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4 November 1994 High-speed laser cutting of lace
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Proceedings Volume 2246, Laser Materials Processing and Machining; (1994)
Event: Optics for Productivity in Manufacturing, 1994, Frankfurt, Germany
The cutting of patterned edges of lace fabric using a machine based purely on mechanical concepts has fundamental problems. This process imparts forces into the workpiece causing local deformation of the fabric which reduces the cut edge quality and leads to bunching up of the fabric around the pattern following guide and the cutting blade. The process requires constant operator involvement and reduction in processing speeds when cutting complex patterns. It is difficult to apply to elastic fabrics. A non-contact cutting concept for separating the lace pattern from the backing net using a vision directed CO2 laser is described. This approach removes the problems associated with the mechanical lace cutting machines and allows automatic processing at higher feed velocities with improved cut edge quality. The high fabric transport speeds of one meter per second place significant demands on the vision system for sensing the real time position of the material pattern. Also, there is a high speed, high accuracy requirement for the laser beam manipulation system. The design approach for the integrated high speed laser cutting system and bulk lace material handling system is described. A proof of concept demonstrator is presented and results of initial tests are discussed.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Mike Jackson, Mike Preston, Liguo Tao, Sen Yang, and Tim King "High-speed laser cutting of lace", Proc. SPIE 2246, Laser Materials Processing and Machining, (4 November 1994);


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