.
    – Precision tolerances: Ideal for intricate parts requiring consistent accuracy.

    Why It Matters

    Faster cutting speeds mean quicker project turnaround, especially for detailed parts. The machine’s accuracy reduces the likelihood of scrap or rework, which helps maintain predictable timelines and quality.

    machine operator working with material on press machine

    Exploring the 66‑Ton Aida NC1‑6 Press

    Introduction to the Aida NC1-6

    The 66‑ton Aida NC1‑6 mechanical press enhances our metal forming and stamping capabilities with adjustable tonnage, controlled stroke movement, and strong repeatability.

    Key Capabilities

    – Precision forming: Programmable controls support quick setup and consistent stamping.
    – Material versatility: Handles a range of metal types and thicknesses efficiently.

    Value‑Added Support

    This press pairs well with downstream processes such as stamping, heat treating, and plating, supporting a streamlined manufacturing workflow.

    Customer Impact

    Both machines strengthen our ability to support industries that require high accuracy—from aerospace to medical and defense manufacturing. Customers benefit from faster lead times, consistent quality, and expanded forming and cutting options.

    Why Choose MET Manufacturing Group? 

    Our team is dedicated to responsive communication, fast quoting, and reliable delivery. With enhanced laser cutting and metal forming capabilities, we can support a wide range of project needs.

    Next Steps: Partner with MET Manufacturing Group 

    Ready to elevate your next manufacturing project? Discover how MET’s new MAZAK OPTIPLEX NEXUS 3015 FIBER S7 and  66 ton Aida NC1-6 press can deliver precision, speed, and reliability tailored to your needs. 

    • Submit a request via our Quote Request Form 
    • Email us directly at sales@met-mfg.com 
    • Call (574) 293-3342 for personalized consultation 

    Don’t forget to visit the Fabrication Gallery to see examples of the precision manufacturing MET delivers every day. 

    Let’s Build Something Better Together! [Submit Your RFQ]

  5. An Overview of the Metal Etching Process

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    Photochemical Etching

    Look around you. Almost every electronic device, automotive part, or medical instrument contains some small metal part. To create a part with such detail, manufacturers have a library of processes to use, but photochemical etching is a favorite. This is a process renowned for its precision and versatility. At MET Manufacturing Group, this advanced technique is just one of the techniques we use in our mission to deliver detailed parts for industries ranging from aerospace to healthcare to technology and beyond.

    (more…)

  6. 5 Reasons Why Electronic Manufacturers Should Use Etching

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    In today’s interconnected world, the demand for electronic devices and systems is rapidly increasing across all industry sectors. Consequently, electronic component manufacturers face the challenge of selecting the most efficient and cost-effective manufacturing processes that guarantee optimal performance. Here are five reasons why MET Manufacturing Group believes electronic manufacturers should use etching:

    An array of Photochemical Etching Examples - Brass, Copper, Stainless Steel Etching for Electronic Manufacturers

    1. Material Versatility

    Etching is a versatile process that can work with almost any metal, making it an ideal choice for creating electrical components. Unlike traditional machining methods such as stamping and laser cutting, which may encounter challenges when dealing with hard, soft, or brittle metals, etching is not limited by the properties of the materials used.

    • Copper: Known for its excellent electrical conductivity, copper is widely used in electrical components. Post-process plating can improve its corrosion resistance.
    • Beryllium Copper (BeCu): This highly conductive copper alloy is durable and easy to form post-etching, making it ideal for electrical contacts.
    • Brass: A copper and zinc alloy known for its high electrical and thermal conductivity, strength, and corrosion resistance. It’s ideal for contacts, connectors, and busbars.
    • Phosphorous Bronze: This bronze alloy has superior spring qualities, high fatigue strength, excellent formability, and high corrosion resistance, making it great for battery contacts and springs.
    • Nickel Silver: Used in EMI/RFI shielding, this copper, nickel, and zinc alloy is known for its high corrosion resistance and solderability.
    • Steel: While not as conductive as other materials, tin plating can significantly enhance its conductivity and solderability. Cold-rolled steel is known for its strength and high formability.
    • Stainless Steel: Highly resistant to corrosion with excellent thermal conductivity, making it popular for precision metal shims, springs, and filters.

