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Learn More About Longevity Plasma Cutters and Welders – and Why You Need Them!   by NHPROEQUIP

First, what is plasma cutting, exactly? It is a process that is used to cut steel and other metals of different thicknesses (or sometimes other materials) using a plasma torch. In this process, an inert gas (in some units, compressed air) is blown at high speed out of a nozzle; at the same time an electrical arc is formed through that gas from the nozzle to the surface being cut, turning some of that gas to plasma. The plasma is sufficiently hot to melt the metal being cut and moves sufficiently fast to blow molten metal away from the cut.

Process

The HF Contact type uses a high-frequency, high-voltage spark to ionise the air through the torch head and initiate an arc. These require the torch to be in contact with the job material when starting, and so are not suitable for applications involving computer numerical controlled (CNC) cutting.

The Pilot Arc type uses a two cycle approach to producing plasma, avoiding the need for initial contact. First, a high-voltage, low current circuit is used to initialize a very small high-intensity spark within the torch body, thereby generating a small pocket of plasma gas. This is referred to as the pilot arc. The pilot arc has a return electrical path built into the torch head. The pilot arc will maintain itself until it is brought into proximity of the workpiece where it ignites the main cutting arc. Arcs are extremely hot and are in the range of 25,000 °C (45,000 °F).[1]

Plasma is an effective means of cutting thin and thick materials alike. Hand-held torches can usually cut up to 2 in (48 mm) thick steel plate, and stronger computer-controlled torches can cut steel up to 6″ (150 mm) thick. Since plasma cutters produce a very hot and very localized “cone” to cut with, they are extremely useful for cutting sheet metal in curved or angled shapes.

LONGEVITY is well-known for offering reasonably-priced and portable longevity cutters and MIG/MAG, TIG, Wire, Stick / Arc / MMA welders with and other welding equipment including multipurpose welders. LONGEVITY uses MOSFET and IGBT Inverter Technology inside their welding machines.

Here at Clark Heintz Tools & Equipment (www.NHProEquip.com) we service what we sell, we stock consumables, and WE OFFER A 5-YEAR WARRANTY. We also do quality control, set up, and finally, we bench-test your machine before it is packaged and shipped. We also offer FREE SHIPPING! And, lastly, THERE IS NO SALES TAX WHEN YOU BUY THROUGH US.

Here are highlights of our featured plasma cutters:

ForceCut 40d Plasma Cutter with Continuous Pilot Arc

Longevity Forcecut 40d is a series 40AMP Dual Voltage unit that is capable of cutting up to 1/2″ thick steel–and it out-performs the leading brands. Includes 60amp TORCH UPGRADE! This machine weighs 25 lbs and can run off 110 or 220 volt, making it the ultimate in portability. The ForceCut 40d can cut any kind of metal including aluminum, stainless steel, and even copper. This is the most capable machine on the market for its retail price. It runs off Inverter technology and comes with most of the components needed for a complete set up. This unit is backed by an extensive top rated warranty for 5 years that covers parts and labor for this unit.

ForceCut 50d Plasma Cutter with Continuous Pilot Arc

This unit is a Series 50AMP Dual Voltage 110/220v machine capable of cutting up to 3/4″ Steel. It weighs only 25lbs and can run off 110 or 220 volt, and can cut any kind of metal including aluminum, stainless steel, and copper, as well The 50D runs off Inverter Technology, and INCLUDES FREE SHIPPING and 100% Continuous Pilot Arc!

Forcecut 50D ALSO INCLUDES:

* Main Unit
* Cutting Torch (10FT 60amp torch upgrade!)
* Earth Clamp (10FT)
* Water separator with Bracket (Air regulator built in!)
* Air Hose for water separator connection
* Longevity Consumables: 3 piece tips, 3 piece electrodes and 3 piece shield cup
* Includes an unattached 220v – 30amp 3 prong power plug This plasma cutter comes with most of the components needed for a complete set up. INCLUDES FREE SHIPPING PLUS 100% CONSTANT ARC. 5-YEAR WARRANTY. PRICED AT ONLY $649.99.

p>ForceCut 40i Plasma Cutter with Continuous Pilot Arc

This Series 40AMP machine is capable of cutting up to 3/4″ thick Steel. This unit weighs only 32 lbs and runs off 220v-1 phase voltage. Runs off Inverter technology, and comes complete with most of the components needed for a complete set up, including a 220v power plug, which you can change to suit your outlet. The ForceCut 40i is dependable; it does not have an internal air compressor built in. Any shop or home compressor no matter size will do!
5-YEAR WARRANTY. PRICED AT ONLY $699.99 AND INCLUDES FREE SHIPPING!

