Abstract

In this paper, the cutting performance of continuous and pulsed YAG laser equipment is compared. Cutting tests were carried out on plates from car frames, both coated and uncoated. Results are analysed in terms of the energy supplied by the source per volume of treated material. It appears that continuous equipment offers a better performance as regards operating speed, pulsed sources being penalized mainly by their low filling rate. A good quality beam producing a small laser spot gives a high scanning speed.

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