Posts Tagged ‘plasma arc welding’
Thursday, May 12th, 2011
There have been massive changes in the industry of welding. Initially, the process of welding would mean large bulky units and massive drawing of power. Also there would be many health issues and very limited geometry on which the welds can be created. However with the advancements in technology, there have been so many changes in the world of welding that today almost anyone can pick it up as a hobby. There are many units available that are portable and make the whole process of welding easy. Also there is great emphasis given on cost saving and these machines are specifically designed to minimize the energy usage in the process of welding. The machines are made for precise welding so that there is less room for error. With development of highly evolved techniques of industrial welding like the laser welding or plasma arc welding the process of automating a welding line has become relatively simple.
Tags: plasma arc welding, welder, Welders
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Monday, May 9th, 2011
Unlike in normal plasma cutting method in which there is no sharp or squireness in the edges we can get the right result that we need in this method. Getting an improved cut quality is no more difficult as we have High Tolerance Plasma Arc cutting, that are also known as HTPAC systems. These High Tolerance Plasma Arc cutting are obtainable with an extremely constricted plasma flow.
To be precise we can say that High Tolerance Plasma Arc cutting method is an automatic technique which requires accuracy, speedy tackle. We can get great results with thicker sheets starting from a minimal thickness of about 6mm.
Apart from this the cutting speed of these High Tolerance Plasma Arc cutting method is usually lesser than the usual plasma processes and can be calculated to be just about 60 to 80% the speed of a laser cutting method but still give a great cut at the end. The Cut quality lies between a usual plasma arc and the laser beam with Narrow kerf width. As the heat affected zone is very small, there is less or very minimal distortion.
Tags: plasma arc welding, plasma cutting, welder
Posted in Plasma Cutters | No Comments »
Friday, May 6th, 2011
As we all know water is used as a coolant in many industrial methods that involves high temperature for the process. Same ways water injection in the plasma arc cutting process also has a specific use. Water is injected through the injector into the plasma arc.
The plasma arc is generally got when Nitrogen is used as plasma gas in most of the plasma cutting machines. When the water is introduced to the plasma arc it induces a high degree of constriction. We can note that the temperature shoots up considerably to 30,000°C and above in this particular process.
If you compare the above process advantages with conventional plasma you can notice that there is a substantial Improvement in cut quality as well as squareness of cut. Apart from the improvement in cut quality we can also find an increase in cutting speed, less noticeable risk of double arching as well as decrease in nozzle erosion.
Tags: plasma arc welding, Plasma Cutters, plasma cutting machine, welder
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Thursday, May 5th, 2011
Plasma arc cutting process is one of the most efficient methods available to ensure sharp and perfect cut on any metal sheet of any desired thickness. The power required for such perfect cut is high and is attained by regulating that amount of plasma flow which is required for each metal sheet.
The power source for the Plasma Arc Cutting Process should contain a relaxed characteristic as well as a high voltage. Even though the operating voltage for sustaining the plasma used for the cutting process is on average 50 to 60V, the open circuit voltage that is required to kick off the arc is noted to be up to 400V DC.
On start, the first arc is created inside the cavity of the torch which is between the electrodes along with the nozzle. When the cutting is to be performed the arc should be transferred to the work piece and is hence called as the transferred arc mode.
Tags: plasma arc welding, Plasma Cutters, plasma cutting machine, Welders
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Wednesday, May 4th, 2011
Plasma cutting is a process that requires very less effort from the person who handles the machine. Many times the machines are seen to give out the accurate cut that was planned for and there is a chance of slight variations or issues only if the machine is not maintained well. If you need a clean cut without any clogging or variations, plasma arc cutting process is the best to choose.
The quality and the output of a plasma arc cutting process are well known. A technician who has used different types of welding and cutting machines can easily find out the difference and advantages of using these plasma cutting machines.
We can compare the cut quality of these machines to that of the oxy-fuel process but as plasma cutters use melting method to cut the metal sheet we can find that it leads to top edge rounding, reduced edge squareness otherwise called as a bevel on the cut edge at the result. Off late we are able to find different torches that are specifically designed to overcome arc constriction and give way for extra uniform heating at the top as well as the bottom of the cut.
Tags: plasma arc welding, plasma cutting, plasma cutting machine, welding
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Monday, January 24th, 2011
Plasma cutting is a technology that grew out of plasma welding in the 1960s. It is a dynamic way to cut sheet metal and plate in the 1980s itself. Plasma cutting is best known for the thickness of the material. The plasma is suitably hot to melt the metal being cut and moves sufficiently fast to blow molten metal away from the cut. The basic rules in selecting the best plasma cutting machine is:
Select the cutting capacity which goes with the material’s thickness you will be able to save up to 80 percent of your time.
