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Globo welding works along the lines of contour welding. A laser beam is focused at a point on the joining plane via an air bearing, frictionless, freely rotating glass sphere. The glass sphere not only focuses – it also serves as a mechanical clamping tool. While the sphere rolls on the component, it applies continuous pressure at a point on the joining plan
This ensures that the laser beam is only incident at the point at which the contact pressure is also applied. The glass sphere replaces the mechanical clamping device and expands the scope of laser welding for both continuous and three-dimensional applications.
Characteristics and application:
- Arbitrary joining geometries in two and three dimensions
- Welding without a clamping device
- Optimal synchronization of clamping pressure and energy application
- Suitable for robotic applications
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