Welding article

SCR-controlled rectifier, LHF 405 Pipemaster, is designed for heavy-duty MMA welding with coated electrodes, basic TIG welding, and air-arc gouging. Vertical static characteristics keep constant current, regardless of cable length or arc voltage, while dynamic characteristics ensure stable arc and control of molten weld pool. Equipped with hot start, arc force, and automatic anti-stick functions, rectifier enables parameters to be adjusted during operation.

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Wewlding safety

Welding safety procedures should also be used in exposure to dangerous gases and particles. Processes like flux-cored arc welding and shielded metal arc welding produce smoke containing particles of various types of oxides, which in some cases can lead to medical conditions like metal fume fever. The size of the particles in question tends to influence the toxicity of the fumes, with smaller particles presenting a greater danger. There are many excellent filter and clean air products available for welding safety and should be used whenever possible. Additionally, many processes produce fumes and various gases, most commonly carbon dioxide and ozone, that can prove dangerous if ventilation is inadequate. Furthermore, because the use of compressed gases and flames in many welding processes pose an explosion and fire risk, some common precautions include limiting the amount of oxygen in the air and keeping combustible materials away from the workplace.

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Pipe welding

Pipe operating conditions in the handling of oil, gases, water, and other
substances range from high vacuum to pressure of several thousand pounds
per square inch. Mechanical joints are not satisfactory for many of these
services. Electric arc or oxyacetylene welding provide effective joints
in these services and also reduce weight, increase the strength, and
lower the cost of pipe installations.

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WQelding equipment

Check out our welding equipment section in the directory to locate welders, helmets, safety equipment and other welding supplies. Or maybe your interested in finding specialised equipment and processes such as micro, laser, and precision welding in our suppliers section. In addition to all the resources in the directory we also have tips, articles, and how to weld information, Visit http://www.1spotwelding.com/index1.html

Plastic welding

For a DIY enthusiast, the repair of everything in his house be it a leaking PVC pipe in the house, or the broken fender of his motorcycle is always a challenge. The look of pride in his eyes, after successfully completing job and the look of ?Look how clever he is!? in the eyes of others is a good reward for him.


For a clear idea of welding of plastic, you have to know about three things. The first is plastic, second is welding technique and the third is skill. You cannot learn the third one really without actually practicing it. Here are some details tips on welding plastics.

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Welding problems

To minimize the chance of welding defects be sure to consider 1) the travel speed of the pass; 2) the size and type electrode; 3) machine settings; 4) make sure the welding is done in accordance with the plan and the current conditions.



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Arc welding procesd

Arc-welding processes, which have become the most important welding processes, particularly for joining steels, require a continuous supply of either direct or alternating electrical current. This current is used to create an electric arc, which generates enough heat to melt metal and create a weld.

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