Cut quality is important in the selection of a tool, because the cut has a final touch in your product, as well as it has its effect on the time taken in the process of production.
Reliability is the most important factor in selecting the best tool. The reliable plasma cutting is manufactured with lesser parts where they make use of software instead of hardware. Finally the reliability is completely tested by ISO.
Operation is the best process in the plasma cutting tool. When an experienced operator handles this type of job the job will be completed quickly as well as the finished product will look professional. In case if an un-experienced operator handles this type of job you can’t get the better output as like an experienced operator. The experience level is apart from using the plasma cutting tool. If the operator knows to handle the tool then they can get their work done quickly and with a best quality.
Tags: plasma arc welding, Plasma Cutters, plasma cutting, plasma cutting machine
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Thursday, January 13th, 2011
Buying welders is always a daunting task if you buy them without necessary knowledge because in market there are wide varieties of welders available. Plasma cutter turns out to an expensive tool if you buy those plasma cutting machines without any experience. Here are some tips for you to buy plasma cutting machines so that it can prevent you from buying blindly and also aids you in selecting the right tool for your welding process.
- First consider your usage and if you are using it regularly, then buy the one that has high amperage output and with greater duty cycles.
- Next the set up of the machine is essential and if you are using plasma cutter on your workshop, then buy the one that is portable, smaller and lighter.
- At some point, if you like to automate your plasma cutting machine, then select the one that does not have high frequency starting circuit because high frequency circuits cause electrical interference due to its high voltage spark and it can damage the equipment.
- Plasma cutter might seem to be an expensive tool, but buying the welders that are cheap leads to invest more on consumables and replaceable parts. Select the plasma cutting machine that fulfills your purpose and buy the efficient welding machines.
Tags: plasma arc welding, Plasma Cutters, plasma cutting, plasma cutting machine
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Tuesday, December 14th, 2010
A low electrical energy, high amp power source is basically an electric arch welder, which has a wire linked to the hand piece and a different wire bond to the project itself. The hand piece clutches an electrode which produces a high temperature arch by the side of the electrode tip at the time while struck adjacent to the work.
It requires an adequate temperature to dissolve the tip of the electrode that pushes into the bond joint making a blob as it cools down. A fluctuation is important and the temperature makes the flux to create a gas defend the region of the weld area.
At the time when electrode is applied, the worker adjusts the location of the hand piece for both to track the joint and to maintain a continuous arch gap. Modifications on the welder itself provide options for the operator to utilize a range of fusing rods relying on the environment and symphony of the bond that is essential. Most often electric arch welders are movable tools allowing the connection to be brought out in the field as required. This is utilized for farm functions, pipelines, mining and other outside conditions.
Tags: AC & DC Arc welders, arc welders, arc welding, Arc Welding Safety, plasma arc welding
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Wednesday, December 8th, 2010
Arc welding process is a process which consists of characteristics which is recognized for producing an electrical arc as it melts the metal. This kind of welding procedure has given its name as arc welding.
While performing the process of arc weld certain equipments will be required so that a welder is able to create an arc. In order to form arcs make sure that you have a supply of electricity. You can have an alternate supply of current (AC) or (DC) direct current power flowing from the electric supply unit. Such power is brought down to source material with the help of a torch.
Torch holds electrode which can be in form of consumable or non consumable. If the electrode is consumable, it will break easily when the heat from the power supply runs into it and at the same time as it heats up the material.
Electrode in arc welding will produce a light that will sparkle as it heats the source metal. Such electrode is known to be as a medium, this medium is fabricated by a material similar to the base material. At times this electrode is enclosed with flux. Flux is termed to be as a cleaning agent, its main purpose is to tidy up the source material while it is being welded.
Tags: AC & DC Arc welders, Arc Welder, arc welding, Arc Welding Safety, plasma arc welding
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Thursday, August 5th, 2010
The history of welding dates back from World War II but plasma arc welding was discovered few years ago. Plasma arc welding is a process which is very similar to arc welding. Here an electrode is inserted through a nozzle which allows separation from the shielding gas. This results in high intensity of plasma stream which is ample for attaining high speed and temperature of the arc. The advantage of plasma welding is they can weld on thinner metals. Plasma welding machines can be operated either manually or automatically. These welding machines create very thin and straight welds.
The plasma arc welding is considered to be one of the economical and efficient welding methods. These are known as the most consistent welds in today’s world. This welding machine needs less stress for applying to the welded pieces. These produces high heat of electricity which cuts a very rapid line on the metal. These are capable of cutting metals with painted or rusted surface. These are capable of welding for many applicators where the regular method of welding failed.
Tags: plasma arc, plasma arc welding, Plasma Cutters, welding, welding machines
Posted in Arc Welding | 2 Comments »
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