Device for multistation laser treatment

FIELD: physics.

SUBSTANCE: device has a laser and, optically connected to the laser, a system for dividing the initial beam, a beam convergence system, galvano scanner with a focus lens and a telescope-radiation homogeniser, fitted on the beam path in front of the system for dividing the initial beam. The system for dividing the initial beam and the beam convergence system are in form of mirror matrices. The mirrors in the matrices have equal surface area and can independently rotate and move in two mutually perpendicular planes. Mirrors in the matrix of the beam convergence system can additionally move in the plane of the matrix.

EFFECT: multiple increase in efficiency of laser beam machines and reduced power consumption at high quality of the product.

1 dwg

 

This invention relates to the field of laser materials processing and can be used in the manufacture of a large quantity of articles on a single laser system, including laser cutting, welding, cladding and selective sintering.

The task of the invention is to develop a multi-device laser processing, providing multiple productivity of laser technological complexes, the reduction of energy consumption at the high quality items.

A device power laser processing [1], which contains the laser, optically associated with the system of division of the beam in the form of a diffraction grating, and system scanning and focusing of laser radiation in separate areas of the processing in the form of a mechanical rotator and lens.

The disadvantage of this device is the location of the separate domains on the same line and, consequently, a decrease in performance. The closest in technical essence to the proposed device is presented in [2] the multi-device laser processing, containing the laser, optically associated with the system of division of the beam, the information beam, galvanoscanner with focusing lens. The disadvantage of this device is the complexity of the system division Puig is a and the alignment of the intensities of the individual beams.

The task of the invention is to enhance the functionality and simplification of the device, ensuring the identity of products with multiple productivity of laser technological complexes, reduction of energy consumption with high quality izdeliy.

To solve this problem is proposed device multi-laser treatment that contains a laser, optically associated with the system of division of the original beam and the information beam, galvanoscanner with focusing lens.

New, according to the authors, is that the device is equipped with a telescope-homogenizer radiation, optically associated with the laser and installed along the beam before the division of the beam, the division of the primary beam and the information beam is made in the form of a matrix of mirrors, but mirrors matrices have equal space and opportunity for independent rotation and movement in two mutually perpendicular planes, and mirrors matrix system information beams are installed with the possibility of additional movement in the plane of the matrix.

The invention is illustrated by the diagram in the drawing.

The device includes a laser 1, optically associated with the telescope-homogenizer 2, system divide the source beam into a matrix of mirrors 3, the system is edenia beams in the form of a matrix of mirrors 4, galvanoscanner 5 and the focusing lens 6. Each mirror matrices equipped with a device for adjustment in two mutually perpendicular planes. Mirror matrix system information beams are installed with the possibility of additional movement in the plane of the matrix to adjust the angle of incidence of the beam on the input mirror galvanoscanner.

The device operates as follows. The laser beam 1 with the Gaussian intensity distribution of the radiation beam after passing through the telescope-homogenizer 2 becomes close to uniform distribution. Using the matrix of mirrors 3 with equal surface area of the mirrors, the beam is divided into several equal power parallel beams, each of which is routed to the desired angle on the corresponding second mirror along the beam matrix 4 is identical to the first mirrors. Using the second along the beam matrix mirrors 4 parallel beams are directed at different angles of incidence on the entrance mirror galvanoscanner 5. After reflection from the second mirror galvanoscanner beams are focused by a single lens 6 in different areas of the processing surface 7. When software is rotating mirror galvanoscanner movement stains focus will be with high precision is identical to 7.

Thus, the claimed device, the multi-hole is Noah processing ensures that the products repeated increase performance laser technological complexes, reducing operational and energy costs and high quality products.

References

1. Ataco, 8. Kayamoru. Laser processing method, a laser welding method and laser processing apparatus. US Patent No. 7, 009, 138 at 07.03.2006.

2. T.Lizote, O.Ohar. System and method for generating and controlling multiple independently steerable laser beam formaterial processing. US Patent No. 6909735 at 21.06.2005.

Device power laser processing, containing the laser and optically associated with the system of division of the original beam and the information beam and galvanoscanner with focusing lens, characterized in that it is equipped with a telescope-homogenizer radiation, optically associated with the laser and installed along the beam before the division of the primary beam, the division of the primary beam and the information beam is made in the form of a matrix of mirrors, but mirrors matrices have equal space and opportunity for independent rotation and movement in two mutually perpendicular planes, and mirrors matrix system information beams are installed with the ability to move in the plane matrix.



 

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