ForceCut 50i Plasma Cutter includes Continuous Pilot Arc

and is capable of cutting up to 1″ thick Steel. This unit weighs only 32 lbs and runs off 220v-1phase voltage. It can also cut any kind of metal including aluminum, stainless steel, and even copper. Runs off Inverter technology, and also comes with most of the components needed for a complete set up including a 30amp 220v plug. The unit does not have an air compressor built in, but that makes it more dependable. Any shop or home compressor, regardless of the size, will do.
5-YEAR WARRANTY. PRICED AT ONLY $799.99 AND INCLUDES FREE SHIPPING!

ForceCut 60i IGBT Plasma Cutter with Continuous Pilot Arc

Longevity ForceCut 60i Plasma Cutter is ideal for cutting up to 1 1/4″ thick steel. 220v Single Phase Operation, it compares to and surpasses all leading brands. This Plasma Cutter weighs in at only 45 lbs, and can cut any kind of metal including aluminum, stainless steel or even copper–it is the most capable IGBT Pilot ARC Unit on the market for its retail price. It runs off Inverter technology, and also includes most of the components needed for a complete set up!
5-YEAR WARRANTY. PRICED AT ONLY $899.99, INCLUDING FREE SHIPPING!
ForceCut 80i Plasma Cutter with Continuous Pilot Arc

Longevity ForceCut Series 80i IGBT Plasma Cutter is perfect for cutting up to 1 3/4″ thick steel. It has 220v Single Phase Operation and is the most capable IGBT Pilot ARC unit on the market for its retail price, surpassing all leading brands. The ForceCut 80i weighs only 45 lbs and can cut any kind of metal including aluminum, stainless steel, and even copper.

The Longevity ForceCut 80i Plasma Cutter runs off Inverter technology, and comes with most of the components needed for a complete set up, including a Cutting Torch, an Earth Clamp, an Air Regulator with Bracket, an Air Hose, as well as a stock of Consumables to get you started: 3 piece tips, 3 piece electrodes, 3 piece shield cups. A lot of extras for one low price.

Please check out some of NHProEquip’s multi-purpose machines if you are interested in a TIG welder as well as a plasma cutter for a very affordable price!

Pilot Arc Starting Technology

With the Longevity ForceCut 80i IGBT Plasma Cutter, you will be able to start and keep a continuous arc going without having to touch your workpiece. The arc will activate anywhere in the air including upside-down plasma cutting.

The ForceCut 80i is an amazing plasma cutter–feel free to check out the Longevity ForceCut 80i Manual to discover more information about this plasma cutter.

WELDMAX 205i MULTI-PURPOSE D/C TIG, PLASMA, ARC

WeldMax 205i Multi Purpose Plasma Cutter / Welder has the full capability of welding any kind of metal except for aluminum! This machine is priced for upgrade! Why purchase just the plasma cutter or the welder when for a little bit more, you can get a 200amp DC TIG welder, a 160amp DC stick welder, and a 40amp plasma cutter that will cut through every kind of metal including aluminum! This machine is the total package! This welder is designed for light weight industrial welding and cutting, and perfect for the home or shop fabricator! 5-YEAR WARRANTY. THIS PLASMA CUTTER IS ONLY $899.99 AND INCLUDES FREE SHIPPING!!

About the Author

Amy Carmosino is the Web Marketing Specialist for Clark Heintz Tools & Equipment.

