Hard- Surfacing, Building Fusion Welding Carbon Welding Non-Ferrous Metals Heating & Heat Treating Braze Welding Welding Cast Iron Welding Ferrous Metals Brazing & Soldering Equipment Set-Up Operation Equipment For OXY-Acet Structure of Steel Mechanical Properties of Metals Oxygen & Acetylene OXY-Acet Flame Physical Properties of Metals How Steels Are Classified Expansion & Contraction Prep For Welding OXY-Acet Welding & Cutting Safety Practices Manual Cutting Oxygen Cutting By Machine Appendices Testing & Inspecting
20 Goggles When welding or cutting, safety goggles with approved filter lenses must always be used to protect the eyes from the glare of the flames, from heat, and from flying particles of metal or slag. Goggles should fit snugly and be equipped with ventilating ports. They must have cover lenses (glass or plastic) and hardened glass filter lenses, which are supplied in several shades. Shade 4 is adequate for light cutting or sheet metal welding. Darker shades 5 or 6 should be used when welding plate or castings, or during heavy cutting. ”Coverall” goggles which can be worn over prescription eyeglasses are readily available. Gloves It’s a serious mistake not to wear gloves when welding or cutting. For light work, flame-resistant cotton gloves are often satisfactory. For most purposes, however, all-leather gloves, or gloves with leather palm and fingers, will prove more serviceable. Gloves should always have gauntlets long enough to cover the ends of your sleeves. Clothing The chief point to make about clothing is this: Protect yourself. Wear long sleeves, so that your wrists will be covered. Wear high-top work shoes if possible, especially when cutting, to keep sparks from your ankles. Wear cuffless trousers. Stay away from flammable synthetic materials if you can; cotton and wool are less susceptible to damage by sparks. Fig. 5-16. Oxy-acetylene welding goggles (left) and gauntlet-style leather welding gloves (right).