What is the materials and its feature for duct sheet:
There are many materials used as ventilation ducts, the following are commonly used:
1. Ordinary thin steel plate
It has good processing properties and structural strength, but its surface is easy to rust, so it should be painted for anti-corrosion treatment.
2. Galvanized sheet steel
It is galvanized by ordinary thin steel plate. Due to the galvanized surface, it can play an anti-rust role and is generally used to make air pipes in humid environments without acid fog.
3. Aluminum and aluminum alloy plates
Good processing performance, corrosion resistance. Friction is not easy to produce sparks, often used in ventilation systems with explosion-proof requirements.
4. Stainless steel plate
It has the ability to resist rust and acid, and is often used to make exhaust pipes containing moisture and acid and ventilation systems requiring corrosion resistance in chemical environment.
5. Plastic composite steel plate.
Spray a 0.2~0.4mm thick plastic layer on the surface of the ordinary thin steel plate. It is commonly used in air conditioning systems with high dust requirements and air ducts of corrosion resistant systems at temperatures from -10 to 70 ° C.
The thickness of steel plate commonly used in ventilation engineering is 0.5~4mm.
6. Non-metallic materials.
Duct sheet CNC plasma cutting machine rely on CNC plasma cutting way, it is one of the best duct sheet cutting ways, and duct sheet CNC plasma cutting machine has following features:
Duct sheet CNC plasma cutting machine MS-B introduction:
1. Professional in metal sheet cutting, can cut nearly all kinds of metallic duct sheet as above.
2.Table type, linear guide and high precision rack pinion, stable and precise.
3. Divided CNC design, convenient operate, safe and environmental; duct sheet loading and weight does not affect CNC machine operation.
4. Can enter un-fold CAD 2D graphics of ventilation ducts, also accept CAM softwares, say, Fast CAM, sheet CAM, smartnest, starCAM etc.
5. Auto nesting, kinds of big and small parts can be arranged on one sheet, greatly save duct sheet materials, software have mirror, common cutting etc functions.
6. One machine has multiple applications, suitable for the duct sheet, industry sheet cutting, advertising word cutting, advertising crafts cutting etc.


Duct sheet CNC plasma cutting machine MS-B General specification:
| cnc plasma cutting machine MS-B | |
| Effective Cutting Width | 1.5m | 
| Effective Cutting Length | 3.0m | 
| Cutting Mode | Plasma | 
| Cutting Material | Carbon Stainless Alloy steel, Aluminium, Zinc etc | 
| Plasma Cutting Thickness | Depending on plasma generator | 
| Cutting Speed | 0-6500mm per minute | 
| Optional item | LGK-100IGBT, LGK-120IGBT, LGK-63IGBT, Hypertherm powermax 85 etc | 
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