Oxygen Acetylene Welding
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 Astro Pneumatic 8080 O2 AC WELDING SET  US $222.95
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 Complete Light Duty Oxy Acetylene Kit FPW0384 0656 BRAND NEW US $275.49
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 Firepower 0384 0656 OXYGEN ACYTELENE KIT US $290.95
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 25 FT OXIGEN ACETYLENE TWIN WELDING HOSE TOOL W 025 US $26.99
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 Welding and Cutting Torch Conversion Kit US $159.99
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 Victor 0384 0904 Welding Cutting Torch Conversion Kit US $128.95
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 All American Heavy Duty Oxyacetylene Outfit UNPKAR780A BRAND NEW US $396.99
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 Uniweld UNPKM350 ALL AMERICAN LT MED OXYACETIYNE Kit US $289.13
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 Uniweld ALL AMERICAN HD OXYACETYLENE OUTFIT US $421.33
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 50 Ft 1 4 Atlas Retractable Welding Dual Hose Reel US $99.00 |
Some interesting facts about Oxygen Acetylene Welding
Creating safe welding environment
Of all the manufacturing activities, it is welding that is fraught with lot of dangers and certain precautionary measures are essential for safe welding. Some of the grave risks that a welder encounters are the obnoxious fumes and gases, the blinding arc rays, the inflammable sparks and electrical shocks.
• A welder must wear the prescribed protective clothing before commencing the welding work. Equally important is to wear protective eye and ear gears when welding/cutting.
• Make sure you are fully equipped with all the safe welding protection accessories such as - welding-helmet preferably with auto darkening feature, welding mask, welding apron, welding jacket, welding gloves, welding shoes, welding goggles, welding booths etc.
• Avoid breathing the poisonous fumes and provide for ample ventilation before commencing welding.
• Welders should deposit the butane lighters while welding as welding sparks can lead to a conflagration. Butane lighters are terribly powerful and when it explodes, it is as good as 3 sticks of dynamite.
• It is essential to handle all compressed gas cylinders extremely cautiously and ensure they are tightly closed with caps on when stored. When compressed gas cylinders become empty, tightly the valve and also mark them ‘empty'
• When lighting or shutting off a torch, follow the right technique and observe all the steps sequentially.
• Make it a point to wear rubber boots and work from a dry insulated platform
– particularly if you are required to do arc welding in a wet area.
• If it becomes necessary to weld in a confined space, you will have to take suitable extra precautionary measures as the potential risks are high.
• As a welder, it is your responsibility to protect your fellow workers from the pernicious light rays of welding arc.
• You must exercise utmost caution if you are required to splice different lengths of welding cable. Please ensure all the electrical connections are tight, secure and well insulated. Stay away from cables that are frayed, cracked or split.
• Check to make sure that your arc welding equipment is installed properly and grounded firmly and is in perfect working condition.
• Make sure flame cut sparks do not to strike the hoses, regulators or cylinders as flame cutting sparks have a tendency to travel up to even 40 feet.
• Never use oil, grease or any inflammable material - if they come in contact with oxygen, it can cause instant combustion. Likewise, never use acetylene at pressure in excess of 15 psi as higher pressures can mean a terrific explosion.
Please know that almost all gas welding and arc welding fluxes are toxic in nature and can easily cause allergies to welders and others around. All welders must know the elementary lesson that the heat energy used for welding can cause untold damage to the welders, persons around and property in the vicinity - if allowed to extend outside the welding area.
The welding shop owner and the welding supervisor must set safety standards and lead by example so that the welders observe all the necessary precautionary measures and the welders are also educated about the grave consequences that any negligence can result in.
About the Author
John is a Professional writer working with Everlastgenerators and he writes articles for Plasma Cutters. He written many articles like Welders, ,plasma cutting, TIG Welding. Contact him at weldings.info@gmail.com. For more information visit our site http://www.everlastgenerators.com
Questions on Oxygen Acetylene Welding
why is acetylene a gas when most hydrocarbons are liquids or solid?
i know it is extremely reactive and when it reacts with oxygen produces a high heat flame used in welding as well as a bright light...
Acetylene is a fairly small hydrocarbon.
The boiling points of hydrocarbons tend to be strongly related to their molecular mass.
There is a whole series of low molecular mass hydrocarbons that are gases at room temperature. Common examples are the "alkane" series: methane, ethane, propane, butane, isobutane (used in aerosol cans.) Also there are the light weight unsaturated "alkenes" like ethylene, propylene, butylene, which are (commonly used to make plastics e.g. poly-propylene.) Also "di-enes" like Propadiene and butadiene. All of them gases. There are also relatives of acetlene that have triple carbon bonds, such of methylacetylene and ethylacetylene.
In terms of molecular mass the heaviest hydrocarbon that is a gas at room temperature is, (I believe) dimethylpropane aka neopentane, C(CH3)4 which boils at 10 degrees C. or slightly below room temperature. (It condenses into a liquid inside a refrigerator or on a cold day.)
Hydrocarbons are "nonpolar", which means that the "electron density" around the entire molecule is fairly even and uniform. This is compared to "polar" molecules like water, ammonia, or methanol,in which the electron density is uneven resulting in positively and negatively charged regions around the molecule.
This means that the forces of attraction between individual molecules of hydrocarbons are quite weak compared to that of polar molecules like water.
Water has a molecular mass that is roughly the same as methane, the lightest hydrocarbon. But water has a boiling point of 100 C, while methane boils at a cryogenic -161 C! The reason for the huge difference is that the forces that attract individual molecules of hydrocarbons together are far weaker than that of water. It takes far more heat energy to overcome the individual attraction between water molecules and turn H2O into a gas. (H2O has some other quirks that allow it to exist as a solid and a liquid at such unusually high temperatures considering it's low molecular mass.)
In fact the nonpolar nature of hydrocarbons causes a slight repulsive force from highly polar molecules. This explains why hydrocarbon are "hydrophobic" and not soluble in water. The weak "inter-molecular forces" in hydrocarbons also explains why, as liquids, they tend to be less dense than water.
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