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Tips on Tig Welding Aluminium to know How to Tig Weld Aluminium

TIG Welding Aluminium is the most versatile kind of welding on the planet. Manual gas tungsten arc welding is often considered the most difficult of all the welding processes commonly used in industry. Because the welder must maintain a short arc length, great care and skill are required to prevent contact between the electrode and the workpiece. Gas tungsten arc welding is most commonly used to weld stainless steel and nonferrous materials, such as aluminum and magnesium, but it can be applied to nearly all metals, with notable exceptions being lead and zinc.

Although virtually all metals can be TIG welded, the metal most frequently associated with the TIG welding process is aluminum, especially when we are talking about
Tig Welding Aluminium
. Many other processes, of course, can join aluminum, but in the lighter gauges the best process is TIG. The popularity of tig welding in automotive, hot rods, and chopper applications has brought TIG welding to a new popularity. TV shows like “Monster Garage” and “Orange County Choppers” have made it even more popular and cool too.

As described earlier TIG welding Aluminium is the most versatile kind of welding on the planet for professional welders, professional racing teams, as well as the auto enthusiast or hobbyist. Why? Because TIG welding is precise and can be used for welding any metal: Carbon and low alloy steels, stainless steels, nickel alloys, Aluminum. Magnesium, Titanium, Cobalt alloys, Copper alloys, Tungsten, Niobium, Molybdenum and Unobtanium. Tig welding aluminum is worth learning. I missed out on a good job back around 1982 because I couldn’t weld aluminum back then. Now I wonder what was so hard about it. It can be intimidating.I thing aluminum should be the first thing you learn when You are in training. If you dont have anything to compare tig welding aluminum to, you wont know its supposed to be hard.

Tips On Tig Welding Aluminium

1. 4043 filler rod is probably the best all around rod as far a crack sensitivity etc. IF you know exactly what aluminum you are welding and if you are going to anodize after welding then see the alcotec chart link below.

2. All things considered , 2% lanthanated is probably the best all around electrode…I still use 2% thoriated but there is some concern about radioactivity. I aint scared.

3. 50/50 argon/helium is worth it

4. For castings, preheat is your friend

5. 3 c’s clean, clean, clean

6. Not enough Argon from the torch is BAD…Too Much Argon from the torch is even worse.

The Things and Tips On Tig Welding Aluminium like above these things also should be remember, Get a cylinder of 50/50 argon/helium for use on Tig welding Aluminum. You will not regret this… sometimes you can even weld thicker aluminum with a smaller electrode. It also makes the aluminum puddle quicker and welds cleaner. So we discussed above in deeply
How To Tig Weld Aluminium
safely and well.

As we must know how to tig weld aluminium well, we must also know that there are different types of joints designed for TIG welding to join the aluminium perfectly:

Butt Joint – For light materials the square-edge butt joint is the easiest to prepare and can be welded without filler rod. It consists of “butting” two pieces of metal up against one another (no overlapping) and then welding along the seam between them.

Lap Joint – A lap joint is made by overlapping two pieces of metal and then welding the edge of the top piece to the bottom piece. The only special requirement for making a good lap weld is to have the pieces in close contact along the entire length of the joint.

Corner Joint – A corner joint consists of welding one piece of metal at a right angle to the edge of a second piece, thereby forming a corner.

T-joint – A T-joint is prepared by placing a piece of metal perpendicular to another in order to form a “T”. Then a weld is made along the seam on either side of the perpendicular piece. Filler rod is necessary to weld T-joints regardless of the thickness of the metal.

We have run test after test comparing pure , 2% thoriated, and zirconiated electrodes and all the joints were x-rayed. The 2% thoriated electrodes perform as well or better than the rest. We know people are steering away from thoriated electrodes because of the radioactive thorium they contain. If that scares you , use lanthanated electrodes. Sharpen up your pure electrodes and use them to pop balloons. They work ok for that. But for tig welding aluminum, We have not found anything better than the 2% thoriated.

Aluminium welding is trickier than steel welding. There is a fine line between no penetration and blowing holes. This is due to the wonderful combination of a low melting point and high heat conductivity.

tigweld

Tig welding aluminium is not something that you can just pick up and be master in 5 minutes. You must have the wast experience of the welding to be a master in welding stream.
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