Overview of Acetylene Torches for Welding


by William Walley - Date: 2008-10-23 - Word Count: 475 Share This!

Acetylene torches are one type of welding torch that hisused to weld some metals. The process for these torches is that they containinside them two things that burn - acetylene and oxygen. The acetylene andoxygen mix can reach hot flames of about 6300 degree Fahrenheit.

 

Most of the time these acetylene torches are used to weldiron and it can cut steel. They are mostly used in production and manufacturingcompanies, aerospace, civil engineering and other industries. Some are used forsmall work that can be done as a hobby at home.

 

Acetylene torches can also be found in kits and soldseparately. They are designed so that they will mix the right amount of fuelgas with oxygen from the atmosphere. Acetylene torches contain two types offlames: one for cutting the other for welding.

 

The one for welding is called Oxy-fuel welding and theprocess works to take two pieces of metal and weld them together using thetorch. These welds will hold strong because the metals are heat to a point thatthey create a weld pool that contains both metals.

 

Acetylene torches are also used in Oxy-fuel cutting wherethe torch heats the metal until the oxygen makes a steam that combines withcreates an oxide slag that is produced by the seam and the metal that it hits.

 

Some of the ways that acetylene torches have been usedinclude:

·        Stone work -- can be used for"flaming". The torch heats the stone to a point where the layer ontop breaks and cracks. Then, a round, steel brush is used that is attached toan angle grind. This removes this first layer of the stone to get a"hammered bronze" look.

 

·        Glass -- this industry will use an acetylenetorch to produce an effect called "Fire polishing" which is a waythat heats glass in order to give it a smooth appearance that looks like it hasbeen polished.

 

·        Jewelry -- many people produce jewelry using atechnique called "water welding" that actually gives the effect tothe jewelry of annealing.

 

In order to use an acetylene torch there needs to be acylinder that contains fuel gas, an oxygen source, two hoses that are flexibleso that each cylinder has one, two regulators that regulate the pressure in thetwo cylinders and a torch.

 

The torch itself is the tool that the welder uses toactually do the welding. There are several different types of acetylenetorches. The welding torch has no oxygen trigger but it has a nozzle with oneor two pies.

 

The cutting torch has both oxygen and acetylene and has a nozzlethat produces three pipes that go into the torch at a 90 degree and has atrigger for the oxygen blast.

 

When a welder wants to bend or straighten metalor they need to weld a large area, they will most often use a rose-bud torchbecause it is the best one for this type of job. They call it this because theflame actually looks like the bud of a rose.

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