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This section provides an overview for resistance welders as well as their applications and principles. Also, please take a look at the list of 25 resistance welder manufacturers and their company rankings. Here are the top-ranked resistance welder companies as of January, 2025: 1.Advanced Integrated Technologies, Inc., 2.WELD SYSTEM INTEGRATORS, INC., 3.NSRW, Inc..
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Resistance Welder is a machine designed for welding metals.
The welding part is sandwiched between two electrodes, and pressure is applied to the metal while passing electrical current through it. Since Joule heat generated by the resistance of the metal to be welded is used, there are various types of welding machines, such as inverter, transistor, and capacitor types, depending on how the current is passed through the electrode. Welding machines are classified into direct spot, indirect spot, series spot, and twin spot, depending on the method of current flow.
Resistance Welders, due to their structure, are mainly used for welding flat objects such as metal plates and pipes. They can be used for a wide range of applications, such as body panels of automobiles and steel frames of buildings. Resistance Welders offer rapid and high-strength welding. However, Resistance Welders may not be suitable for certain materials.
For example, aluminum and stainless steel are difficult to weld efficiently due to their low resistance values. In addition, the heat generated during welding may cause distortion. Therefore, it is also important to note that accurate heating control is necessary.
Resistance Welders are mainly used in factory production lines where welding is required. For example, they are used to weld parts of automobile bodies and to join the chassis of home appliances. They are also used at construction sites to weld steel frames for construction.
Resistance Welders are characterized by their high welding speed and low consumable parts, making them ideal for automation in mass production. They are frequently used in mass production lines. In recent years, Resistance Welders that are compatible with automation have been developed, and are now in use in the manufacturing processes of automobiles and home appliances.
When selecting a Resistance Welder, it is necessary to consider cost factors such as electricity consumption, electricity and equipment costs, impact on other electrical equipment, the type and thickness of the metal to be welded, and welding quality. Resistance Welders must also be selected to suit the application, as the accuracy and speed of welding, as well as the range of welding that can be performed, vary depending on the installation method.
Resistance Welders consist of four elements: a power supply, a transformer, a pressure control device, and an electrode. The current supplied from the power source is converted to a high current by the transformer and flows to the electrode. The electrode is pressed against the metal by the pressure controller, and the current flowing through the metal generates Joule heat, enabling metal-to-metal welding.
There are three types of Resistance Welders: Single-Phase AC, Inverter, and Capacitor. The single-phase AC type is widely used for general purposes due to its simplicity and cost-effectiveness. The inverter type, on the other hand, uses an inverter to convert AC power into DC for welding, enabling high-quality welding and is used for welding aluminum and plated steel plates. The capacitor type stores electricity in a capacitor and releases it all at once, thus producing a large current. It is suitable for short-duration welding, but may not be ideal for continuous welding due to the time required for storing electricity.
The metal to be welded is placed between the anode and cathode. Instantaneously, it undergoes intense heating and welding as a discharge of electricity occurs while pressure is applied between the electrodes. This discharge is typically initiated using a foot switch or push switch. The time of discharge needs to be adjusted in advance according to the type and thickness of the metal to be welded.
During test welding, the welding current and time are adjusted to the appropriate level for sufficient weld strength and to prevent excessive burning. Generally, copper and aluminum are difficult to weld with high current flow, so the current should be increased and the time should be set longer.
On the other hand, nichrome wire and steel plate are easy to weld due to their high resistance and can be welded in a short time.
*Including some distributors, etc.
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Sunstone Engineering LLC is a designer and manufacturer of high-tech micro welding and engraving solutions based out of Payson, Utah. Under the Orion, Avis, PW, and Seit brands, the company serves industries as diverse as jewelry, power sell manufacturing, aerospace, and orthodontics. The company’s customers include Boeing, Ford, Tesla, and Microsoft. The company’s product lines include lasers, pulse arcs, HF inverters, and hot bar reflow welding systems. The company produces almost all its products at its factories in Utah and distributes them to customers around the world.
