WebStep 5: Turn on the Gas. For aluminum, use pure argon. For steel, you would use an argon/carbon dioxide mixture. The gas is important to keep the weld from becoming corroded, as metal will rust (or in the case of aluminum, oxidize) ridiculously quickly at the high temperatures the metal reaches. WebMar 12, 2024 · Consider purchasing both 3⁄32- and 1⁄8-in.-dia. electrodes for a 120-V machine, which will allow you to weld sheet metal up to ¼ in. thick. Sometimes you can find a 5⁄64-in. electrode, which is ideal for welding thin sheet metal. A large-diameter electrode, like 5⁄32 in., is not recommended for 120-V machines because it will produce ...
How to use a welding machine? - Hong Ky Welding Machine
WebMar 31, 2024 · A welding wire feeds automatically through a handheld welding gun. The welding wire and the metal melt together to form a weld. Wire speed can be varied to suit the metal being joined and the... WebSep 13, 2024 · – When turning on the machine, place the torch far from the welding material so that they do not cause an unexpected arc – Open the cooling water valve. – Slowly … move footer closer to bottom of page word
A Beginner’s Guide to Welding
WebJun 5, 2024 · The Grounding Wire. The grounding wire is one of the most important parts of an electric welding machine. A grounding wire plugs into your power supply, with its clamp being the source of power for your welding material. Using the clamp on the grounding wire, you’ll need to attach it to your workpiece. If you don’t do this, you’ll have no ... WebJun 25, 2024 · Set the welding machine polarity to DCEP. This is reverse polarity. 2 Keep a consistent electrode length. As you are welding, keep your electrode extended between ¼” and 3/8” from the contact tube. This will help make for a clean, regular weld. 3 Use the proper shielding gas. WebMar 15, 2024 · Startup of laser welding machine: Turn on the power supply and turn on the main power switch; Turn on the water cooler and laser generator in sequence; Open the … heater block car