    Photochemical Etching - Braze Foil Etching for Electronic Manufacturers

    2. Zero Thermal Stress

    The high temperatures associated with traditional machining methods can cause material deformities due to thermal stress, impacting the performance of the metal component. Chemical etching eradicates the potential of parts being affected by thermal stress. The process dissolves the metal parts simultaneously rather than at localized points of contact, unlike laser cutting and wire EDM, which can introduce thermal stress along the edges.

    3. Zero Burrs or Micro Burring

    Traditional machining processes can leave burrs that negatively impact the performance of electrical components. For example, laser cutting can leave micro burrs on the metal’s surface, while stamping can leave partial burring. Even slight burring can cause issues such as electrical short circuits, interference interruptions, plating build-up at the component’s edges, decreased formability, inaccurate dimensional tolerances, and scratches on the surface that can affect mating components. Photochemical etching dissolves unwanted materials on a molecular level, resulting in smooth surfaces and a precision-etched profile, eliminating the need for secondary deburring operations.

    Photochemical Etching - Stainless Steel Rosette Springs Etching for Electronic Manufacturers

    4. Suitable for Thin Materials and Complex Designs

    As electronic devices become progressively smaller, there is a need for small-scale, lightweight components with complex designs. These microelectronic parts are usually machined from thinner metals and require tighter dimensional tolerances. Chemical etching is the optimum process for producing microelectronic components with complex patterns such as lead frames and filters. This process enables the simultaneous machining of features such as holes and slots, saving time and money compared to alternatives such as laser cutting, wire EDM, and stamping. Additionally, chemical etching offers the ability to partially etch a metal surface, creating fold lines valuable for components requiring forming.

    Photochemical Etching - Beryllium Copper Contacts. Etching for Electronic Manufacturers

    5. Easy to Modify Tooling and Rapid Prototyping

    The ability to test and modify designs cost-effectively is essential in the prototyping stage. Chemical etching makes it easy to revise electronic parts using low-cost digital photo-tooling. The process also allows for multiple-part designs that require the same material and thickness to be placed on the same tooling, reducing costs and lead times.

    Summary

    Chemical etching is a highly versatile and innovative process that electronic component manufacturers should consider for creating a wide range of electronics and microelectronic components. The process offers a variety of metal etching material capabilities, is resistant to thermal stress, remains burr-free, is suitable for thin materials and complex designs, and allows easy modification of tooling and fast prototyping. By taking advantage of these benefits, manufacturers can select the most efficient and cost-effective manufacturing processes that guarantee optimal performance.

  7. What To Look For in a Metal Etching Manufacturer

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    Click to ExpandWhat To Look For in a Metal Etching Manufacturer

    Metal etching also known as chemical etching or photochemical machining is a subtractive manufacturing process that removes material from metal sheets to create intricate patterns, designs, or components. It allows you to produce complex shapes or create fine details without the need for traditional machining processes, like milling or stamping. This process is designed for various industries where high precision and fine details are crucial, including electronics, aerospace, medical, and automotive.

    However, metal etchings resulting component is only as good as the manufacturer. Thus, is crucial to choose the right partner to guarantee your project’s success.

    MET Manufacturing Group prides itself on setting the industry standard for precision manufacturing since 1988. We specialize in cutting-edge photochemical etching on various metals, from high-conductivity coppers to robust spring steels. Below, we discuss key factors to look at when selecting a metal etching partner and the top reasons why MET Manufacturing Group is the best choice for businesses in various industries.

    Things To Consider When Choosing a Metal Etching Partner

    A good metal etching partner can help streamline your process. Here are several key factors to consider when making this important choice:

    1. Expertise and Experience

    Look for a company with a proven track record and a wealth of experience in metal etching. An experienced manufacturer is more likely to have encountered diverse challenges and is better equipped to handle complex projects with precision. From the quote phase to final order delivery, you should feel a sense of professionalism, support, and confidence when working with your etching provider.

    2. Technological Capabilities

    Metal etching processes have evolved with advancements in technology. A reputable manufacturer should invest in state-of-the-art equipment and technology to ensure accuracy and efficiency in the etching process. The common manufacturer of etching equipment is Chemcut Corporation, who has been manufacturing etching equipment since 1956.In addition, your etching partner should have robust inspection equipment to certify the products being produced. MET utilizes Keyence measurement technologies that allow for accurate and quick dimensional conformity.