Advanced Integrated Technologies, Inc., established in 1975 in Mountain View, Arkansas, USA, is a manufacturer of spot welding, hot bar soldering, and ACF bonding. The spot welding capabilities allow for strong, flexible connections for various applications, and the hot bar soldering enables precise and efficient soldering of electronic components. ACF bonding technology allows for the creation of intricate, optimal-performance electronic assemblies. These processes are instrumental in the aerospace, defense, medical, and telecommunications industries, where precision and accuracy are paramount. The company offers advanced technology and patented manufacturing process, ensuring optimal quality and accuracy in the products with ISO, CE certifications.
Weld System Integrators, Inc., founded in 2000 in Warrensville Heights, Ohio, USA, is a manufacturer of advanced welding equipment and automated welding tools. The company makes various welding-related products, including resistance welding equipment, welding controls, and automation systems. The products are designed to enhance welding processes, improve precision, and increase productivity, making these tools ideal for industries where precise and stable welding is critical. Weld System Integrators, Inc. serves a wide array of industries, including automotive manufacturing, aerospace, electronics, and medical device manufacturing, where the advanced welding solutions play a pivotal role in ensuring the production of optimal-quality components.
Taylor Winfield Technologies, Inc., is a manufacturer of material joining equipment and systems, founded in 1882 and headquartered in Youngstown, Ohio. The company specializes in designing and manufacturing a range of equipment for various industries, offering solutions in resistance welding, automation-based material joining, coil joining and processing, induction heating, as well as capacitor discharge, multi-gun resistance welders, arc welding, and linear friction welding. Its range of services includes field service, machine health assessment, preventative maintenance assistance, upgrade supervision, startup & commissioning, and more.
NSRW, Inc., is a resistance welding manufacturing company, providing both new, custom resistance welding machines as well as used resistance and spot welders, was established in 1983, based in the United States. The company's portfolio includes from raw materials to finished products, is also a metal service center specializing in copper, copper alloys and specialty metals used in welding process. It stock and supply all components for customers' welding needs. With a team of experts proficient in every aspect of welding process, it operates as a full-service copper and resistance welding specialist. It has been ISO 9001 certified since 1997.
Evik, established in 1967 and headquartered in Agios Ioannis Rentis, Greece, is a cable pulling equipment developer and manufacturer. The company's products include cable pulling grips, cable drum handling equipment, and cable rollers to facilitate long cable pulling through complex routes such as down manholes and around corners. It also offers fiberglass duct rodders for installing underground telecommunication cables and power cables into existing ducts or conduits, and spare part wheels, reels, and rods for fiberglass duct rodders.
ITECMA, founded in 2010 and based in Seroa, Portugal, is a manufacturer of cutting tools and accessories for industry professionals. The company's portfolio of cutting tools includes circular and band saw blades, knives, and alignment lasers. It also provides industrial solutions specialized in wood tools, such as bearings, pulleys, and gearboxes. These products are utilized in wood, tannery, textile, and many other industries. The company offers a complete cutting tool maintenance program to its customers, providing services through its logistics network and tool sharpening and repair center.
Fujian Nebula Electronic Co., Ltd, founded in 2005 in Xiamen, Fujian, China,is a manufacturer of battery test and ESS (Energy Storage System) solutions. The company holds ISO 9001 and ISO 14001 certifications, and its product range encompasses battery testers, ESS test equipment, battery simulators, and cloud-based battery data management systems. These solutions offer benefits such as accurate and efficient battery testing, improved ESS performance, and comprehensive data analysis for proper decision-making. Its products find applications across various industries, including renewable energy, electric vehicles, consumer electronics, and telecommunications, resulting in the growth of clean energy technologies and efficient energy storage systems.
