Used welding machines for sale 390

Welding Machines in the Metal - Presses/Forging Category at Exapro

At Exapro, we understand the intricacies of the industrial machinery sector, and we're dedicated to bringing you the best in used machinery from across the globe. Within our diverse range of machinery, the Metal - Presses/Forging category shines brightly, and among its stars are our top-notch welding machines.

Welding machines play a pivotal role in various manufacturing and fabrication processes. They're instruments that join metals by heating the surfaces to the point of melting using a blowtorch, electric arc, or other methods, and then uniting them by pressing, hammering, or by other techniques. In the world of metal presses and forging, welding machines help create everything from sturdy bridges to delicate jewellery. They are versatile, invaluable, and, when sourced right, can offer a fantastic return on investment.

Choosing to buy or sell your welding machinery through Exapro carries with it numerous advantages. Our platform is a bustling marketplace with a vast international audience, ensuring that your machinery gains the visibility it deserves. Sellers can enjoy a wide-reaching potential customer base, while buyers benefit from a broad range of options to find the perfect fit for their needs.

Quality is of utmost importance to us. When you browse our listings, you're met with an assortment of machines, each with a detailed description and, often, with photographs to give you a comprehensive understanding of the product you're interested in. This transparency provides both sellers and buyers the confidence they need to ensure they're getting a fair deal.

Exapro team is always on hand to assist, ensuring that transactions proceed smoothly and both parties are satisfied. Our reputation has been built over years of dedication to our clientele, and we're always striving to maintain our position as a leader in the used industrial machinery marketplace.

For businesses looking to invest without breaking the bank, buying used welding machinery from Exapro is a shrewd choice. The industrial world thrives on precision, efficiency, and, importantly, cost-effectiveness. When considering investment in welding machinery, it's not just about the machine's capability but also its value proposition. At Exapro, we've curated a selection that offers a broad spectrum of pricing to cater to varied budgets and requirements. With prices ranging from €6,000 to €24,000, businesses have ample choice without compromising on quality. Not only do you get access to high-quality equipment at a fraction of the cost of purchasing new, but you also benefit from the immediate availability, saving you from long lead times often associated with new machinery.

Whether you're in the market to buy or sell welding machines, or any other equipment in the Metal - Presses/Forging category, Exapro offers an unparalleled platform that marries quality, transparency, and service. Dive into our vast catalogue today, and discover the perfect machinery solutions for your needs.

Main advantages of Welding machines

Welding machines are fundamental tools in various industries, from construction to automotive manufacturing, shipbuilding, and many more. The consistent advancements in welding technology have only accentuated their importance. Let's delve into the main advantages of welding machines:

Versatility: Welding machines can join a variety of metals and materials of different thicknesses. From thin sheets of metal used in automotive industries to thick plates in shipbuilding, welding serves a broad spectrum of applications.

Durability: Welding offers a robust joint that is often stronger than the materials being joined. When done correctly, a welded joint ensures long-lasting durability and can endure high pressures and loads.

Cost-Effective: Welding can be more economical than other joining methods, such as bolting or riveting. Since welding can produce a continuous connection without the need for additional materials (like bolts), it often results in a reduction of overall material costs.

Efficiency: Modern welding machines are designed for speed and efficiency. Automated welding systems, in particular, can significantly increase production rates.

Consistent Quality: With the right settings and expertise, welding machines can produce consistently high-quality joints, reducing the likelihood of defects.

Compactness: Welded joints are often more compact than other types of joints, which can be crucial in industries where space is a premium or where aerodynamics and fluid dynamics are concerns.

Adaptability to Automation: Welding processes can be automated for mass production, ensuring consistent quality and increasing output. Automation also reduces human error and improves safety in the workplace.

Seamless Finish: A well-executed weld can result in a seamless finish, which is aesthetically pleasing and often requires minimal post-weld processing.

Flexibility in Environment: While certain conditions are ideal, welding can be done in various environments, including underwater and in outer space, given the right equipment and expertise.

Enhanced Safety: Modern welding machines come with features that prioritize the safety of the operator, including protective gear and mechanisms to reduce the risk of electrical shocks, burns, and harmful radiation.

To sum up, welding machines play a pivotal role in the fabrication and construction industries due to their efficiency, durability, and versatility. As technology continues to advance, it's anticipated that the advantages and applications of welding machines will only grow.

Main machine parameters of Welding machines

When considering the purchase or evaluation of welding machines, understanding their key parameters is crucial. These parameters not only determine the suitability of a machine for a specific application but also influence the quality and strength of the welded joint. Here are the main machine parameters of welding machines:

Type of Welding Process: The most foundational parameter, it determines which welding method the machine employs. Common processes include Tungsten Inert Gas (TIG), Metal Inert Gas (MIG), Shielded Metal Arc Welding (SMAW or stick welding), and Submerged Arc Welding (SAW), among others.

Input Voltage and Phase: Welding machines can operate on different voltages, commonly 110V, 220V, or 440V, and may be designed for single-phase or three-phase power input.

Output Current Range: This refers to the range of current (measured in amperes) that the machine can deliver. Some materials or thicknesses require higher or lower current levels.

Duty Cycle: Expressed as a percentage, the duty cycle indicates how long the machine can weld at a specific output without overheating. For example, a 60% duty cycle at 200A means the machine can weld continuously at 200A for 6 minutes out of a 10-minute period.

Electrode Size Compatibility: For processes like SMAW, it's essential to know the range of electrode diameters the machine can work with.

Wire Feed Speed: For MIG and flux-cored welding, the speed at which the wire electrode is fed into the weld is crucial. This parameter is usually adjustable and measured in inches or meters per minute.

