Let’s discuss what an Arc Voltage Height Controller (AVHC), sometimes referred to as a Torch Height controller, is. Basically, a height controller consists of several components designed to automatically maintain proper height while plasma cutting. There are many different brands, but all have similar components, though they may be [...]
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The primary function of shielding gas in GMAW welding is to protect the molten weld puddle from atmospheric contamination. These contaminants are in the form of oxygen, nitrogen and hydrogen that are contained in the atmosphere. The reaction of these elements with the weld pool can create a variety [...]
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Poor wire feeding Poor wire feeding is among the most common challenges that a MIG Welding operator deals with on a daily basis. Wire feeding issues can lead to increased downtime, premature wearing of consumables, and an overall weld quality that can be very poor in appearance and strength. [...]
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The Consumable Stack Besides the torch or torch body a typical mechanized plasma system has upwards of seven components that make up what is commonly referred to as the consumable stack. Each manufacturer may call these items by a different name, but for purposes of this article we will [...]
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What is Hexavalent Chromium? Hexavalent Chromium, also known as “Hex Chrome”, or Chromium 6, or Chromium (VI), is a heavy metal that is known to be a potent carcinogen when inhaled. It can occur naturally, but can also be generated by various industrial processes.
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Many U.S. industries are struggling as there are simply not enough experienced workers to go around.
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Over the years, MIG welding processes have been improved with better welding equipment. With the more advanced equipment available today, it is possible for many operators to forget essential steps when performing the weld. Here are some common welding problems and some simple solutions.
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The Reason For Coolant Coolant is very important to plasma, it prevents the electrode and nozzle from melting due to the high temperature of the plasma arc. Some units can use air to cool these consumables but those are the smaller units cutting below 100 amps. When cutting at [...]
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Downdraft table basics Let’s start the discussion by explaining how a downdraft table works. A downdraft table is a simple concept, a blower pulls air out of an enclosed table while a plate is being plasma cut. This works because most of the plasma smoke is pushed below the [...]
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The Importance of MIG Welder Maintenance Proper maintenance of welding equipment is essential to its efficiency and lifespan. Maintenance, done on a regular basis, can extend the service life of your equipment and reduce the cost of rework or replacement of equipment and consumables. Below are some recommended maintenance [...]
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Welding aluminum using the gas metal arc welding process Welding aluminum using the GMAW process is not that much different than welding mild steel or other materials. The operator should always follow recommended best practices when welding all materials. The purpose of this article will be to give the [...]
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4-Step Method of selecting the right cutting tips: 1. Seat Type 2. Metal Thickness 3. Application 4. Fuel-gas Practical. Powerful. Portable. In recent years there’s been much discussion about the value of plasma-arc and laser processes for cutting and welding, but oxy-fuel is still the most commonly used method [...]
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Troubleshooting a poorly performing cable is an essential part of any MIG welding operation The cable is a key part of any MIG welding operation as it makes up the majority of the cost of the welding gun. It is surprising what goes into the MIG cable and where [...]
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