OxyFuel Fillet Welding

The fillet weld is the most popular of all types of welds because there is normally no preparation required. In some cases, the fillet weld is the least expensive, even though it might require more filler metal than a groove weld since the preparation cost would be less. It can be used for the lap joint, the … Read more

Oxyfuel Welding Positions

OxyFuel Welding Forehand OxyFuel Welding Forehand In the OxyFuel Welding forehand method, the welding rod precedes the torch. The torch is held at approximately a 45 degree angle from the vertical in the direction of welding, as shown in figure 11-4. The flame is pointed in the direction of welding and directed between… Read more >> OxyFuel … Read more

Shutting Down Oxyacetylene Welding Equipment

Properly shutting down Oxyacetylene welding equipment is important for maintaining a safe work environment.Below are the steps to follow when welding is finished:Shut off the gases. Close the acetylene valve first, then the oxygen valve on the torch. Then close the acetylene and oxygen cylinder valves. Drain the regulators and hoses by the following procedures:(1) … Read more

Oxy-Fuel Welding: Vertical Position

***Oxy-fuel welding in the vertical position requires a ***technique in order to keep the molten metal from running downward. In vertical position welding, the axis of the weld is approximately vertical. When welding is done on a vertical surface, the molten metal has a tendency to run downward and pile up. A weld that is not carefully … Read more

Oxyacetylene Welding Torch Malfunctions And Corrections

WARNING Defects in oxyacetylene welding torches which are sources of gas leaks must be corrected immediately, as they may result in flashbacks or backfires, with resultant injury to the operator and/ or damage to the welding apparatus. a. General. Improved functioning of welding torches is usually due to one or more of the following causes: leaking … Read more

Portable Oxyacetylene Welding Equipment

The portable oxyacetylene welding equipment outfit consists of an oxygen cylinder and an acetylene cylinder with attached valves, regulators, gauges, hoses, a welding torch, a selection of welding tips, a striker or spark lighter(fig. 5-5), a good pair of welding gloves,  a pair of shade 5 goggles and the standard protective welding clothing.  This equipment may be temporarily secured on the floor … Read more