    3. Material Compatibility

    Different projects may require the use of specific metals or alloys. Ensure that the metal etching manufacturer you choose has expertise in working with the materials relevant to your application. In addition the manufacturer should have accessibility to the right materials required along with using reputable material sources. Shoot for companies to lean on RoHS and DFARS compliant materials. The right partner should also be able to handle the rare materials required by your project or offer guidance on the best options to consider.

    4. Quality Control Measures

    Quality control ensures that each component meets the desired specifications. Inquire about the manufacturer’s quality assurance procedures, including inspection processes, testing protocols, and adherence to industry standards. A reliable metal etching company will have comprehensive steps in place to deliver consistently high-quality products. Seek a partner who is ISO 9001:2015 certified. This common industry standard displays the company complies to a standard that will allow for a positive customer experience and ensures the demands of your project will be met at all levels of delivery, from prototype to production.

    5. Customization Options and Value Added Services

    Every project is unique, and customization may be a critical factor in your decision-making process. A reputable metal etching manufacturer can offer tailored solutions to your design and size requirements. The value added services are also important as you may want to utilize a service like selective plating or forming as your project evolves. Work with a manufacturer who has the bandwidth to offer these valuable services and drive the best performance to your product.

    6. Customer Reviews and Testimonials

    Before finalizing your decision, research customer reviews and testimonials to determine the satisfaction levels of past clients. Positive feedback and success stories can provide valuable insights into the manufacturer’s reliability, professionalism, and overall capability.

    Why Choose MET Manufacturing Group

    MET Manufacturing Group is a trusted name in the industry. In addition to the above core qualities, here are unique factors that set us apart:

    Great Value on Price vs. Quality

    MET Manufacturing Group emphasizes delivering unparalleled value, striking the perfect balance between competitive pricing and uncompromised quality. This commitment ensures that clients receive exceptional metal etching services without breaking the bank.

    Dynamic and Experienced Engineering Team

    We boast a dynamic and experienced engineering team trained in the latest programs, projects, and designs. The team’s proficiency and adaptability play a crucial role in overcoming challenges, offering innovative solutions, and successfully realizing clients’ intricate design specifications. Our engineering team interfaces directly with our customers to deliver the results you expect from your project.

    Short Lead Times

    MET Manufacturing Group takes pride in its ability to provide short lead times, with a typical turnaround of 3-4 weeks. This ensures that you meet project deadlines and ensures a streamlined transition from design to the production phase.

    Fast Customer Service

    Our team understands the importance of responsive and efficient customer service throughout the project lifecycle. We are committed to fostering a seamless and transparent client experience, from providing quick quotes to prompt acknowledgments, timely invoicing, and clear customer communications. MET performs daily quote review with typical quote turnaround times of 24-48 hours.

    Convenient Midwest Location

    Situated in the heart of the Midwest, MET Manufacturing Group offers a strategic location that facilitates convenient shipping to either coast via UPS or FedEx. This ensures reliable and cost-effective product delivery while providing accessibility and ease of collaboration with clients nationwide.

    Redefine Your Metal Etching Projects With MET Manufacturing Group

    At MET Manufacturing Group, we have a rich background in serving multiple industries across the country. Our goal is to constantly exceed client expectations and industry standards in quality, cost, and delivery. If you don’t have a design in mind, we also have an Etching Design Guide to optimize your project for success. With our ISO 9001:2015 certification and American Systems Registrar accreditation, we guarantee only the best solutions for your needs.

    If you have questions about our offerings, contact us or request a quote now!

  8. Photochemical Etching for Nickel Alloy

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    Click to ExpandPhotochemical Etching for Nickel Alloy

    Photochemical etching is a precise and efficient manufacturing process producing intricate patterns and shapes on nickel alloy shim stock sheets. This manufacturing technique, also known as chemical milling or photochemical machining, involves selectively removing material from a metal sheet using a combination of photoresist masking and etching solution. The process is highly controlled and allows for complex, detailed components with tight tolerances.

    This article shares insight on the benefits of nickel alloys and why photochemical etching is ideal for creating complex and intricate patterns on nickel based materials. Also included below are common applications of photochemically etched nickel components.

