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TEXTILES


detailed onboard diagnostic tools on lasers; the more information that the laser can provide about how ‘healthy’ it is, the better it is for predicting maintenance and upkeep. Tis data-driven future will further improve automation and processing speeds for the textile industry and elsewhere.


Leather cut and processed with a scan system


resulting perforations had similar quality, the pulsed laser offered a 1.5-times increase in throughput. MCT Digital’s Versa-Tech machine


incorporates Synrad’s ti100 series lasers to cut large areas of textiles, made possible by mounting the laser vertically on a moving gantry. Until recently, it was impossible to do this type of moving setup on a small gantry with a high power laser, because the RF driver was housed in a separate large, bulky module. However, with modern, compact RF driver designs integrated in the same housing as the laser tube, there’s a lot more flexibility to place the laser on the gantry. Tis simplifies beam delivery for large-field cutting, which otherwise would require a complicated flying optical setup, and the accompanying challenges for alignment and collimation. Looking forward, Conroy expects to see more


Superior scanners As in many other industries, the textile industry seeks shorter throughput times, increased production output, and reduced costs. Scan systems for positioning laser beams contribute to meeting these demands, as they make possible the high processing speeds and flexible adoption of laser technologies. Scanlab, which makes laser


scanning solutions, offers various systems suitable for the textile industry. Te PowerScan II is a new 3D scanning device for industrial cutting with multi- kilowatt CO2


lasers. Its low-mass 50mm mirrors enable small spots


combined with high dynamic performance. Tanks to the integrated Flex functionality, the image field size is adjustable to suit a broad range of applications, thus making the scan head particularly compelling for processing textiles. Other 2D scan systems like the IntelliScan can


be extended to a 3D system in combination with a VarioScanFlex, which provides a motorised focus optic to enable step-less varying of image size, working distance, and spot size.


Specific requirements of the textile industry


have influenced the engineering focus of Scanlab. For example, the new housings of the PowerScan II are sealed and dust-protected. Furthermore, the beam exit port is equipped with an exchangeable window for protection against process emissions, to guarantee compliance with textile industry regulations. In many cases, higher processing speeds


[manufacturers] use laser scan systems to cut the leather soles, and engrave and shape the upper leather parts of a shoe


Shoe


require higher laser powers. From the perspective of the optics, this involves larger lenses and mirrors to manage thermal effects. Larger optics also allow for smaller laser beam spots at higher working distances. High working distances, in turn, give access to larger samples that can be processed in one run. ‘We have seen this trend with


several customers moving from systems with 30mm aperture towards 50mm or even 70mm optics,’ commented Uwe Megerle, Scanlab product manager.


Applications using Scanlab systems range


from patterning textiles, such as stonewashed jeans, to cutting materials that will be attached to garments, and cutting technical textiles like airbags. Te shoe and leather industry, too, uses laser scan systems not only to cut the leather soles, but also to engrave and shape the upper leather parts of a shoe. Tese systems mean the leather can be cut and patterned in a single step, while also offering a cost-effective means to make small production lots of different shoe sizes without changing tools.


EleVac_LFWbg_1503 1


8/25/14 5:02 PM


Scanlab


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