Distance control in 3D printing

Micro laser sintering technology is an additive production technology based on digital 3D design data, whereby a component is constructed layer-by-layer from metal powders using a laser beam. This procedure is also known as industrial 3D printing. The exact positioning of the squeegee to the base surface (distance and tilt angle) requires an exact control method. Four CSE05(01) capacitive displacement sensors are used here. The planarity of the descending construction platform must be inspected before the process starts using three CS02 sensors integrated into an add-on module.

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