Why is my plasma cutter sputtering?

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Why is my plasma cutter sputtering?

Why is my plasma cutter sputtering?

A common plasma nozzle problem occurs when the orifice becomes blocked, sometimes due to molten material coming into contact with the tip and then cooling and solidifying, disrupting the plasma flow. An off-center current will constantly wear the orifice.

What air pressure is needed for plasma cutting?

90-120 PSI

Why does my plasma cutter keep stopping?

The cutter nozzle has a second set of channels. These channels release a constant flow of shielding gas around the cutting area. Symptoms are usually that the plasma cutter will not start an arc on the metal, or the arc will start and stop erratically while you are cutting.

Why does my plasma cutter cut at an angle?

Positive Bevel (Excessive) This problem can be caused by a worn nozzle, high torch separation (arc voltage), inadequate amperage, or excessive speed. Incorrect cutting direction around the part can also cause an excessive positive bevel angle.

High definition plasma produces less bevel than a standard cutter. In the process of creating a plasma arc to cut the gas a vortex must be formed. That is why an arc will have a direction of rotation. This will make one side of the cut more beveled than the other.

How can I improve the quality of my plasma cutting?

Improve metal cutting quality with these plasma cutting tips

  1. Positive cutting angle. More material was removed from the top of the cut surface than from the bottom.
  2. Negative cutting angle. More material was removed from the bottom of the cut surface than from the top.
  3. Top edge rounding.
  4. High speed slag.
  5. Slag at low speed.
  6. Top splash

How long do consumables last on a plasma cutter?

2 to 4 days

Which plasma gas gives the best results for cutting mild steel?


What do you wear when using a plasma cutter?

Safety glasses with yellow lenses are recommended to block potentially harmful blue light, and a secondary shield between the operator and the cutting torch, perhaps a welding curtain or a dark plastic shield, could shade the operator from the radiation more harmful

Do you need eye protection when using a plasma cutter?

One of the many purposes of wearing goggles or safety glasses when plasma cutting is to protect your eyes from radiation and UV rays. Proper plasma safety requires protecting the eyes, face, and exposed skin. You must protect your eyes and face with suitable plasma cutting goggles, goggles and/or helmet.

Need a welding mask for plasma cutting? Technically, no, you don't. Many people usually wear safety glasses when it comes to plasma cutting or even safety glasses that darken. However, if the torch you are using has enough amperage, a welding mask would be ideal for safety reasons.

Do you need a compressor for a plasma cutter?

One of the most important requirements for a quality cut when using a plasma cutter is sufficient air pressure to remove the plasma from the cut. This means you need a quality air compressor and a quality plasma cutter, both inside the same cabinet.

What is the best plasma cutter under $500?

Plasma Cutters Under $500 With Reviews

  1. YesWelder CUT-55DS plasma cutting machine. Dual 120/240 volt input.
  2. Lotos LTP5000D plasma cutter. 120/240 volt dual input power.
  3. Eastwood Versa Cut 20 plasma cutter.
  4. Plasma cutting machine Forney Easy Weld 20 P.
  5. Primeweld CUT50D plasma cutter.
  6. Super Deal DC Inverter Plasma Cutter (CUT 50).

What size compressor do I need for a plasma cutter?

The general rule of thumb for buying a compressor is the bigger the better. Manufacturers recommend that you purchase a compressor that has a capacity of approximately 1.5 times the CFM (cubic feet per minute) of your plasma cutter. For example, the Hypertherm Powermax30 XP requires 4 CFM at 80 PSI.

What is needed for plasma cutting?

The main consumable parts required for plasma arc generation are the electrode, swirl ring and nozzle. An additional guard cap can be used to further improve the quality of the cut, and all parts are held together by inner and outer retaining caps.

Can a plasma cutter cut wood?

Any thickness from 30 gauge to 1 inch can be cut, depending on the plasma cutter used. Plastics and wood are not electrical conductors and cannot be cut with plasma.

A MIG welder can be used as a plasma cutter. You will need an air compressor and a carbon electrode instead of wire along with a number of small items.

What thickness can the plasma cutter cut?

about 1 inch

What is a disadvantage of plasma cutting?

Although it limits ambient heat, plasma cutting is noisy and generates excess fumes. Make sure all plasma cutting is done in an open and ventilated workshop. Plasma is also famous for creating very bright flashes while the cut is in progress.

Why are plasma cutters so expensive?

resulting in a very pleasant cutting quality at very high speeds and with a very low operating cost (long service life of consumable parts). With the latest inverter based power technology… these systems can be small, reliable and can cut with exceptional quality, ease and speed. There…that's why plasma can be expensive!

Can a plasma cutter cut glass?

Can the plasma cutter cut glass? Like wood, glass is not a conductor of electricity and therefore cannot be cut with a plasma cutter. Use a thin sheet of metal in front of the glass to create an arc that can melt through the glass!

What thickness of metal can a 50 amp plasma cutter cut?


The intensely hot and powerful plasma arc can quickly cut through gloves and skin. To avoid injury, do not pick up the material near the cutting path. The pilot arc can also cause burns, so stay away from the torch tip when pulling the trigger.

Can a plasma cutter cut granite?

We can cut metal, stone, foam, copper, brass, graphite compounds, rubber, granite, plastic and even paper using our waterjet cutting equipment.

Is laser cutting cheaper than water jet?

The operating cost of plasma would again be the lowest and is typically estimated at about $15 an hour. The cost of the laser would be slightly higher, usually estimated at about $20 an hour. Water jetting is usually considered the most expensive, usually estimated at around $30 an hour.

What is the difference between laser cutting and plasma cutting?

Laser cutting is a precise thermal cutting process that uses a focused beam of light. Plasma cutting, on the other hand, uses a mixture of gases to form a cut. With our high definition plasma cutting equipment, we can perform bevel cuts on parts as needed.

Can a plasma cut a diamond?

The diamond plate cuts well with Plasma. only the diamonds face down as explained above.

Will a plasma cutter cut hardened steel?

-Air plasma cutting will create a nitride hardened edge on the steel between two. 006″ and . 010" thick. A few passes with a grinder can remove it before machining.

A high-precision system can achieve cutting accuracy of ±0.01 to 0.05 inches and cutting widths as narrow as 0.05 inches. Consumables can last from 1,300 to more than 3,700 arc starts, and the systems can cut any 10-gauge conductive material up to 2 inches.

What type of gas is used for plasma cutting?

argon gas

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