Metal Sheet CNC cutting machine--CNC plasma and flame cutting machine is for metal sheet cutting
Applicable Metal Sheets Materials:
CNC plasma and CNC flame cutting are designed for different metal types based on their cutting principles. Here's a breakdown of their applicable materials:
1. CNC Plasma Cutting
Plasma cutting uses high-temperature plasma to melt and blow away metal. It is ideal for conductive metals and excels at thin to medium thicknesses.
Carbon steel: Thickness range of 0.5mm–50mm (depends on plasma power).
Stainless steel: Thickness range of 0.5mm–30mm (prevents oxidation with inert gas).
Aluminum: Thickness range of 1mm–25mm (requires high-power plasma for heat conductivity).
Copper & brass: Thickness range of 1mm–15mm (challenging due to high thermal conductivity, needs specialized nozzles).
Galvanized steel & other coated metals: Effective for removing coatings during cutting.
2. CNC Flame Cutting Machine
Flame cutting relies on oxy-fuel combustion to melt metal, requiring the material to be ferrous (iron-containing) and support combustion.
Carbon steel: Thickness range of 6mm–200mm (optimal for thick plates, cost-effective).
Low-alloy steel: Thickness range of 10mm–150mm (common in heavy industry).
Cast iron: Limited application (brittle material, prone to cracking; requires preheating).
Key Note: Flame cutting is unsuitable for non-ferrous metals (e.g., aluminum, copper) as they do not ignite in oxygen. Plasma cutting is more versatile for conductive metals but has higher operational costs than flame cutting for thick carbon steel.
CNC plasma and flame cutting machine MS-G is gantry type and most efficient metal sheet CNC cutting machine is widely applied in the metal sheet cutting like below:
Metal Sheet CNC cutting machine--CNC plasma and flame cutting machine MS-G introduction:
1. Plasma cutting or and flame cutting, thin and thick sheet both available to cut.
2. The price and configuration various.
3. Heavy rail, wide and thick beam, machine stability is extremely high.
4. Various configurations for selection: plasma cutting, and or flame cnc cutting, strip /straight-line cutting, and multi-torch CNC cutting machine, adding metal pipe cutting etc.
5. High speed and high efficiency, sustain multiple cutting torches at the same time working.....
Metal Sheet CNC cutting machine--CNC plasma and flame cutting machine MS-G General specification:
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Gantry cnc plasma and flame cutting machine MS-G |
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Beam Width (X axis) |
3.0m-8.0m |
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Rail Length (Y axis) |
6m(can be lengthened) |
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Effective Cutting Width |
3.0m(3.2m for single torch) |
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Effective Cutting Length |
4.0m |
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Cutting Mode |
Flame and/or Plasma |
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Cutting Material |
Carbon Stainless Alloy steel, Aluminium, Zinc etc |
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Flame Cutting Thickness |
6-200mm |
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Plasma Cutting Thickness |
Depending on plasma generator |
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Cutting Speed |
0-6500mm per minute |
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Optional item |
Extra plasma/flame cutting head, strip cutting function, pipe cutting unit etc |
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LGK-120IGBT, LGK-200IGBT, LGK-200HD, 300IGBT, 300HD, Hypertherm MAXPRO200... |
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How does Plasma or flame Cutting the metal sheet?
CNC plasma cutting uses high-temperature plasma arcs to melt and remove metal. Here's the step-by-step process:
Plasma Arc Generation: A high-voltage electric arc ionizes a gas (e.g., compressed air, nitrogen) passing through a nozzle, creating a superheated plasma jet (17,700–21,000°C).
Material Melting: The plasma jet melts the metal sheet at the cutting point.
Ejection of Molten Metal: High-velocity plasma flow blows away the molten metal, forming a precise, narrow cut.
CNC flame cutting (oxy-fuel cutting) relies on combustion of ferrous metals with oxygen. Here's its mechanism:
Preheating: A fuel gas (e.g., acetylene, propane) mixes with oxygen to create a preheating flame, raising the metal temperature to ~1,800°C (ignition point for iron).
Oxidation Reaction: A high-pressure oxygen stream is directed at the preheated area, causing rapid oxidation (rusting) of iron into molten slag.
Slag Removal: The oxygen jet blows away the slag, cutting through the metal.
Metal Sheet CNC cutting ways Including:
1. Shearing: This involves using a machine with sharp blades to cut the metal along a straight line. It is a widely used method for cutting sheet metal and is available in different sizes depending on the thickness of the metal being cut.
2. Laser cutting: This involves using a laser to cut the sheet metal. It is a highly precise method that cuts the metal without any physical contact. It requires a laser cutting machine that can be expensive, but the results are highly accurate.
3. Waterjet cutting: This involves using a high-pressure jet of water mixed with an abrasive material to cut the sheet metal. It is a versatile method that can cut through a range of materials and thicknesses.
4. Plasma cutting: This involves using a machine that generates a plasma torch to cut the metal. It is a quick and efficient method that can cut through thick sheets of metal.
5. CNC routing: This involves using a computer-controlled cutting machine to cut the metal. It is a method that requires a computer-aided design (CAD) file that the machine follows to create the desired shape.
6. Oxyfuel cutting: oxygen + fuel gas cutting.
Each of these methods has its advantages and disadvantages, and the choice of the cutting method depends on factors such as the metal type, thickness, complexity of the cut, and budget.
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