More and more companies are starting to use laser-cut round holes due to the flexibility and efficiency of laser technology. A 500W fiber laser cutting machine can operate at a speed of 90 meters per minute, which is sufficient for high-speed operations in many sheet metal processing plants. Additionally, the edges of the holes produced by laser cutting are smoother, and the diameter of the hole can be adjusted infinitely to meet the diverse needs of manufacturers.
However, cutting circular holes with a laser isn't as simple as it might seem—it requires some expertise and proper settings. The key to successful laser processing lies in the correct equipment parameters, as shown in the image below.
**Laser Cutting Machine Applications in the Steel Structure Industry:**
1. **Precise and Fast Assembly:** Laser cutting machines can cut and process various patterns based on design specifications, ensuring accurate and quick assembly of steel structures. This makes them ideal for different environments where precise parts are needed.
2. **High Efficiency and Automation:** Steel structures often use all-steel materials, and laser cutting machines allow full automation. They can handle multiple cutting torches simultaneously, enabling multi-part cutting at once—perfect for large-scale production.
3. **Versatile Material Compatibility:** Laser cutting machines can process a wide range of materials, including carbon structural steel, low-alloy high-strength steel, and special-purpose steels. This versatility makes them suitable for various steel structure applications, which are designed to withstand and transmit loads through connections between steel plates and profiles.
**Let’s hear from a laser engineer about common issues when cutting holes and how to avoid them.**
**Inappropriate Air Pressure:**
During the cutting process, if the air pressure is too low, it can cause charring or edge scraping. On the other hand, excessive pressure may lead to explosions. Finding the right balance is crucial, and this requires experience in adjusting both the machine and the process to achieve clean, well-formed holes.
**Holes That Are Too Small:**
For optimal results, the ratio of the hole diameter to the material thickness should ideally be 1:1. This ensures better quality and easier cutting. If the laser power is insufficient, small holes may become irregular or even break during the process.
**Incorrect Servo Motor Parameters:**
Irregular or elliptical holes can sometimes be caused by misalignment between the X and Y axes. This is often due to improper servo motor settings. Correcting these parameters is essential for maintaining the quality of the cut.
**Guide Rail and Lead Screw Accuracy Errors:**
Even if the servo motor is properly set, inaccuracies in the guide rail or lead screw can affect the precision of the holes. These components are critical, and poor manufacturing quality can lead to subpar performance. Some smaller manufacturers may claim high precision, but in reality, the actual cutting quality may not meet expectations. Therefore, choosing a reputable and high-quality laser cutting machine is essential.
All these factors play a role in determining whether the cut holes meet the required standards in terms of accuracy and speed. This helps ensure that the laser cutting machine purchased is reliable and capable of delivering high-quality results. When purchasing a laser cutting machine, customers should be informed and careful to avoid being misled.
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