CN114578762A - Control method for automatic layer exchange of laser-engraved texture region - Google Patents
Control method for automatic layer exchange of laser-engraved texture region Download PDFInfo
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- CN114578762A CN114578762A CN202210187198.3A CN202210187198A CN114578762A CN 114578762 A CN114578762 A CN 114578762A CN 202210187198 A CN202210187198 A CN 202210187198A CN 114578762 A CN114578762 A CN 114578762A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/4097—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by using design data to control NC machines, e.g. CAD/CAM
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/35—Nc in input of data, input till input file format
- G05B2219/35012—Cad cam
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention provides a control method for automatic layer exchange of a laser engraving texture area, and laser equipment comprises the following steps: the system comprises a high-precision five-axis numerical control system, a five-axis numerical control platform, a laser engraving system, a PC industrial personal computer and CAM software installed in a WINDOS operating system of the PC industrial personal computer; the method comprises the following steps: s1, editing and setting a texture pattern and a native model by using CAM software, automatically framing by an algorithm, calculating the number of correspondingly set laser engraving layers by an algorithm tool of the CAM software according to the precision requirement of practical application requirements, determining a plurality of basic breadth areas to be processed, and finishing laser engraving of a plurality of breadth single layers one by one; and step S2, automatically calculating framing elements again, generating a new breadth program according to a self-defined or random algorithm mechanism, and completing laser engraving of a plurality of breadth single layers one by one. The invention ensures perfect splicing and engraving of laser, reduces energy consumption and production cost and improves engraving quality.
Description
Technical Field
The invention relates to the technical field of laser texture processing, in particular to a control method for automatic layer exchange of a laser-engraved texture area.
Background
In modern production at present, laser processing and manufacturing science and technology are emerging multidisciplinary cross engineering scientific technologies for carrying out special processing on high-performance metal parts, preparation of high-performance materials and direct forming and manufacturing of the high-performance parts by utilizing focused high-energy laser beams, are important components of advanced manufacturing technologies, and are the international leading-edge research direction in the subject field.
The laser processing is to process parts by using a focused light spot (namely, a 'light knife') of a light beam passing through a focusing mirror. The laser processing does not need tools, the energy of the light beam is highly concentrated after the light beam is focused by the focusing lens, the light beam is used as a light knife to carry out punching, cutting, welding, complex curved surface etching, superfine rough processing and the like on the material, the processing speed is high, the surface deformation is small, and the range of the processed material is wide.
When the 3D texture of a plane and a curved surface is laser-imprinted, two processing characteristic mode methods are provided, one is processing of a single basic breadth area, and the single basic breadth area can meet the processing requirements of basic processing condition requirements; the other is the processing requirement that a plurality of basic breadth areas need to be spliced, for example, when the area is large, the curved surface does not meet the conditions of laser working elements, the product configuration range and the like. Laser engraving is conducted on a single basic breadth area unit, a laser engraving system substitutes a corresponding algorithm into the number of laser engraving layers according to the precision requirement of practical application requirements, and a five-axis numerical control workbench is matched with the laser engraving system to scan and reduce the layers of the superposed layers layer by layer and gradually reduce engraving until the engraving is finished; the multiple basic breadth areas need to be spliced for processing, and because each breadth has adjacent connection, if the engraving is reduced gradually to the completion of splicing according to the layer-by-layer scanning reduction of the superposed layers, the adjacent connection of the breadths can form obvious splicing traces;
in view of the above, there is a need for an improved laser imprinting method in the prior art to solve the above problems.
Disclosure of Invention
The invention aims to disclose a control method for automatic layer-crossing exchange of a laser-engraved texture area, which can perfectly solve the problem that an obvious splicing trace is generated at a joint where breadth is adjacent, radically solve the generation of the splicing trace and enable perfect splicing laser engraving to be a feasible basis.
In order to achieve the above object, the present invention provides a control method for automatic layer exchange of a laser-imprinted texture region, wherein the laser device comprises: the system comprises a high-precision five-axis numerical control system, a five-axis numerical control platform, a laser engraving system, a PC industrial personal computer and CAM software installed in a WINDOS operating system of the PC industrial personal computer;
the method comprises the following steps:
s1, calculating the number of laser engraving layers correspondingly set according to the precision requirement of practical application requirements by the algorithm tool of the CAM software, editing and setting the texture pattern and the primary model by the CAM software, and automatically framing by the algorithm according to the element principle of the characteristics of a processing surface, the characteristic conditions of a laser engraving system and the five-axis driving and controlling range conditions;
s2, determining a plurality of basic breadth areas to be processed, and completing laser engraving of a plurality of breadth single layers one by one;
s3, automatically calculating framing elements again, generating a new breadth program according to a self-defined or random algorithm mechanism, and completing laser engraving of a plurality of breadth single layers one by one;
and S4, repeating the step S3 for many times, controlling the high-precision five-axis numerical control system through CAM software to drive the five-axis numerical control workbench to complete numerical control displacement, and controlling the laser engraving system to emit light to perform scanning and reduction engraving step by step one by step.