    Benefits of Nickel Alloy

    Nickel alloy combines nickel and other elements, such as iron, copper, chromium, and other metals. This alloying process enhances the properties of nickel, making it suitable for a wide range of applications in multiple industries. Nickel alloys exhibit unique chemical and physical characteristics, making them particularly valuable in manufacturing and engineering.

    Commonly etched nickel alloys include – Nickel 200/201, Cupro Nickel, Nickel Silver 770, Monel, Invar, Kovar, Inconel, and Alloy 42 and 46.

    Here are some key characteristics of nickel alloys:

    • Anti-corrosion: Nickel alloys are known for their exceptional resistance to corrosion and oxidation. This property makes them suitable for harsh environments, such as chemical processing, marine applications, and aerospace.
    • High temperature resistance: Nickel alloys can maintain their mechanical properties at elevated temperatures, making them ideal for applications where exposure to high heat is a consideration.
    • Strength and toughness: Depending on the specific alloying elements, nickel alloys can exhibit high durability. This makes them valuable in applications such as industrial equipment manufacturing and machinery production.
    • Electrical conduction and magnetism: Some nickel alloys have excellent electrical conductivity and magnetic properties. These characteristics make them suitable for electrical components, electronic devices, and magnetic applications.
    • Resistance to creep and fatigue: Nickel alloys are suitable for components in high-stress environments. They often have good resistance to gradual deformation due to constant load at high temperatures and the weakening of material from cyclic loading.

    Advantages of Photochemical Etching for Nickel Alloy

    Photochemical etching for nickel alloy offers several advantages, making it a preferred method in various industries. Here are some key benefits:

    • Cost-effective: This manufacturing method helps minimize material wastage due to its selective and targeted processing. This can result in significant cost savings over traditional machining, especially for intricate and complex designs.
    • Burr- and stress-free: The resulting nickel alloy components have smooth edges without the burrs or mechanical stresses commonly associated with traditional machining methods. The finished parts typically require minimal additional processing or finishing, contributing to efficiency in the production process.
    • Complex geometries: This process provides a level of detail that may be challenging to achieve through other manufacturing methods. Thus, it is well-suited for producing components with complex geometries, including fine meshes, intricate patterns, and microscale features.
    • No Heat Affected Zone: Photochemical etching is heat and stress free, so the super alloy properties of nickel silver are not compromised during manufacturing.

    Nickel Photochemical Etching Applications

    Nickel etching finds diverse applications across various industries, delivering intricate components with exceptional accuracy:

    1. Aerospace

    Nickel photochemical etching manufactures intricate components such as turbine blades, heat exchangers, and aerospace connectors. The process’ ability to produce complex shapes and patterns ensures optimal performance in demanding aviation environments.

    2. Electronics and Microelectronics

    The process allows for the creation of precise patterns at a microscopic level, contributing to the efficiency and miniaturization of electronic devices. It is used to produce circuit boards, lead frames, and connectors.

    3. Healthcare

    Nickel photochemical etching finds applications in manufacturing medical devices such as stents, catheters, and surgical instruments. The technique enables the production of customized components, ensuring the highest standards in medical equipment.

    4. Automotive

    Photochemical etching for nickel alloys is increasingly employed in the automotive industry for manufacturing parts such as fuel cell plates, precision gaskets, and sensors. Its ability to produce intricate shapes and patterns with tight tolerances contributes to automotive systems’ overall efficiency and performance.

    5. Microfluidic Devices

    In microfluidics, where manipulating small amounts of fluids is crucial, nickel photochemical etching is utilized to create small scale channels and structures. This is particularly valuable in the development of lab-on-a-chip devices for applications in healthcare and analytical chemistry.

    Discover the MET Advantage for Nickel Photochemical Etching

    Since 1988, MET Manufacturing Group has been a trusted name in precision manufacturing. Our commitment to exceeding customer expectations in quality, delivery, and cost has made us an industry leader. We specialize in handling etching projects of all sizes, from small prototypes to large production orders.

    Our state-of-the-art processes and quality control measures guarantee that each product meets the rigorous standards set by MET Manufacturing Group. With ISO 9001:2015 and RoHS certification and accreditation from the American Systems Registrar (ASR), we are dedicated to continuous improvement and customer satisfaction.

