The invention provides a semi-submersible type
laser cutting method for a high-speed aircraft empennage. The semi-submersible type
laser cutting method for the high-speed aircraft empennage comprisesthe following steps that an empennage sample piece 12 is put into a fixture 3 and fixed and clamped; a working solution is added into a liquid groove 2, the lower surface of the empennage sample piece12 is immersed by the working solution, but the working solution does not exceed the upper surface of the empennage sample piece 12, and the specific immersing height is adjusted through the fixture;a cooling-water
machine 1 is turned on, the temperature and the flowing speed are set, and by means of a filter 8, the constant temperature and the constant flowing speed of the working solution arekept among the liquid groove 2, the cooling-water
machine 1 and a working solution
storage tank 9; and according to the size of the empennage sample piece 12 and requirements,
laser machining parameters are input, and a laser head 10 begins to carry out
machining. According to the semi-submersible type
laser cutting method, a high-power pulse laser is used for carrying out
machining, the machiningefficiency is greatly improved, the empennage sample piece is semi-immersed in the working solution, the situation that
laser beams direct beat the surface of the working solution, a
sputtering phenomenon occurs, and unnecessary energy losses are caused cannot occur, meanwhile, the working solution flows on the lower part,
cutting residues are brought away, a cutting face
heat affected zone is also reduced, and high-precision, high-efficiency, low-cost and large-batch machining can be achieved.