Laser welding machines are used to weld metal, and laser cutting machines are used to cut crafts.
The principle of laser welding machine and cutting the principle of similarity, but to reach the purpose of it is on the contrary, although it is difficult to specific indirectly from both the definition and determine the internal parameters of the concrete difference between both, but, according to the experience, both can be implemented on a machine actually symbiotic, just a slightly different program, invoked by the laser power.