Question about Miller 903777012 SPECTRUM 2050 PLASMA CUTTER

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Plasma cutter Hi, I have new plasma cutter 40 Am, In test it did cut up to 10 mm easily but now some time it is not cutting 10 mm mild steel. It is still ok on 6mm steel with full current. I did replace electrode and tip.I remember in test one time, I forget turn on air compressor and did try to cut. I think that is why I have this fault now. Please help me out. Regards from Muhammad.

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In order to cut the thicker steel just boost the air pressure this will allow you to thourghly blow through the steel. just remember not to turn it up too much. this should do the trick. please rate

Posted on Sep 15, 2008

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I purchased a I60 Plasma cutter and I don't have an instructions manual. Can I download one?


Plasma Cutting Guide - Plasma Cutter Tips - The Eastwood ...

www.eastwood.com/plasma-cutting-guide-plasma-cutter-tips-plasma-cutt...
Check out Plasma Cutting Guide at Eastwood tech library to know about ... hasapproximately 25 amps of output, a 1/2" machine has a 50-60-amp output, while ...When buying a plasma cutter, the manufacturer should provide cutting .... Finally, follow all safety tips and guidelines that are detailed in your instruction manual.

How To Select And Operate A Hand-Held Plasma Cutter ...

https://www.millerwelds.com/.../how-to-select-and-operate-a-hand-held-...
The actual process of operating a hand-held air plasma cutter unit is relatively .... If you only have 115V primary service, don't worry. ... 50 or 60 Hz. This means you can plug this plasma cutter in anywhere in the world. ... If you opt to purchase such a unit, position it as far away from the particle ... Plasma Cutting Roller Guide.

Best Plasma Cutter Reviews 2015 - AIR TOOL GUY


Dec 27, 2015 | Welding Tools

1 Answer

Spectrum 2050 plasma cutter . Cutter blows air and stops when trigger is pulled no pilot arc or any cutting when trig is released air flows again and stop after 10 sec new tips was working the day...


Check compressed air pressure is in limits otherwise unit will cut out. Try adjusting the pressure up. also make sure the supply pressure is correct as it may not be your plasma cutter at fault.

Jul 30, 2010 | Miller 903777012 SPECTRUM 2050 PLASMA...

1 Answer

I have a cheap chinese plasmam cutter a giant cut


Internal componet failure, return the machine for repair. Who did you purchase it from?

Jun 06, 2010 | Inverter Welding Tools

1 Answer

I can cut for about 4 min. then Cup Error


look at your duty cycle 40 % duty cycle is 4 min 10 min sraight is minimum 100%, but good machines weld for 3 or 4 shifts till they get turned off


my 2 cents

Feb 25, 2010 | Miller SPECTRUM 625 SPECTRUM PLASMA CUTTER...

1 Answer

When cutting 40mm mild steel with oxy/propane is it recommended to heat the plate before hand,and would a 1/16 nozzle be sufficient?


No heating the plate before cutting is never recommended and a 1/16 nozzle is small for cutting thicker steel, My recomendation is to get the next to largest tip for your torch and use that for most of your cutting needs as for thinner material you just keep the settings turned down and for thicker you have the capabilities to increase you gasses to addiquitly cut the thicker material. Hope This Helps Don

Dec 03, 2009 | Welding Tools

1 Answer

I cannot get a good edge when cutting its very serated, and when it arcs I can only cut for a very short time befor it stops cutting. I am cutting steel 1.6 mm thick using 4 bars of air and around 80 amps...


ensure you have a good ground connection.

try setting your machine to a lower setting for sheet metal.

approx. 25 amps, and about 2 to 2.5 bar

finally movement is everything, smooth and steady.

settings vary from machine to machine, good luck

Oct 05, 2009 | Inverter Welding Tools

1 Answer

Lotos cut 40 plasma cutter, not firing


Test all the mosfets, good chance one or more are failed.

Jul 28, 2009 | A & A Manufacturing Ramsond 40D Plasma...

1 Answer

No Arc on a Cut 40 Plasma cutter


Check your consumbales to be sure they are tight in the torch head. Check your ground be sure it's good and connected to the pc you are cutting. Make sure you are running air at 65 to 70 psi as it exits the torch. Email me if you have any other questions.

Jul 14, 2009 | A & A Manufacturing Ramsond 40D Plasma...

2 Answers

Plasma cutters Question


There are a few things about plasma cutting safety that are different from general welding safety tips This short list of plasma cutter safety tips is geared toward light duty plasma cutting using compressed air not large industrial units that use gas mixtures and water cutting tables. Electric Shock Can Kill - Operating a plasma cutter completes an electric circuit between the torch and the workpiece. The workpiece and anything touching the workpiece are part of the electrical circuit. - Never touch the torch body, workpiece or the water in a water table when the plasma system is operating. Voltages & Currents - Plasma cutter output voltages are much greater than welding voltages, usually 100-200 volts. Precautionary Measures - Do not pick up the workpiece, including the waste cutoff, while you cut. Leave the workpiece in place on the workbench with the work cable attached during the cutting process. - During plasma cutting operations do not move the work clamp. Wear insulated gloves and boots, and keep your body and clothing dry. - Do not stand, sit or lie on or otherwise touch any wet surface when using the plasma cutter system. - Insulate yourself from work and ground using dry insulating mats or covers big enough to prevent any physical contact with the work or ground. If you must work in or near a damp area, use extreme caution. Work Cable - Ensure metal-to-metal contact between work cable and workpiece or work table. - Work cable clamp should make contact with clean metal free of rust, dirt, painted surfaces, etc. - Do not attach work cable to the piece that will fall away when the cut is complete Plasma cutter Arc Rays Plasma cutter arc rays produce intense visible and invisible (ultraviolet and infrared) rays that can burn eyes and skin. Protective Clothing - Guantlet gloves, safety shoes and hat. - Flame-retardant clothing to cover all exposed areas. - Cuffless trousers to prevent entry of sparks and slag. - Remove combustibles, such as a butane lighter or matches, from your pockets before cutting. Noise Levels of Plasma Arc Cutting - Plasma arc cutting systems can generate noise levels in excess of 120 dB during high-amperage cutting operations. - Ear protection should be used when operating or working near plasma arc cutting operations. Toxic Fumes & Gases Plasma arc cutting can produce toxic fumes and gases that deplete oxygen and cause serious injury. - Keep the cutting area well ventilated or use an approved air-supplied respirator. - Do not cut in locations near degreasing, cleaning or spraying operations. The vapors from certain chlorinated solvents decompose to form phosgene gas when exposed to ultraviolet radiation. Pacemakers & Hearing Aids - Pacemaker and hearing aid operation can be affected by magnetic fields from high currents. Pacemaker and hearing aid wearers should consult a doctor before going near any plasma arc cutting and gouging operations Overall Plasma Safety - The plasma arc cutting process can be very safe. - By paying attention to safety standards and correctly setting up and operating the system, plasma arc cutting poses no more a threat than most welding processes.

Aug 27, 2008 | Miller Spectrum 375 Cutmate Plasma Cutter...

1 Answer

Plasma cutters support


Plasma Arc cutting is an excellent choice for most cutting applications but it is particularly well suited for applications where speed and excellent cut quality are important. Because of the intense heat of the plasma arc – around 40,000° F compared to 5,700° F, with gases used with Oxy-Fuel torches – the cut is clean with little or no dross.

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