Laser marking control method and laser marking machine
A laser marking machine and laser marking technology, applied in the laser field, can solve problems such as motion control asynchronous, precision reduction, etc., to achieve the effect of improving marking accuracy, improving marking accuracy, and improving convenience
Active Publication Date: 2018-03-23
MAXPHOTONICS CORP
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Problems solved by technology
[0003] In view of this, the present invention provides a laser marking control method and a laser marking machine aimed at the technical problems of asynchronous motion control and reduced precision caused by the separation of the control mechanism of the X-Y motion plane and the Z direction motion in the prior art.
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[0045] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Apparently, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments, and the preferred embodiments of the present invention are shown in the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein, on the contrary, these embodiments are provided for the purpose of making the disclosure of the present invention more thorough and comprehensive. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the prese...
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The invention discloses a laser marking control method which is used for marking on a curved surface. The laser marking control method comprises the steps that the to-be-marked curved surface is mapped to an XY plane area of an XYZ space rectangular coordinate system; the to-be-marked curved surface is divided into a plurality of tolerance arc surfaces, and the rotation angle between the adjacenttolerance arc surfaces is determined, wherein the power difference between the maximum power and the minimum power of laser spots marked on the tolerance arc surfaces is smaller than a preset power value; and according to the coordinates of target marking points in the XY plane area and the rotation angle, the movement in three dimensions can be known. Laser marking on one of the tolerance arc surfaces is completed, and then a marking laser is rotated by the rotation angle to mark the adjacent tolerance arc surface until the marking task is completed. By projection to the XY plane area, the convenience of curved surface marking can be improved; and since the rotating angle between the adjacent tolerance arc surfaces is determined, the movement of a three-dimensional motor is controlled, and the accuracy of marking of the curved surfaces can be guaranteed.
Description
technical field [0001] The invention relates to the field of laser technology, in particular to a laser marking control method and a laser marking machine. Background technique [0002] The galvanometer component scanning laser marking machine guides the high-energy laser beam to the processed product for marking through optical refraction, reflection and focusing. During laser marking, it is necessary to mark on a curved surface. The inventor found that there are at least the following problems in the prior art: curved surface marking can only be marked in two dimensions, and the galvanometer assembly can only move in the X-Y direction; even for the three-dimensional galvanometer assembly, it is designed so that the horizontal movement mechanism in the X-Y direction is perpendicular to the Z direction The motion mechanism is separated, and there is a problem of asynchronous motion control, and the separate control also leads to the problem of reduced precision. Contents ...
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IPC IPC(8): B23K26/362B23K26/08B23K26/70B23K26/064
CPCB23K26/064B23K26/08B23K26/361B23K26/702
Inventor 何高锋蒋峰
Owner MAXPHOTONICS CORP