Multi-galvanometer scanning control method, device, computer device and storage medium

Abstract

The invention relates to a multi-galvanometer scanning control method, device, a computer device and a storage medium. The current sintering plane is divided according to a preset partition rule, so as to obtain a plurality of regions to be scanned, dividing the regions to be scanned into different scanning time periods in the scanning direction, wherein the regions to be scanned in the same scanning time period do not overlap along the direction of the wind field, the scanning direction is perpendicular to the direction of the wind field, the laser scanner is controlled to respectively scan the to-be-scanned area in different scanning time periods. A plurality of regions to be scanned are divided into different scanning time segments in the scanning direction, the dividing principle is that the to-be-scanned area in the same scanning time period does not overlap in the direction of the wind field, the laser scanner is controlled to carry out scanning on the to-be-scanned area in different scanning time periods, so that smoke generated during laser scanning can be prevented from passing through a laser starting path, the laser energy and the sintering quality are guaranteed to themaximum extent, and the laser scanning effect is not influenced.

Description

technical field [0001] The invention relates to the field of scanning, in particular to a multi-vibrating mirror scanning control method, device, computer equipment and storage medium. Background technique [0002] 3D printing (3DP) is a kind of rapid prototyping technology. It is a technology based on digital model files and using bondable materials such as powdered metal or plastic to construct objects by layer-by-layer printing. [0003] In the construction of three-dimensional objects, laser melting will produce a certain amount of slag and smoke. Because the smoke on the laser path will seriously affect the energy of laser scanning, the traditional technology usually uses airflow to suck the smoke away. At present, most of the parallel wind fields are horizontal. In the wind field, the multi-array laser galvanometer scanning system cannot realize multi-array laser galvanometer scanning without affecting the laser scanning effect. scanning control method. Contents of ...

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Problems solved by technology

[0003] In the construction of three-dimensional objects, laser melting will produce a certain amount of slag and smoke. Since the smoke on the laser path will seriously affect the energy of laser scanning, the traditional technology usually uses airflow to suck the smoke away. At present, most of the parallel wind fields are horizontal. In the wind field, the multi-array laser galvanometer scanning system cannot realize multi-array laser galvanometer scanning without affecting the laser scanning effect. scan control method

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