Non destructive laser cutting

The development of numerical control and laser technology has made the laser cutting process for metal sheets increasingly mature, reducing cutting costs and improving efficiency. Laser cutting lines with laser cutting machines as the main machine have emerged both domestically and internationally.

The characteristics of material cutting production are large batch sizes and high surface quality requirements for the cutting parts. In terms of efficiency and quality, traditional laser cutting machines cannot meet the needs of material cutting production.

Shenyang Shengao Electromechanical Equipment Factory has developed non-destructive laser cutting technology and applied it to laser cutting lines. As shown in Figure 1, the process flow of the laser cutting line is that the metal coil is uncoiled and leveled, and then sent to the laser cutting machine. After cutting is completed, the finished products are automatically stacked and the waste is sent to the waste bin.

As shown in Table 1, comparing the characteristics of traditional stamping and four types of laser cutting, it can be seen that the belt supported and reciprocating laser cutting lines have significant comprehensive advantages. Meanwhile, compared with press machines and molds, laser cutting machines also have a price advantage, therefore, the market share of laser cutting lines is showing a significant growth trend.

The falling parts obtained by non-destructive laser cutting have no scratches or dust pollution on the surface, no slag lumps or burrs on the cutting seam, as shown in Figure 2, and can be directly used for stamping production in the next process.

The cutting seam of the falling parts is free of slag and small burrs, which not only meets the requirements of the stamping process for the falling parts, but also ensures the reliability of automatic stacking of the falling parts and the quality of the stacking. Figure 3 shows a high-quality stack of steel aluminum steel composite panel falling parts.

Based on mastering the core technologies of laser cutting, fully digital production lines, and related processes, Kudi Second Machine has developed multiple models of laser cutting lines. The core technologies of this production line include: dynamic optical stitching, non-destructive laser cutting, continuous variable speed feeding, process package and material utilization optimization, etc. The technical architecture is shown in Figure 4. These technologies make the laser feeding line of Kudi II machine have obvious characteristics and advantages.

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