Articles & Podcast Episodes

TIG welding, also known as gas tungsten arc welding (GTAW), uses a tungsten electrode to create an electric arc for welding. An inert gas, often argon, surrounds the arc. This gas protects both the electrode and the molten weld from contamination, ensuring a clean and strong weld. When comparing TIG welding to other methods, such … Read more

Arc welding is a metal joining process that uses electricity as a heat source. The electricity creates an arc, producing enough heat to melt the metal. As the molten metal cools, it solidifies and forms a strong bond. This method is popular in construction and manufacturing because of its effectiveness and efficiency. The benefits of … Read more

Welding arcs produce radiation that spans 200 nm to 1,400 nm. This range includes ultraviolet (UV) radiation (200-400 nm), visible light (400-700 nm), and infrared (IR) radiation (700-1,400 nm). Knowing these wavelengths is crucial for ensuring safety and achieving effective welding practices. Optical radiation is another significant concern in arc welding. It includes visible light, … Read more

Welding arcs can cause injuries if they hit a metal necklace. Risks include crush injuries, which restrict blood flow, and burn injuries from arc flashes. Always tuck your necklace safely or secure it to prevent movement. For repairs, consult a professional jeweler who uses specialized techniques. Welders must maintain awareness of their attire. Loose or … Read more

Shielded arc welding in a horizontal position uses a flux core welder. Proper rod positioning and angles are essential. Safety gear like a flame-resistant suit and FFP3 respirator are important. Understanding magnetic fields and avoiding arc-blow is crucial. Animated tutorial videos help learn welding motion effectively. Techniques such as the stringer bead and weave pattern … Read more

The Intelli ARC welding simulator provides realistic training for welders. It features Miller IntelliPath for programming and OcuWeld’s Virtual Reality for safe practice. With Lincoln Electric’s VRTEX 360, it enhances skills and offers real-time feedback, making learning efficient in various welding techniques and improving training consistency. Users can engage in hands-on practice with different materials … Read more

Inert Gas Metal Arc Welding, or MIG welding, is a process that uses a continuous wire electrode. The welding gun feeds this electrode, melting the base materials in a weld pool. MIG welding has advantages such as precise heat control. It is commonly used in industries for joining metals and other applications. The primary components … Read more

An arc welding machine has essential internal parts: a main cable connected to a power source (usually 3-phase 220 or 440 volts AC), a starter, a transformer, and rectifiers. It includes controls for voltage and current. Additionally, secondary wires ensure grounding and enhance safety during operation. The cooling system prevents overheating during prolonged use, maintaining … Read more

Interpass temperature is the temperature of the weld zone between each welding pass. It affects weld quality and the mechanical properties of the material. Keeping the interpass temperature below 550°F helps prevent cracking in quenched and tempered steels. The American Welding Society emphasizes this control for safe multipass welds. The mechanical properties of the weld, … Read more

Gas Metal Arc Welding (GMAW), also known as MIG welding, is a method that uses a continuously fed wire electrode and shielding gas. The shielding gas protects the molten metal from contamination. GMAW is popular for its versatility, efficiency, and ability to weld different materials safely across various applications. The key differences lie in their … Read more