What is the difference between a plasma cutting machine and a fiber laser cutting machine?

Fiber laser cutting, because the invisible beam replaces the traditional mechanical knife, the mechanical part of the laser head has no contact with the work, and it will not scratch the working surface during the work; the laser cutting speed is fast, the cutting is smooth and flat, generally not Subsequent processing is required; the heat affected zone is small. The plasma machine is a kind of thermal cutting device. Its working principle is to use a high-temperature plasma arc heat to partially melt the metal at the workpiece incision, and to remove the molten metal by the momentum of high-speed plasma to form a slit.

17 May 2019

By BG-Aimee

What is the difference between a plasma cutting machine and a fiber laser cutting machine?

1. The surface of the plasma cutting machine is rough, and the cutting thick plate has advantages, and the price is low.

2, laser cutting cutting surface is smooth, plasma is rough, need to send people to repair burrs. The laser cutting surface is smooth, and the compensation accuracy is relatively high and expensive. In terms of cost, plasma is about 1/3 cheaper than laser.

3, the shortcoming of plasma is the slit width, about 3MM. The most important component of the plasma is the power supply, which is equivalent to the laser of the laser cutting machine. The power consumption of the plasma is quite powerful. The common spare electrode protection nozzle is also quite expensive, especially the electrode punching is very expensive.

4. Plasma is often used for thick plate cutting, while fiber laser cutting machines are often used for thin plate cutting. Plasma cutting needs to be sent to burrs, while laser cutting can be molded at one time. No secondary processing is required.

Laser cutting machine and plasma cutting machine are distinguished in detail:

1. Laser cutting Compared with plasma cutting, laser cutting is much more precise, the heat affected zone is much smaller, and the slit is much smaller;

2. If you want precision cutting, you want small slits, small heat affected zone, and small deformation of the plate, it is recommended to choose laser cutting machine;

3. Plasma cutting uses compressed air as the working gas, high-temperature and high-speed plasma arc as the heat source, partially melts the cut metal, and simultaneously blows away the molten metal with high-speed airflow to form a cut;

4. The heat-affected zone of plasma cutting is relatively large, and the slit is relatively wide. It is not suitable for cutting thin plates because the plates will be deformed by heat.

5. The price of laser cutting machine is more expensive than plasma cutting machine.

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Jinan Bogong Machinery Co., Ltd.