Laminated Safety Glass (LSG) cutting has traditionally been a process bottleneck, largely due to the time-consuming heating and separation steps.
However, a new technology, Laser Separation and Cutting (LSR), is dramatically changing the game, offering significant speed improvements and enhanced edge quality.
The primary advantage of LSR lies in its ability to accelerate the heating and separating process. Utilizing a precise laser diode, the LSR system rapidly and efficiently weakens the interlayer film within the LSG, enabling a faster and cleaner separation. This eliminates the extended heating times associated with conventional methods, leading to substantial gains in overall throughput.
According to HEGLA Managing Director Bernhard Hötger, systems like the ProLam LSR equipped with laser technology achieve at least a 20% increase in throughput. Interestingly, the benefits amplify with thicker film composites. “The thicker the film and therefore the overall composite, the more time is saved,” Hötger notes. “We can cut a ten-layer film in ten seconds and maintain the maximum quality of the composite edge, thanks to the gentle use of the laser.”
Beyond speed, LSR offers a distinct advantage in edge quality. The localized heat input of the laser ensures that the surrounding glass remains cool, minimizing the risk of subsequent delamination – a common issue with traditional heating methods. The precise application of energy also contributes to a cleaner, more uniform edge finish.
Furthermore, the design of the LSR system is optimized for longevity and ease of maintenance. The laser diode heater is strategically positioned above the glass, shielding it from potential contaminants like dust, lucite, oil, and glass splinters. Unlike infrared radiators, whose performance can be significantly reduced by soiling, the performance of laser diodes remains consistent over time. This translates to reduced downtime and increased productivity.
The benefits extend beyond standalone operation. The LSR technology can be seamlessly integrated with existing or new cutting systems, further amplifying their output and efficiency. This compatibility makes it a versatile solution for a wide range of LSG cutting operations.
Finally, LSR technology offers a compelling advantage in terms of energy consumption. Compared to conventional heating methods, the laser diode is only activated briefly and modulated based on the cutting length. This targeted energy delivery significantly reduces overall energy consumption, contributing to a more sustainable and cost-effective operation.
In conclusion, LSR technology represents a significant advancement in LSG cutting. Its combination of speed, precision, edge quality, and energy efficiency makes it a compelling solution for businesses looking to optimize their laminated glass processing operations and meet the ever-increasing demands of the market. The integration of smart cutting distribution, glass-friendly laser technology, and efficient operation creates a powerful solution that redefines productivity in LSG cutting.
Source: HEGLA with additional information added by GlassBalkan
