Articles & Podcast Episodes

Arc welding noise levels in metalworking vary. For Welding/MMA, levels are 85 to 95 dBA. MIG welding ranges from 95 to 102 dBA. Arc air gouging produces 104 to 125 dBA. These sounds may cause hearing damage, so use hearing protection to follow OSHA regulations. In addition to health risks, excessive noise can affect communication … Read more

फ्लक्स शील्डेड मैटल आर्क वैल्डिंग (FMAW) एक प्रमुख प्रक्रिया है। इसमें वेल्डिंग से पहले जॉब को 205 °C तक प्री-हीट और 730 से 790 °C तक पोस्ट-हीट करना जरूरी है। मुख्य प्रकारों में SMAW और TIG वेल्डिंग शामिल हैं। सही वेल्डिंग उपकरण और तकनीक से उच्च गुणवत्ता प्राप्त होती है। Additionally, the guide explains various … Read more

Arc welding is a process for joining metals. It uses an electric arc to create high temperatures, exceeding 5500°C. A power supply provides energy, and electrodes—either consumable or non-consumable—melt the metals. This method includes various welding techniques, ensuring strong and precise welds for many industries. The SlideShare emphasizes the importance of safety practices, equipment handling, … Read more

Take our free welding practice test to evaluate your skills for basic certification. This test includes questions about welding techniques, materials, and processes like gas metal arc welding and shielded metal arc welding. Prepare effectively for the American Welding Society exam with accurate and current information. By engaging with the arc welding practice test, welders … Read more

Increasing the arc length raises electrical resistance and thus increases voltage. A shorter arc length has the opposite effect, lowering both resistance and voltage. Properly managing arc length is essential for a stable welding process and achieving high welding quality. As the arc length extends, the welder must adjust their technique. Increased distance can lead … Read more

The arc welding process is a set of techniques that uses an electric arc as a heat source. This heat melts base metals, enabling them to join together. A common technique is manual shielded metal arc welding (SMAW). Research by A.K. Paul focuses on improving control and optimal performance in these welding processes. Optimization insights … Read more

The arc welding process starts when the power supply activates. The electrode moves toward the base material, creating an electric arc that generates intense heat. This heat melts the base metal, the electrode core, and the flux coating. The flux coating creates a shielding environment, protecting the weld from contamination during the process. There are … Read more

{Submerged arc welding (SAW) is an arc welding process that uses a continuous electrode to create an electric arc between the electrode and the workpiece. A powdered flux forms a protective gas shield and slag, which protects the weld. Alloying elements may also be added to the weld pool to improve its properties.} Key details … Read more

The arc welding process formula for heat input (HI) is HI = Arc Voltage × Arc Current / Travel Speed. Units are joules per inch (J/in) or kilojoules per millimeter (kJ/mm). For example, if Arc Voltage is 20V and Arc Current is 200A with a Travel Speed of 10 in/min, then HI = (20 × … Read more

In arc welding, the process starts when the power supply turns on. The electrode is placed close to the base material, forming an electric arc. This arc produces intense heat that melts the base metal and the electrode core. The flux coating creates a protective environment, leading to a strong weld. There are several types … Read more