As a further improvement of the present invention, in step S3, the algorithm tool of the CAM software further includes regenerating a new starting point for imprinting.
As a further improvement of the present invention, the principle element conditions of the web width dividing in the steps S1 and S3 include: the focal distance range of the laser is 250mm plus or minus 20mm, the basic breadth range is 180 x 180mm, the incident angle (reverse angle) of the laser is less than 120 degrees, and the normal angle range of the curved surface of the processed workpiece is wide.
As a further improvement of the invention, the control algorithm of the CAM software is based on the characteristics of hardware and auxiliary software, and verification calculation is carried out to generate a five-axis drive control program which can meet the control of automatic layer exchange of the laser imprinting texture region.
As a further improvement of the invention, the control method is suitable for a three-dimensional curved workpiece capable of dividing a plurality of breadth.
Compared with the prior art, the invention has the beneficial effects that:
(1) a control method for automatic layer exchange of laser engraving texture areas enables obvious splicing texture marks generated at the joint between adjacent breadths to be solved when a plurality of basic breadths are spliced, fundamentally solves the generation of the splicing marks, and enables perfect splicing laser engraving to be a feasible basis; the method realizes laser engraving of curved surface textures, makes the appearance of highly coherent and tangential high-efficiency processing of texture design possible, ensures perfect splicing and engraving of laser, has selection of processing modes, can reduce energy consumption, reduce production cost and improve production quality and effect.
Drawings
FIG. 1 shows different components of a control method for automatic layer exchange of a laser-engraved textured area according to the present invention
And (5) a frame sample schematic diagram under the frame element.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that functional, methodological, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Fig. 1 shows an embodiment of a method for controlling automatic layer exchange of a laser-imprinted texture region according to the present invention.
A control method for automatic layer exchange of a laser marking texture area comprises the following steps: the system comprises a high-precision five-axis numerical control system, a five-axis numerical control platform, a laser engraving system, a PC industrial personal computer and CAM software installed in a WINDOS operating system of the PC industrial personal computer; the method comprises the following steps: s1, calculating the number of laser engraving layers which are correspondingly set according to the precision requirement of practical application requirements through an algorithm tool of CAM software, editing and setting texture patterns and a primary model by utilizing the CAM software, and automatically framing through an algorithm according to the element principle of characteristics of a processing surface, characteristic conditions of a laser engraving system and five-axis drive and control range conditions; s2, determining a plurality of basic breadth areas to be processed, and completing laser engraving of a plurality of breadth single layers one by one; s3, automatically calculating framing elements again, generating a new breadth program according to a self-defined or random algorithm mechanism, and completing laser engraving of a plurality of breadth single layers one by one; and S4, repeating the step S3 for many times, controlling the high-precision five-axis numerical control system through CAM software to drive the five-axis numerical control workbench to complete numerical control displacement, and controlling the laser engraving system to emit light to perform scanning and reduction engraving step by step one by step. In step S3, the algorithm tool of the CAM software further includes regenerating a new starting point for imprinting. The framing principle element conditions of the breads in the steps S1 and S3 comprise: the focal distance range of the laser is 250mm plus or minus 20mm, the basic breadth range is 180 x 180mm, the incident angle (reverse angle) of the laser is less than 120 degrees, and the normal angle range of the curved surface of the processed workpiece is wide. The control algorithm of the CAM software is based on the characteristics of hardware and auxiliary software, and verification calculation is carried out to generate a five-axis drive control program which can meet the control of automatic layer exchange of the laser imprinting texture area. The web is produced in several identical or different shapes. The control method is suitable for the three-dimensional curved surface workpiece capable of dividing a plurality of breadth.
The method can solve the obvious splicing grain mark generated at the joint between adjacent breadths during splicing processing of a plurality of basic breadths, fundamentally solves the generation of the splicing mark and enables the perfect splicing laser engraving to be a feasible basis; the method realizes laser engraving of curved surface textures, makes the appearance of highly coherent and tangential high-efficiency processing of texture design possible, ensures perfect splicing and engraving of laser, has selection of processing modes, can reduce energy consumption, reduce production cost and improve production quality and effect.
