How thick materials can laser cutting cut and what is the accuracy- Beam laser

Author: admin Date: 09:09:01, November 2, 2022 Hits: 310

How thick materials can laser cutting cut and what is the accuracy?

Laser cutting uses a high-power density laser beam to irradiate the material to be cut, rapidly heating the material to the evaporation temperature and evaporating to form holes. When the beam of light moves towards the material, the continuous terrain of the hole becomes narrow in width (e.g. approximately 0.1mm). Cut the seams to complete the cutting of the material. The following is a brief explanation of the cutting thickness of different laser cutting machines.

1. The current cutting capacity of laser cutting machines in the industry:

Carbon steel is 36mm (with good steel plate quality and a speed of up to 650mm/min). If the 36mm steel plate is made of high-quality materials, the machine performance is good, the graphics are not complex, and the cutting quality is still very good. The key is that the speed is not fast, using a plasma cutting machine or flame cutting machine is more reasonable. Stainless steel is 25mm (when high-pressure nitrogen gas is used as an auxiliary gas, the speed is about 400mm/min); However, the usual target for domestic users is laser cutting, with low-carbon steel less than 25mm and stainless steel 16mm or lower;

2. Maximum stroke of laser cutting machine:

There are currently two types of laser metal cutting machines: one is a desktop, with a general effective cutting range of 1.5 * 3 m2 * 4 m;

Another type is a gantry laser cutting machine, which has an effective cutting range. The effective cutting width can be 2-6 meters and the length can be several tens of meters. It has the same structure as flame cutting machines, flame cutting machines, and plasma cutting machines.

3. Speed and accuracy:

If the main cutting plate is less than 6mm, it is recommended to purchase a desktop laser cutting machine that is faster and more accurate than the gantry type; If the material to be cut is mostly 3mm or more and the product size is large, it is recommended to purchase a gantry type.

If the cutting accuracy is poor, how should we solve it?

1. The thickness of the cutting material exceeds the standard. Usually, the thickness of the sheet that can be cut by a metal laser cutting machine is less than 12 thicknesses, and the thinner the sheet, the easier it is to cut.

The quality is also better. If the plate is too thick, the laser cutting machine will be more difficult to cut, and the machining accuracy will be inaccurate while ensuring cutting, thus determining the thickness coefficient of the plate.

2. The laser output power does not meet the standard. When the laser cutting machine is running and debugging, it is necessary to ensure that the laser output power meets the standard. Usually, the higher the output power of the laser, the better the cutting quality on boards of the same thickness.

3. Roughness of slices. Usually, the flatter the surface of the cutting material, the better the cutting quality.

4. The focus position is not accurate. If the focus of the laser cutting machine is not aligned, it will directly affect the cutting accuracy, so calibration should be carried out before operation.

5. Processing speed. The cutting speed of a laser cutting machine directly affects the machining accuracy. Therefore, before running, the cutting speed and material coordination should be optimal.