Soudronic AG, founded in 1953 and headquartered in Bergdietikon, Switzerland, is an ISO 9001-certified manufacturer of welding solutions for various applications specific to the metal packaging industries. Its products include can assembling systems, drum welders, and coating systems, and it also sells accessories for welding, coating, and curing. The company produces and maintains can body production lines, operated to a maximum of 1,200 cans per minute, and used to create products like pails, cans, and drums. It has several subsidiaries, including Ocsam Cepak s.r.l., Sabatier S.A.S., and Can Man AG, and its service network covers 120 countries.
Tecna SpA, established in 1972 and headquartered in Castel San Pietro Terme, Emilia-Romagna, Italy, is a designer and manufacturer of spot and projection welders and industrial-use welding machines. The company's range of products include infrared heaters, single-phase linear action welders, and balancers.The company also produces a line of essential components and accessories for resistance welding, including adaptive and digital control units, weld testers, transformers, and inverters. Tecna SpA holds ISO 9001:2015 and ISO 14001:2015 certifications for its Quality and Environment Integrated Management System.
TECHNAX S.A.S., founded in 1989 as Technax Industrie S.A.S., is a French manufacturer based in Saint-Priest, Lyon, providing brazing and welding services for various equipment and machines. The company’s services include laser, resistance, and refill friction stir spot welding. It also engages in induction brazing and combrazing, a combination of resistance brazing and compacting processes. It offers tool design and fabrication, catering to functions like bending, punching, and screwing, along with precise feeding and positioning of small components. The company serves various industries, primarily the transportation and energy sectors.
Nippon Avionics Co., Ltd is a Japanese manufacturer of electronic aviation equipment and other office equipment. The incorporation is a result of merging NEC Corporation and Hughes Aircraft Company in 1960. Headquarters are located in Yokohama Japan. The company designs, manufactures, and sells items from three product lines: Information Systems, Joining Equipment, and Infrared Thermography. The products include communication devices used in aviation integrated circuit (IC) boards and media projectors for office use.
DAIHEN Corporation, established in 1919 and headquartered in Osaka, Japan, is a manufacturer of Power Products, Industrial Robots, and RF/MW Generators & Automatic Matching Units for plasma applications. The company provides an extensive array of products, including Oil-immersed Transformer, Cast Resin Transformer suitable for high buildings, public facilities, and hospitals, Power Distribution Equipment such as closed type power distribution boards and remote monitoring systems, as well as Sensors for Robot Welding and Positioners & Sliders. The company also offers various welding & cutting machines, including TIG Welding Machines, Plasma Cutting Machines, as well as Peripheral Devices for Welding.
AMADA WELD TECH, headquartered in Monrovia, California, USA, and established in 1948, is a manufacturer and supplier of equipment and systems for metal and plastic material joining, marking, cutting, and processing. Its offerings include resistance welding machines, laser welding systems, hot bar bonding tools, hermetic sealing systems, and micro TIG welding solutions. These products find application in diverse sectors, including automotive, medical, aerospace, electronics, and battery manufacturing. The company holds ISO 9001:2015 certification for quality management and was honored with the Laser Focus World Innovators Award in 2019 for its MM-L300A laser weld monitor.
Schleuniger, established in 1975, is a manufacturer and supplier headquartered in Thun, Switzerland, specializing in providing solutions for cable processing and testing. The company's product portfolio includes wire stripping machines, crimping machines, printing machines, cable coiler machines, and cable testing equipment. These products find application in industries such as automotive, aerospace, electronics, medical, and in telecommunications. Schleuniger holds certifications such as ISO 9001 for quality management and ISO 14001 for environmental management.
Spiro International SA, established in 1952 and headquartered in Bösingen, Switzerland, is an industrial equipment designer and manufacturer. The company specializes in producing machines that are used to produce the ductwork for heating, ventilation, and HVAC systems. Its products include tube formers, plasma cutters, and spot welders. It also supplies a range of automatic machines to produce cut and welded Gored elbows in tubing and modular automatic square-duct manufacturing systems. The company also offers custom machine development, maintenance, and operator training.