    Contact us or request a quote today to learn how we can elevate your project to new heights!

  9. Design Guide Photochemical Etching: A Complete Guide to Engineering a Photochemically Etched Part

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    Click to ExpandDESIGN GUIDE PHOTOCHEMICAL ETCHING: A COMPLETE GUIDE TO ENGINEERING A PHOTOCHEMICALLY ETCHED PART

    Photochemical etching is a manufacturing technique that uses chemical reactions to accurately remove a material from a metal sheet. A photosensitive mask, known as photoresist, is applied to a metallic surface, protecting areas where material is to be retained. The sheet is then exposed to UV light and put through a development process which hardens the masked portions. Lastly, the unprotected metal is dissolved from the frame, leaving behind the desired part or component.

    Accurate design is crucial in etching to ensure precise material removal and achieve the intended component specifications. Any discrepancies can lead to errors in the final product, affecting its functionality and compromising the overall quality of the etched component. Here are different design principles and guidelines to guarantee optimal results:

    1. Tolerances

    Standard rules on tolerances are pivotal in achieving consistent outcomes across different manufacturing scales. In the early stages of product development, a tolerance of ±20% of the metal thickness balances precision and flexibility. This allows for iterative adjustments without compromising the feasibility of the etching process.

    Given the variable nature of prototype development, designers should be prepared to refine tolerances based on feedback from the initial runs. This adaptability ensures that subsequent iterations meet evolving design specifications. Prototyping also often involves smaller batch sizes, and the tolerance choice should align with cost considerations.

    As designs transition from prototyping to full-scale production, it is advisable to tighten tolerances. While ±20% might be suitable for prototypes, high-volume manufacturing runs benefit from stricter controls to ensure consistent part quality.

    2. Center-to-Center Dimensions

    Center-to-center dimensions refer to the distance between the central points of two adjacent features, such as holes, slots, or other geometric elements. Small pieces benefit from photochemical etching to closely match the dimensions outlined in the production design. Due to certain limitations in preparation, practical tolerances are essential to guide the manufacturing process.

    3. Hole Size and Slot Width

    As a general rule, the hole’s diameter or the slot’s width should not be less than 1.2 times the metal thickness. This guideline prevents over-etching and material distortion, which may arise if the features are too small relative to the object. Adhering to this helps maintain the mechanical strength of the metal and ensures consistent results in the etching process.

    4. Line Width

    Line widths must equal the thickness when working with metals less than 0.005” thick to prevent distortion. For objects wider than 0.005”, the guideline recommends line widths of at least 1.2 times the metal thickness. This relationship ensures that the etching process proceeds without sacrificing the structural strength of the metal and results in accurate and reliable components.

    5. Corner Radius and Hole Configurations

    The following are several considerations to enhance the reproducibility and reliability of the components:

    Inside Corner Radius

    Sharp inside corners can be challenging to achieve and may lead to material distortion or irregularities during etching. Therefore, utilize adequate inside corner radii to facilitate smoother etching and prevent stress concentrations.

    Outside Corner Radius

    Maintain sufficient outside corner radii to prevent undercutting, a phenomenon where the etchant erodes the metal beyond the desired edge. Adequate external radii contribute to a more controlled etching process, ensuring the part retains its intended shape.

    Hole Configurations

    Consider the design’s hole arrangement and configuration. Proper separation between these features prevents material bridging and ensures each hole is etched individually. This is especially important in designs with many slots or similar elements.

    6. Bevels

    Bevels in photochemical etching refer to the slope produced on the walls of holes or along the metal edge during the process. The general approach is to either etch equally from both sides or entirely from one side for simplicity. Designers can vary the depth to create more bevels on one side when a two-side carve is necessary.

    The variation is quantified by specifying the percentage of etch from each side. For example, a 90/10 number denotes 90% etching from one side and 10% from the other. Given the complexity of this operation, the indicated percentage of etch allows for some leeway. This will account for the practical challenges of getting accurate bevels.

    7. Tie-Ins or Tabs

    Tie-ins or tabs extend one or more lines from a part to the metal border. Their size and quantity are generally minimized unless specified otherwise. This practice maintains the structural integrity of the part during the etching process. In cases where the parts are exceptionally small, tabs aid in stripping photoresist or facilitating plating operations.