Polarity Switching: Some welding processes require changing between direct current electrode positive (DCEP) and direct current electrode negative (DCEN). The ability to switch is essential for versatility.

Gas Flow Rate: For TIG and MIG welding, where shielding gases are used, the rate at which gas flows out is a vital parameter, often measured in cubic feet per hour (CFH) or liters per minute (LPM).

Open Circuit Voltage (OCV): This refers to the voltage when the welding machine is on, but no welding is taking place. It's essential for arc starting and stability.

Amperage and Voltage Adjustability: The ability to adjust these parameters allows welders to fine-tune the machine for specific materials and thicknesses.

Thermal Overload Protection: Some machines come with features that automatically shut down the system if it gets too hot, protecting the internal components.

Arc Control/Stability: This parameter indicates how steady and consistent the welding arc is, influencing the quality of the weld.

Inverter vs. Transformer-Based: Modern welding machines may use inverters to convert power, which often allows them to be lighter and more energy-efficient than traditional transformer-based machines.

Portability: Parameters like weight, dimensions, and whether the machine has handles or wheels can determine its portability.

Additional Features: Some machines come with advanced features like pulse welding, synergic settings, or even touch screen controls.

Understanding these parameters is essential for making informed decisions about which welding machine to use or purchase, ensuring both efficiency and safety in welding operations.

Area of Use 

Welding machines have a wide array of applications across various industries due to their ability to join materials securely and efficiently. Here are the primary areas of use for these machines:

Construction: Welding is pivotal in constructing buildings, bridges, tunnels, and other infrastructure. It's used for joining steel frames, reinforcing bars, and other structural components.

Automotive: The automotive industry relies heavily on welding for assembling car bodies, chassis, exhaust systems, and other critical parts.

Shipbuilding: Large ships and submarines use extensive welding to assemble hulls, decks, and internal structures.

Aerospace: Aircraft and spacecraft construction utilize welding for assembling both structural and non-structural components, ensuring strength and integrity at high altitudes or in outer space.

Railways: Trains, trams, and their tracks often require welding for construction, maintenance, and repair.

Oil and Gas Industry: Pipelines, storage tanks, and offshore platforms all employ welding for their construction and maintenance.

Electronics Manufacturing: On a smaller scale, specialized welding processes like laser welding are used to join electronic components.

Manufacturing of Household Items: Many everyday items, including furniture, kitchen appliances, and gardening tools, are manufactured using welding processes.

Energy Sector: In both renewable and non-renewable energy sectors, welding plays a role. For instance, wind turbine towers and solar panel frames require welding during their construction.

Boiler and Pressure Vessel Manufacturing: Welding ensures that boilers and pressure vessels can withstand high pressures without failure.

Pipelines and Mining: Welding is crucial for the construction of mining equipment and the pipelines that transport mined materials.

Defense and Military: Military hardware, including vehicles, ships, and weapons systems, often involves welding during their manufacturing process.

Agricultural Machinery: Tractors, plows, and other farming equipment are often made and repaired using welding machines.

Custom Fabrication and Art: Apart from industrial applications, welding is also used in custom metal fabrication shops to create specific parts, structures, or even art pieces.

Repair and Maintenance: Welding machines are vital for repairing broken parts or structures in various industries. This includes fixing damaged vehicles, restoring old machinery, or repairing infrastructure.

Pipelines and Tanks: Welding is essential for the construction and maintenance of storage tanks and transportation pipelines, especially in the oil and gas sectors.

Metal Art and Sculpture: Artists often use welding to create metal sculptures, decorative pieces, and custom furniture.

These areas of use highlight the ubiquitous nature of welding machines, from the vehicles we drive to the buildings we live and work in. The diversity of applications speaks to the versatility and indispensability of welding processes in modern industry and craftsmanship.

Main manufacturers of Welding machines

There are numerous manufacturers globally that are renowned for producing high-quality welding machines. Some of these companies have been in the business for decades and are well-respected in the industry for their innovations, reliability, and quality of products. Here's a list of some of the most prominent welding machine manufacturer, which you may also find on Exapro:

Lincoln Electric: Based in the USA, Lincoln Electric is one of the world's leading manufacturers of welding products, including machines, consumables, and accessories.

Miller Electric: Another major player from the USA, Miller Electric produces a wide range of welding equipment, from basic machines to advanced multi-process systems.

ESAB (Electrode Products): Originating from Sweden, ESAB is a global company known for its high-quality welding and cutting equipment.

Kemppi: A Finnish company, Kemppi is known for its innovative solutions in arc welding and has a strong reputation in Europe.

Fronius: Based in Austria, Fronius has made a significant impact on the welding industry, particularly with its advanced inverters and automation solutions.

Hobart Welding Products: A subsidiary of Miller Electric, Hobart is an American brand known for its reliable welding machines and consumables.

Böhler Welding: Originating from Austria, Böhler Welding is known for its welding consumables, especially its high-quality electrodes.

Panasonic Welding Systems: A part of the vast Panasonic Corporation from Japan, they produce sophisticated robotic and manual welding systems.

Jasic Technology: A Chinese brand, Jasic has rapidly grown in the last couple of decades to become a notable name in welding technology, offering a range of welding equipment.

GYS: A French manufacturer, GYS produces welding machines, battery chargers, and car body repair equipment.

CLOOS: A German company, CLOOS specializes in robotic welding solutions and manual welding equipment.

These manufacturers represent a mix of established giants and emerging players in the welding industry. Depending on specific requirements, preferences, and budgets, you might find the ideal welding solution from one of these reputable companies.