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How to solve the problem of burrs in laser cutting of thin plates

The appearance of burrs in laser cutting of thin plates is a very common issue. This is usually not caused by a single factor but is the result of the combined effect of multiple factors such as equipment, parameters, materials, and gases. To systematically solve this problem, we can follow a tro... Read More

Laser cutting machine does not produce light, how to check

The fiber laser cutting machine does not emit light and requires systematic, safe and efficient investigation. Please strictly abide by the safety regulations, and be sure to operate after the equipment is completely powered off and the capacitor has been discharged, especially when checking the ... Read More

What is the reason for sticking slag and blocking the nozzle during laser cutting?

It is a common problem to block the nozzle with slag when laser cutting, which is usually caused by a combination of many factors. The following are the main reasons and systematic analysis: Core reason analysis 1. Auxiliary gas problem Insufficient air pressure: The gas pressure is not enough t... Read More

When to choose negative focus for laser cutting

The “negative focus” (also known as “lower focus” or “focus inside the plate”) of the laser cutting machine is the 1 important process to adjust the laser focus position. In simple terms, negative focus refers to setting the focus of the laser below the surface... Read More

In laser cutting, how can piercing and blowholes be addressed?

Piercing and blowholes are very common issues in laser cutting, representing key challenges that affect cut quality, processing efficiency, and operational safety. First, let’s clarify two concepts: Piercing: Refers to the process of using a laser to create an initial hole in the material before ... Read More

Principle of Laser-Oxyfuel Hybrid Cutting Machine

Laser flame composite cutting usually refers to “laser oxygen cutting”, which is one of the main laser cutting processes (the other two are laser melting cutting and laser vaporization cutting). It does not mean “laser-generated flame,” but rather a hybrid process that uses a laser as... Read More

After a laser cutting machine malfunctions, how do you locate the focal point?

After a laser cutting machine malfunctions, returning to the zero point (the machine coordinate system origin) is a critical step in restoring normal operation. Please be sure to follow the principle of safety first and operate with caution. The following are the detailed steps and handling metho... Read More

Reasons for slag hanging at the bottom when oxygen c utting carbon steel

When cutting carbon steel with oxygen, slag hangs down at the bottom (the lower edge of the cutting surface). This is a very common phenomenon, professionally known as “slag hanging” or “slag adhesion”. The main constituents of this slag are high-melting-point oxides and i... Read More

A Laser Maintenance Reminder Triggered by Cooling Water Quality Issues

Recently, a customer’s 6,000-watt fiber laser suddenly developed a water leakage fault, forcing it to shut down. Following an emergency disassembly by the technical team, it was discovered that the interior of the fiber rod was heavily encrusted with white scale and verdigris. This confirmed that... Read More

Cut 20mm carbon steel, the whole cutting seam is inclined to the right

6000 watt fiber laser, cutting 20mm carbon steel, the overall kerf is tilted to the right, and oxygen is used as an auxiliary gas. The following are the troubleshooting and solutions for the current situation. Combined with the specific situation, especially the power of 6000 watts, the core of t... Read More

Laser cutting bright surface skills

Using fiber laser cutting machine to cut bright surface materials (such as mirror stainless steel, high-gloss aluminum, copper, brass, etc.) has fundamental differences and great advantages with the use of traditional CO₂ laser, but it also requires special skills to obtain the best results and e... Read More

How to solve the problem of thick plate perforation with residue affecting cutting

When laser cutting thick plates, the residue (slag) generated by perforation affects the cutting quality is a common but optimizable problem. These residues are usually caused by improper energy control during the perforation process, mismatch of gas parameters or unreasonable process parameters.... Read More
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