Last Updated on 25/05/2024 by Vial SH

Metal fiber laser cutting machine parameter selection guide

About metal fiber laser cutting machine parameter selection guide. Today Normaltan China will discuss with you the above topics. Laser-cutting machines are being used more and more in the processing industry. It has the characteristics of high precision and high efficiency. Choosing the appropriate machine parameters during the cutting process will help us accurately control the cutting effect of the metal laser cutting machine..

Metal fiber laser cutting machine parameter selection guide
  1. Auxiliary gas pressure

The role of the auxiliary gas is to remove the slag during the cutting process. Including oxygen, nitrogen, inert gases, etc.

Inert gas or compressed air is used in the laser cutting process of aluminum alloy and non-metal. Most other metal materials use oxygen to improve cutting efficiency.

If the pressure of the auxiliary gas is too high, the melt ability of laser cutting will be weak and the cutting surface will be rough. Otherwise, the melt cannot be removed and the cutting effect will still be affected. Before cutting the workpiece, the  equipment operator should adjust the appropriate auxiliary gas pressure to ensure the cutting quality.

  1. Laser power of laser cutting machine

The laser power of the metal fiber laser cutting machine determines the cutting speed, kerf width & thickness of the workpiece. For materials with good thermal conductivity, high melting points, and high surface reflectivity, a high-power equipment should be selected. Avoid unsatisfactory processing results due to slag hanging or over-burning.

  1. Focus position of metal laser cutting machine

The distance from the laser focus to the workpiece surface can affect the roughness, slope, and width of the cutting surface and even the adhesion of slag.

If the focus position is too far forward, too much heat will be absorbed by the lower part of the workpiece. At this time, the molten material will adhere to the lower surface of the workpiece. If the focus position is too far back, the lower end will absorb too little heat.And then the material in the cutting seam will have residues attached to the lower surface of the cutting surface.

Laser-cutting machine operators should ensure that the focus position is slightly below or on the surface of the workpiece. When laser cutting carbon steel, you should ensure that the focus is on the surface of the sheet. For laser cutting stainless steel, the focal point should be about 1/2 of the thickness of the sheet.

  1. Cutting speed

During the metal laser cutting process, the ideal cutting speed will make the lines of the cutting surface smooth and there will be no slag. If the cutting speed is too low, the kerf width of the workpiece will increase.The cutting quality and production efficiency will be lower. If the cutting speed is too high, the workpiece material will be incompletely cut due to insufficient heat input.The resulting in the molten material cannot be blown off in time.

To sum up, if you still have any questions about the “Guidelines for Selection of Metal Fiber Laser Cutting Machine Parameters”, please feel free to contact the Normaltan China team (sales@normaltancn.com). Normaltan China will serve you wholeheartedly.