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Welding Torch Interchangeable Burner Nozzle Tips

Welding Standard

The welding torch consists of a handle, a connection valve, a mixing chamber and interchangeable burner nozzle according to the thickness of the metals to be welded. The gas connections lead to the gas cylinders (pressure vessels) and the connection valve regulates the fuel in the mixing chamber of the grip. In here, the fuel is mixed together with the oxygen flow under high pressure, and both are sucked in the burner nozzle.

The welding torch welds metal parts by heating them with burning gas. It has either one or two pipes that run to the nozzle. There are two gauges/ regulators that adjust the oxygen and gas flow. The torched is equipped with a bottle of pure oxygen compressed to 98% (200 bar pressure) and a bottle containing acetylene acetone (15 bar pressure).

Here are basic descriptions of some of the welding torches and tools:

The cutting torch uses a high temperature propane-oxygen flame for high quality and precise cuttings on metals and other materials.

The injector torch is actually an archetypal-oxygen fuel torch. In the injector torch, the two gasses are mixed and through a small nozzle inside of the torch head, the high-pressure oxygen is pushed out.

The rose-bud torch is generally used to heat metals on huge areas that require heating, straightening or bending. It can also be used to heat nuts and bolts that are rusted. There are two types of welding:

Oxy-Fuel welding – the metals pieces are welded by a welding torch and a welding wire that is used as filler material. This torch uses combustion gases, usually a heated Oxy-Acetylene mixture. The temperature of the flame is about 3200 ° C and the gas flame shields the weld from the surrounding atmosphere and prevents the oxidation of the metal.

Therefore, the melting process is suitable for both factory and on site welding.

Oxy-Fuel Cutting – the metal is cut by the thermal energy from the gas welding torch and hence the device is called Oxy-Fuel Cutting. The torch uses a temperature of about 980° C to heat the metal. The oxygen is then spread on the metal and on the interaction the metal cremates and falls off the cut as metal ash.

The gases that may be used for oxy-fuel processes are propylene, hydrogen, liquid petroleum, natural gas and MAPP gas.

In order to have a safe and satisfactory performance, the following measures are suggested:

  1. The tip of the torch should be clean and polished.
  2. One has to be careful while cleaning a welding tip.
  3. In order to get a perfect shaped flame, the surface must shade right angles with the axis of the torch
  4. The orifice of the torch tip can be cleaned with a small file that scrubs and refurbishes the circular surface.
  5. It is preferable to hold the head perpendicular to the cloth and the head can be scrubbed back and forth.
  6. Any carbon deposit should not be allowed to accumulate and removed immediately.
  7. While using a welding tip cleaner on your welding torch, dropping should be avoided as the joints that are sealed may get damaged.
  8. Special welding cleaners are available that can be used to remove carbon.
  9. Welders while using a number drill has to be very cautious to see the orifice is not enlarged, bell-mouthed or deformed or reamed out of round.
  10. Proper gloves and goggles must be worn to provide when welding or cutting.
  11. Torch should never be lit with a matches or a lighter. A striker should be used.
  12. While using a torch, beware of people around.
  13. Welding hoses should not come into contact with torch flame or sparks from cutting.

Oxy-fuel welding and cutting – Wikipedia, the free encyclopedia
Oxy-fuel is one of the oldest welding processes, though in recent years it has become In oxy-fuel welding, a welding torch is used to weld metals.
http://en.wikipedia.org/wiki/Oxy-fuel_welding_and_cutting

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