Abstract
Laser Directed Energy Deposition is an Additive Manufacturing technology that enables repairing or coating high-added-value components. The obtained results depend on the process parameters, but also on the machine dynamics, e.g. the capability of the machine to follow the programmed trajectory at a constant velocity. In the present research work, the response of a laser machine and a FAGOR 8070 CNC control at different situations is analysed. Special attention is paid to the trajectory smoothing command of the control. The machine acceleration is found to affect the initial and final accelerations, but not the velocity reduction in the direction change. On the contrary, the value of the chordal error influences the machine deceleration in the direction change corner, whereas its influence is almost negligible in the initial and final accelerations.
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