A laser processing spot control method and its proprietary device
A technology of laser processing and control method, which is applied in the direction of metal processing equipment, laser welding equipment, manufacturing tools, etc., can solve the problem of unable to adjust and adjust the light intensity distribution characteristics of the light spot, and achieve the effect of simple structure, practicality and convenience
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Embodiment 1
[0034] Embodiment 1 A laser processing spot control method, comprising the following steps:
[0035] 1) Place the workpiece 9 to be processed on the motion table;
[0036] 2) Turn on the controller, the drive module of the controller sends a motion control instruction to the motor driver, and the motor driver that receives the motion control instruction drives the workpiece placed on the motion table to move synchronously through the motor movement; the swing control module of the controller sends The first signal transmitter sends a swing command to control the vibrating mirror connected to the first signal transmitter to make a corresponding swing; the power adjustment module of the controller sends a power control command to the second signal transmitter, and the control and the second The laser connected to the signal transmitter emits laser light of corresponding power;
[0037] 3) The point-shaped laser beam emitted by the laser is irradiated on the galvanometer as inci...
Embodiment 2
[0042] Embodiment 2 A proprietary device constructed according to the laser processing spot control method described in Embodiment 1, including a controller 1, a motor driver 2, a motor 3, a first signal transmitter 4, a second signal transmitter 5, a motion Workbench 6, laser device 7 and vibrating mirror 8, the driving module of described controller 1 is connected with the signal input end of motor driver 2, and the signal output end of described motor driver 2 is connected with motor 3, and described motor 3 The output shaft is fixed to the motion table 6; the swing control module of the controller 1 is connected to the signal input end of the first signal transmitter 4, and the signal output of the first signal transmitter 4 is The end is connected with the vibrating mirror 8; the power adjustment module of the controller 1 is connected with the signal input end of the second signal transmitter 5, and the signal output end of the second signal transmitter 5 is connected wit...
Embodiment 3
[0059] Embodiment 3 Taking medium carbon steel as an example, the method and device of the present invention are used to control the uniformity of the depth of the laser broadband phase transformation hardening layer on the surface of medium carbon steel
[0060] When performing laser phase transformation hardening treatment on the surface of medium carbon steel, it is hoped that the depth distribution of the hardened layer obtained after the treatment is uniform. The traditional treatment method is to use the broadband spot with uniform energy density distribution obtained by the static optical shaping system for heat treatment. The heat dissipation conditions of the workpiece in different parts of the broadband spot are inconsistent (the heat conduction speed is slow in the middle of the spot, and the heat conduction speed is fast at the edge of the spot), which often causes the temperature in the middle of the spot to be higher than that at the edge, and the heat treatment de...
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