AMADA WELD TECH CO. LTD., established in 1972 and headquartered in Isehara-shi, Kanagawa, Japan, is a manufacturer of welding and marking equipment. The company specializes in producing equipment and systems for resistance welding, laser welding, laser marking, laser cutting, laser micromachining, and hot bar bonding. Some of its product families include OP-AWS3-A, EZ-Air, Jupiter, Markermotion, NH Series, and UF Series. The company has obtained ISO 9001 certification for its quality management system.
Standard Resistance Welder Company was founded in 1973 and headquartered in Winston, Georgia as a division of Jim Dally & Associates, inc. The company is a developer, engineer, and manufacturer of resistance welding equipment. The company offers custom design and manufacture of all types of standard and special resistance welding equipment and systems as well as electrodes, special tooling, and fixtures. The company’s products include resistance welders and other welding products including gun welders, seam welders, press-type welding machines, and automated welding systems bench welders.
Otto Bihler Maschinenfabrik GmbH & Co. KG (Bihler), founded in 1953, is a manufacturer and supplier based in Halblech, Germany, specializing in automated technology for stamping, forming, and welding processes. The company’s product lineup includes machines for producing stamped and formed parts. It also offers servo processing modules for flexible production, including material feeding, thread forming, and screw joining. It develops welding machines, featuring automated solutions for productivity, as well as over 12,000 tools for precision tasks, marketed under the LEANTOOL brand. The company further offers a control platform for all tasks, complemented by software and an intelligent control system.
Migatronic A/S is a Danish manufacturer of welding machines and equipment that is headquartered in Fjerritslev, Denmark, and was established in 1974. The company's core expertise lies in designing and producing a diverse range of welding machines and accessories, including MIG welders, TIG welders, plasma cutters, and robotic welding systems. Migatronic also offers other welding consumables, such as welding rods, wire, and gas. Migatronic offers services such as customization warranties, automation and machine refurbishment. The company's customers include various welding processes and industries, including manufacturers, distributors, automotive, industrial, and shipbuilding.
Thejo Engineering Limited, founded in 1974 and headquartered in Chennai, Tamil Nadu, India, is a manufacturer and service supplier in the fields of bulk material handling, mineral processing, and corrosion protection. The company offers various services, including conveyor belt services, transfer point services, and abrasion and wear services, aimed at optimizing the life cycle of wear parts. Its product range includes the TEZ mechanical splice system for conveyor belts, synthetic adhesives, as well as earthmoving equipment designed for construction and excavation purposes.
Ranking as of January 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Advanced Integrated Technologies, Inc. |
14.2%
|
| 2 | WELD SYSTEM INTEGRATORS, INC. |
11.1%
|
| 3 | NSRW, Inc. |
7.9%
|
| 4 | Sunstone Engineering LLC |
7.6%
|
| 5 | Taylor Winfielld Technologies, inc. |
7.0%
|
| 6 | Nippon Avionics Co., Ltd. |
6.6%
|
| 7 | TECHNAX |
6.3%
|
| 8 | Standard Resistance Welder Co., Div. of Jim Dally & Associates |
5.1%
|
| 9 | TECNA SpA |
4.4%
|
| 10 | DAIHEN Corporation |
3.5%
|
Derivation Method
The ranking is calculated based on the click share within the resistance welder page as of January 2025. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
6 | 35.3% |
|
Japan
|
2 | 11.8% |
|
Germany
|
2 | 11.8% |
|
Greece
|
1 | 5.9% |
|
Portugal
|
1 | 5.9% |
|
China
|
1 | 5.9% |
|
Switzerland
|
1 | 5.9% |
|
Italy
|
1 | 5.9% |
|
France
|
1 | 5.9% |
|
Denmark
|
1 | 5.9% |
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