It needs to be understood that when the laser is used for engraving plane and curved surface 3D textures, the laser has two processing characteristic mode methods, one is the processing of a single basic breadth area, and the single basic breadth area can meet the processing requirements of basic processing condition requirements; the other is the processing requirement that a plurality of basic breadth areas need to be spliced, for example, when the area is large, the curved surface does not meet the conditions of laser working elements, the product configuration range and the like. Laser engraving is carried out on a single basic breadth, a laser engraving system substitutes the number of laser engraving layers into a corresponding algorithm according to the precision requirement of the actual application requirement, and a five-axis numerical control workbench is matched with the laser engraving system to scan and reduce the layers one by one to gradually finish engraving; the multiple basic breadth areas need to be spliced for processing, and because each breadth has adjacent connection, if the engraving is reduced gradually to the completion of splicing according to the layer-by-layer scanning reduction of the superposed layers, the adjacent connection of the breadths can form obvious splicing traces; therefore, a plurality of basic breadth areas needing to be processed are subjected to laser engraving areas of a plurality of breadth single layers one by one, when the next layer is transited, framing elements are automatically calculated again, a new breadth program is generated according to a self-defined or random algorithm mechanism, the laser engraving areas of the plurality of breadth single layers are finished one by one, and the method scans and reduces engraving layer by layer one by one.
The laser engraving system is arranged on a five-axis numerical control Z axis, and the CAM software (control algorithm function for automatic layer exchange of laser engraving texture areas) is installed on a WINDOS operating system of a PC (personal computer). In the process of five-axis laser engraving 3D texture equipment, CAM software (a control algorithm function for automatic layer exchange of a laser engraving texture area) is one of main core technologies, the control algorithm for automatic layer exchange of the laser engraving texture area is based on the characteristics of hardware and auxiliary software, checking calculation is carried out, and a five-axis drive control program capable of meeting the control of automatic layer exchange of the laser engraving texture area is generated; when the laser is used for engraving plane and curved surface textures, the program generation is facilitated, the generation of splicing marks is fundamentally solved, and the perfect splicing laser engraving becomes a feasible basis; the laser engraving texture is realized, and the high-efficiency processing of the texture design with high degree of attachment and cutting is possible.
Referring to fig. 1, three different framing elements and different web shapes are shown for the second layer during laser embossing.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A control method for automatic layer exchange of a laser marking texture area comprises the following steps: the system comprises a high-precision five-axis numerical control system, a five-axis numerical control platform, a laser engraving system, a PC industrial personal computer and CAM software installed in a WINDOS operating system of the PC industrial personal computer;
the method is characterized by comprising the following steps:
s1, calculating the corresponding set laser engraving layer number according to the precision requirement of the actual application requirement by the algorithm tool of the CAM software, editing and setting the texture pattern and the primary model by the CAM software, and automatically framing by the algorithm according to the element principle of the characteristics of the processing surface, the characteristic conditions of the laser engraving system and the five-axis drive and control range conditions;
s2, determining a plurality of basic breadth areas to be processed, and completing laser engraving of a plurality of breadth single layers one by one;
s3, automatically calculating framing elements again, generating a new breadth program according to a self-defined or random algorithm mechanism, and completing laser engraving of a plurality of breadth single layers one by one;
and S4, repeating the step S3 for many times, controlling the high-precision five-axis numerical control system through CAM software to drive the five-axis numerical control workbench to complete numerical control displacement, and controlling the laser engraving system to emit light to perform scanning and reduction engraving step by step one by step.
2. The method as claimed in claim 1, wherein in step S3, the algorithm tool of the CAM software further comprises regenerating a new imprinting start point.
3. The method as claimed in claim 1, wherein the control algorithm of the CAM software is based on the characteristics of hardware and auxiliary software, and performs verification calculation to generate a five-axis driving control program capable of satisfying the control of automatic layer exchange of the laser-imprinted texture region.
4. The method as claimed in claim 1, wherein the principle element conditions of framing of the web in steps S1 and S3 include: the focal distance range of the laser is 250mm plus or minus 20mm, the basic breadth range is 180 x 180mm, the incident angle (reverse angle) of the laser is less than 120 degrees, and the normal angle range of the curved surface of the processed workpiece is wide.
5. The method for controlling automatic layer exchange of the laser-imprinted texture region as claimed in claim 1, wherein the method is suitable for a three-dimensional curved workpiece capable of dividing a plurality of breadth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210187198.3A CN114578762A (en) | 2022-02-28 | 2022-02-28 | Control method for automatic layer exchange of laser-engraved texture region |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210187198.3A CN114578762A (en) | 2022-02-28 | 2022-02-28 | Control method for automatic layer exchange of laser-engraved texture region |
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| Publication Number | Publication Date |
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| CN114578762A true CN114578762A (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210187198.3A Withdrawn CN114578762A (en) | 2022-02-28 | 2022-02-28 | Control method for automatic layer exchange of laser-engraved texture region |
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| CN (1) | CN114578762A (en) |
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- 2022-02-28 CN CN202210187198.3A patent/CN114578762A/en not_active Withdrawn
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