    Choose MET Manufacturing Group for High-Quality Etching Services

    MET Manufacturing Group is your one-stop shop for high-precision sheet metal components made possible by photochemical etching! Our expertise lies in delivering meticulously crafted metal parts, ensuring accuracy and adherence to your design specifications. What sets us apart is our comprehensive suite of value-added services, covering every aspect of your project’s needs.

    Contact us or request a quote today!

  10. Industry Spotlight: Photochemical Etching

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    Photochemical etching (also referred to as chemical milling) is a precise manufacturing process to create intricate patterns or shapes on metal sheets. It utilizes a photosensitive material (photoresist) applied to the surface before placing a photographic mask on top. This combination is exposed to UV light to undergo a chemical reaction, leaving behind the desired pattern on the metal.

    The following industries utilize the photochemical etching capabilities:

    1. Aerospace

    The aerospace industry demands precision components to ensure the safety and performance of aircraft and spacecraft. Etching is often used to manufacture complex, lightweight parts such as brackets, gears, and shims. The process also allows for the creation of thin and heat-resistant turbine blades and heat shields with precise cooling channels.

    In the satellite industry, weight reduction is important to achieving cost-effective launches and efficient in-orbit operations. Photochemical etching can create portable yet sturdy satellite components, including solar cell frames, reflectors, and waveguides. It can also produce fuel cell plates and battery parts with precise flow channels and electrical paths.

    2. Automotive

    The automotive industry utilizes chemical milling primarily in the production of vehicle parts. This technology is crucial in manufacturing gaskets, shims, and filters, ensuring precise fit and functionality in motor vehicles. It also creates compact and durable fuel injector nozzles and transmission mechanisms to enhance fuel efficiency and performance.

    3. Electronics

    The electronics industry heavily relies on etching technology for various applications. One of these is the production of printed circuit boards (PCBs). The process forms precise and intricate copper traces on PCBs, allowing for the efficient connection of electronic components. This ensures fine detail and high precision, which is crucial for the performance of gadgets and devices.

    Electronic devices also typically require shielding against electromagnetic interference (EMI) and radio frequency interference (RFI). Chemical milling creates EMI/RFI shielding components that prevent signal interference in sensitive electronics. It also fabricates heat sinks with intricate designs to maximize heat dissipation.

    4. Medical Device Manufacturing

    The medical field requires implants and prosthetic components that are biocompatible, lightweight, and precise. Chemical etching is utilized to fabricate these tools and devices, ensuring that they meet patients’ specific anatomical and functional requirements. It also enables the production of microfluidic channels and structures, making it valuable in developing diagnostic equipment.

    Medical devices are also becoming smaller, particularly for implantable sensors and remote monitoring. Photochemical etching helps fabricate tiny electronic components with complex circuits and connections. It also offers a cost-effective and efficient way to create healthcare prototypes. This facilitates customization to meet the unique needs of patients and medical applications.

    5. Military and Defense

    Chemical milling is used to produce intricate and lightweight components utilized in various defense systems assemblies, such as air force and naval equipment. It is also vital in manufacturing radar parts, electronic enclosures, and shielding materials for sensitive electronic equipment, ensuring optimal performance and protection. In addition, it enables the creation of custom tools tailored to specific military and defense needs.

    6. Telecommunications

    Photochemical etching is used in the telecommunications industry to construct modules for various communication devices and infrastructure. This entails designing connectors and contact springs used in cables to enable reliable signal transmission. This method also produces waveguides and RF/microwave parts, where precision is essential for signal integrity.

    Partner With MET Manufacturing Group for Your Etching Needs

    MET Manufacturing Group specializes in photochemical etching for thin gauge, precision sheet metal applications. Aside from the abovementioned industries, we also serve to the following industry applications:

    • Semiconductor
    • Alignment and quality systems
    • Pressure sensors
    • Prototyping
    • Custom model work
    • Custom metal art
    • Scrapping dies
    • Electrical equipment

    In addition, our team offers value-added services of forming, plating, heat treating, kitting, and specialty packing for our etched products. We pride ourselves on delivering active customer service, competitive lead times and pricing, and building long-term client partnerships.

    Contact us today or request a quote to get started with us!

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