Plasma Cutting Machines

Plasma Cutting Machines

Plasma cutting machines cut metal (thin or thick) using a plasma torch and often a plasma cutting table.

Manufacturers include Longevity, Plasmacam, Dynatorch, MSC, Retro Systems, Haco, ESAB, Blue Marlin, Cam, Arcraft, AKS Cutting, Torchmate, Hypermax and Bosj.

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Plasma Cutter Tutorial

Plasma Cutter Uses

Plasma cutting is a process that is used to cut steel and other metals using a plasma torch. In this process, an inert gas (or compressed air) is blown at high speed out of a nozzle; while an electrical arc is formed through that gas from the nozzle to the surface being cut, turning some of that gas to plasma.

The HF Contact type typically found in less expensive machines uses a high-frequency, high-voltage spark to ionise the air through the torch head and initiate an arc.

The Pilot Arc type uses a two stage approach to producing plasma. 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.

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.

Analog plasma cutters, typically requiring more than 2 kilowatts, use a heavy mains-frequency transformer. Inverter plasma cutters rectify the mains voltage into DC, which is fed into either an IGBT or a MOSFET.

Plasma gouging is a related process, typically performed on the same equipment as plasma cutting. Plasma gouging uses a different torch configuration, and a longer torch-to-workpiece distance, to blow away metal.

Plasma cutters have also been used in CNC (computer numerically controlled) machinery. Manufacturers build CNC cutting tables, some with the cutter built in to the table.

Plasma torches were once quite expensive, usually at least a $1,000. For this reason they were usually only found in professional welding shops and very well-stocked private garages and shops.

Plasma Cutting Machines Items of Interest Milwaukee 6190-20 15 Amp 14-Inch Metal Cutoff Machine The 6190-20 utilizes dry (a.k.a. "cold") cut technology which will cut on average three times faster than an abrasive machine and costs 1-1/2 times less to operate. The saw produces little to no sparks when cutting and leaves a virtually burr-free finish. The motor is a 15 amp, 4.8 max H.P. The base is a heavy-duty cast aluminum reinforced with a 1/4 in. steel plate. The vise and back fence is tool free. The horizontal D-handle provides optimum comfort whether the tool is on the ground or sitting on a bench. MIG TIG Plasma Cutter Arc Welding Cart with Tank Storage This heavy duty MIG welding cart features: 3 Shelves for easy access to supplies, 18" x 10.5" top deck, Holds 9 1/2"-Diameter tank, Industrial powder coating resists chips and rust, Built in cylinder rack and storage tray, Heavy duty casters; 2 fixed and two swivel, Cart measures 28"-L x 12"-W x 28"-H,100 lb. weight capacity Milwaukee 6370-21 13 Amp 8-Inch Metal Cutting Circular Saw This powerful 13 Amp metal cutting saw features innovative dry-cut technology that provides faster, cleaner, and more affordable metal cutting. It has 120 Volt AC with 3700 RPM no-load speed and an exclusive quick-release blade shield latch as well as sight-line and blade point-of-entry indicators. The blade diameter is 8 inches, and it has 13amps and a 90 degree cutting depth. It has a right-side blade location, and a wrench and a case included. 4 x 3ft Advanced 1.3a HDMI Cable, Supports well over 1080p exclusively designed for Close Hassle free Cable Connections to your Favorite Components including PS3, Denon, Harmon Kardon, Onkyo, or Sony Receivers, XBOX 360, LCD, and Plasma TV Monitors, Media Server/Computer, Blue-Ray or DVD Player "Package Include 4 - 3ft HDMI Cables" Connects any cable box, satellite box, DVD player, or other device that has an HDMI female port to another HDMI device (such as newer HD-TV's, or projectors). All our HDMI cables are purchased from manufacturers that are CERTIFIED by hdmi. org. Certification means that the manufacturer has submitted test results to HDMI and have received official HDMI certification as an Adopter. The latest revision for HDMI doubles the bandwidth of the original and has opened the door for a host of potential new advancements in Home Theater Audio/Video performance. New features such a "Deep Color," higher color gamut, and high resolution, multi-channel audio formats like Dolby True HD and DTS-HD Master Audio will make higher bandwidth demands than ever before. Equipment manufacturers are bringing out new devices to take advantage of these new features. Category 2 testing ensures that the standard set by this new requirements are adhered to. Be ready for what the future has in store with our Copartner HDMI 1.3a, Category 2 certified cables. These cables have been designed to meet the high bandwidth performance standards set by HDMI 1.3a and has passed stringent Category 2 testing. Copartner cables are constructed to the highest quality with full triple layer shielding from end to end, strong, solid wire welds and the highest quality materials including high purity copper, gold plated connectors and tin plated conduits. Brand new JG-100 plasma cutting consumable for cutter100&120 70pcs(12613) Rated Current: NO Input Voltage: NO Usage: plasma cutting Dimensions: NO Model Number: JG-100A welder: plasma cutting plasma cutting: brand new 100Amp Air plasma cutter consumables for cutter-100 120 Package including following: Electrode 30 PCS TIP 30 PCS SHIELD CUP 10 PCS TOTAL: 70 PCS 36 AMP AIR PLASMA DC INVERTER Welder Cutting Cutter Machine 8mm Thickness Hobart Airforce 500534 250ci Light Weight Plasma Cutter with Air Compressor Designed to cut up to 1/4" mild steel and powered by standard 115 VAC, the AirForce™ 250ci Plasma Cutter has a built-in air compressor and lightweight inverter power supply, making it the most convenient, totally portable cutting system available.Cuts faster than oxy/fuel. Cuts any conductive metal. 16.5 ft. (5m) torch &work clamp leads LT5000D Lotos LT5000D 50A Air Inverter Plasma Cutter Dual Voltage 110/220VAC 1/2" clean Cut (Special offer by this weekend) As one of the largest manufacturers of plasma cutting, tig/stick, arc (MMA) welding equipment in the world, Lotos Techonlogy is proud to offer an extensive selection of industrial plasma cutting machine, LT5000D. Lotos LT5000D is designed and constructed to withstand extensive use in rugged industrial and construction environments. It is perfect for any home project too. Lotos LT5000D is a 50A dual voltage 110/220vac Digital Inverter Plasma Cutter (50A). Using this portable plasma cutter is cheaper than Oxyacetylene after just a few cuts. Less cleaning, less maintenance, less noxious gases, less fire hazard, simply less overall work and a better, cleaner cut. The torch trigger can be moved for a custom fit. It can be used in finger or thumb positions. Torch head is low profile for tight spaces. High Frequency DC Plasma cuts thicker materials than standard DC plasma cutters. High Frequency Plasma cuts faster with less distortion in the work piece. You can see a demonstration of the product here: http://www.youtube.com/watch?v=XRw5wltOaI0 For aluminum cutting http://www.youtube.com/user/lotosteck?feature=mhum#p/a/u/1/_wHtPuu63ZY For more information, please check out our website at www.lotostechnology.com Welder's Handbook, RevisedHP1513: A Guide to Plasma Cutting, Oxyacetylene, ARC, MIG and TIG Welding Welders Handbook A Guide to Plasma Cutting, Oxyacetylene, ARC, MIG, and TIG Welding Welder's Handbook: A Complete Guide to MIG, TIG, Arc & Oxyacetylene Welding Hpbooks Hp1264 Welders Handbook, Rev. 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