ROBOTICS(7)

ROBOTICS(7)

The limitations of the access to the preforms due to the necessary fixtures have been overcome in the majority of the applications by the availability of one side stitching techniques. Since the work piece has to be accessed from one side only, stitching of complicated structures is no longer limited by the design or the size of the stitching machine. The possibility to mount the manipulator arm to a rail or a gantry system has also eliminated the limitations in the stitching area. Besides the conventional double lock stitch two different techniques for one side stitching are available. The two needle one side simple chain stitch head produces a double line seam; the work piece is penetrated by the stitching thread at different inserting angles.

Especially for the local reinforcement of FRP a tufting head can be used which allows to insert the stitching thread under various angles and at lowest possible thread tensions. To make optimal use of the well known advantages of NC-operated robot systems, a wide range of control features is available including an offline programming systems which aside from generating the robot program is also capable of conducting feasibility analyses and simulations.