As more and more companies begin to adopt laser-cut round holes, they are drawn by the flexibility and efficiency of laser processing. A 500W fiber laser cutting machine can operate at a speed of up to 90 meters per minute, which is well-suited for the high-speed requirements of many sheet metal processing plants. Additionally, the edges of the round holes produced by laser cutting are smoother, and the diameter can be adjusted infinitely to meet the diverse needs of manufacturers.
However, cutting precise circular holes with a laser isn't as straightforward as it might seem—it requires some expertise and experience.
**Laser Cutting Machine Applications in the Steel Structure Industry:**
1. **Accurate and Rapid Assembly:** Laser cutting machines can process various patterns according to design specifications, enabling accurate and fast assembly of steel structures. This ensures that parts meet the requirements of different environments.
2. **High Efficiency and Automation:** Steel structures often use all-steel materials, and the laser cutting machine can automate the entire process. With multiple cutting torches, it can simultaneously cut multiple parts, making it ideal for large-scale production.
3. **Versatile Material Compatibility:** The steel used in steel structures includes carbon structural steel, low-alloy high-strength steel, and special-purpose steel. Laser cutting machines can handle a wide range of metals, offering a broad application scope and high-quality results. A steel structure is defined as a framework made by connecting steel plates or profiles through joints, designed to withstand and transmit loads.
**Let’s hear from a laser engineer on common issues when cutting holes and how to avoid them:**
**Inappropriate Blowing Air Pressure:**
During the cutting process, if the air pressure is too low, it may cause edge burning or charring. On the other hand, excessive pressure can lead to explosions. It's crucial to find the right balance between the cutting parameters and the machine settings, using experience to determine the optimal air pressure for cleaner, more complete round holes.
**Holes That Are Too Small:**
The ideal ratio for cutting round holes with a laser is 1:1—meaning the hole diameter equals the material thickness. This allows for better quality and easier cutting. If the laser power is insufficient, especially when cutting small holes, the result may be broken edges or irregular shapes. Ensuring sufficient power is key to achieving clean, round holes.
**Incorrect Servo Motor Parameters:**
Sometimes, the issue of oval-shaped or uneven holes stems from misalignment in the X/Y axis movement. This is usually due to improper servo motor parameter settings. The accuracy of the circular hole is directly influenced by the correct configuration of these parameters.
**Guide Rail and Lead Screw Accuracy Errors:**
Even if the servo motor settings are correct, inaccuracies in the guide rails or lead screws can still affect the precision of the holes. These components play a critical role in determining the overall performance of the laser cutting machine. Some smaller manufacturers may falsely claim high precision, such as 0.1mm, but in reality, the actual cutting quality may fall short, affecting product value. Choosing a reputable brand with proven reliability is essential.
All these factors contribute to determining whether the laser cutting machine meets the required standards for accuracy, speed, and performance. For customers, understanding these details is crucial when selecting a machine to ensure long-term satisfaction and productivity. Always do your research and invest wisely.
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