Tariqul

Touching grounded metal while arc welding can be safe after the arc is established. The required voltage drops significantly in this state. However, releasing the wire or rod while in contact with the metal allows the arc to re-establish, increasing voltage and creating safety risks. Always follow safety precautions while welding. Welders should always wear … Read more

Yes, light from arc welding is harmful to unprotected skin. It releases UV radiation, like sunlight. Long-term exposure can cause skin damage and affect the skin’s repair mechanisms. This damage can lead to abnormal cell growth and increase the risk of skin tumors. Wearing proper protection is crucial to prevent these harmful effects. The skin … Read more

Yes, watching a welding arc video can be dangerous. The welding arc produces harmful UV radiation, which is not accurately shown by cameras. Prolonged viewing can lead to “arc eye,” causing temporary visual impairment. Always wear protective eyewear near welding activities to prevent eye damage and ensure safety. Additionally, the brightness of the welding arc … Read more

Electric arc welding is a fusion welding process that joins metals by creating an electric arc between an electrode and the workpieces. The arc generates intense heat, reaching over 6500°F. This heat melts the metal at the joint, allowing the workpieces to fuse effectively. An AC or DC power supply powers the process. There are … Read more

MMA welding, or stick welding, is a specific type of arc welding. It uses a stick electrode held with an electrode holder to create an electric arc. This arc melts the base metal for joining. While all MMA welding falls under the category of arc welding, not every arc welding method is MMA. Thus, they … Read more

Arc welding primarily uses tungsten electrodes in processes like TIG and plasma welding. These electrodes create a stable arc. Inert gases, such as argon, protect the weld from contamination in the air. Other methods, including spot welding and ERW, utilize flux-coated electrodes for effective results. Another essential material is the shielding gas. Shielding gas, often … Read more

Electric arc welding uses various materials. Steel is the most common. Stainless steel can be welded with TIG, MIG, or stick welding, each yielding different results. Other materials include aluminum, magnesium, and titanium, which have specific qualities for different applications. Fillers are additives that enhance the weld. They help to join different metals and improve … Read more

Common materials in arc welding include Steel, the most widely used metal; Stainless Steel, which works well with TIG, MIG, or stick methods; Aluminum, known for being lightweight; Magnesium, appreciated for its low density; and Titanium, valued for its strength and resistance to corrosion. Stainless steel electrodes are another critical type of arc welding material. … Read more

Submerged Arc Welding (SAW) achieves maximum penetration due to minimal heat loss. Use a wire diameter of 3/32” or larger and keep the gap below 1mm. Higher current boosts penetration depth. Slower welding speeds also increase penetration. SAW efficiently deposits over 40 pounds of filler metal per hour, ideal for thick materials. Another technique involves … Read more

In Submerged Arc Welding (SAW), maximum penetration is vital for creating strong welds. Excess penetration can cause excessive weld dilution. Adjusting the welding current and speed helps achieve the right penetration level. Choosing the optimal gap size and filler metal enhances arc stability and improves deposition rates. Voltage also plays a crucial role in determining … Read more