Method and device for marking bitmap on cylindrical workpiece
A cylindrical, marking bit technology, applied in the direction of manufacturing tools, metal processing equipment, welding equipment, etc., can solve the problems of lack of tone and color transition, graphic distortion, and increase the complexity of the marking process, etc.
Active Publication Date: 2020-07-28
HANS LASER TECH IND GRP CO LTD
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- Description
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- Application Information
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Problems solved by technology
Therefore, when marking a cylindrical workpiece with a bitmap, it is necessary to convert the bitmap into a vector image before marking, which not only increases the complexity of the marking process, but also reduces the tone and color transition of the bitmap after the graphic conversion. will be missing, resulting in distortion of the graphics obtained by marking
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[0033] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.
[0034] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes of ill...
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Abstract
The invention relates to a method and device for marking a cylindrical workpiece with a bitmap. By the adoption of the method for marking the cylindrical workpiece with the bitmap, when the cylindrical workpiece is marked, the bitmap can be directly imported into marking software, through rotation of the cylindrical workpiece and scanning of a galvanometer module along a Y axis, dot matrix markingcan be conducted on the surface of the cylindrical workpiece, it is unnecessary to convert the bitmap into a vector diagram, the complexity of a marking process is reduced, and figures do not easilydistort. At the same time, rotation motion of the cylindrical workpiece is continuous, and marking motion of the galvanometer module and rotation of the cylindrical workpiece are carried out synchronously, so that the marking efficiency is improved to a great extent; stitching traces do not exist in marked patterns, and a good shade effect is achieved.
Description
technical field [0001] The invention relates to the technical field of laser marking, in particular to a method and device for marking a bitmap on a cylindrical workpiece. Background technique [0002] There are two main graphics formats used in laser marking, one is vector graphics and the other is bitmap. Vector graphics are graphics drawn according to geometric characteristics, and are graphics for objects such as points, lines, rectangles, curves, and text. Each object is an entity with attributes such as color, size, outline, shape, and position. Each object is combined, colored, and typeset to obtain a pattern. When the vector map is enlarged or reduced, the figure will not be distorted, blurred, or deformed, and the edges will be smooth without jaggedness. Therefore, when marking with vector graphics, you can Divide the vector image into multiple objects, and then mark each object. Bitmap, also known as bitmap, is formed by arranging pixels of many different colors....
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IPC IPC(8): B23K26/362B23K26/082B23K26/08
CPCB23K26/082B23K26/0823B23K26/361
Inventor 赵敏吴烈范醉风陈克胜陈春辉叶天茂王艺高云峰
Owner HANS LASER TECH IND GRP CO LTD