WO2018205481A1 - Procédé de réalisation d'un marquage résistant à la corrosion à l'aide d'un laser ultrarapide - Google Patents

Procédé de réalisation d'un marquage résistant à la corrosion à l'aide d'un laser ultrarapide Download PDF

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Publication number
WO2018205481A1
WO2018205481A1 PCT/CN2017/103372 CN2017103372W WO2018205481A1 WO 2018205481 A1 WO2018205481 A1 WO 2018205481A1 CN 2017103372 W CN2017103372 W CN 2017103372W WO 2018205481 A1 WO2018205481 A1 WO 2018205481A1
Authority
WO
WIPO (PCT)
Prior art keywords
laser
laser processing
marking
processed
corrosion
Prior art date
Application number
PCT/CN2017/103372
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English (en)
Chinese (zh)
Inventor
陶沙
赵晓杰
秦国双
Original Assignee
英诺激光科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 英诺激光科技股份有限公司 filed Critical 英诺激光科技股份有限公司
Publication of WO2018205481A1 publication Critical patent/WO2018205481A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/361—Removing material for deburring or mechanical trimming

Definitions

  • the invention belongs to the field of laser processing, and particularly relates to a method for resisting corrosion marking by using an ultrafast laser.
  • the technical problem to be solved by the present invention is that, in view of the deficiencies of the prior art, a method of fast processing, good consistency, and extensive anti-corrosion marking using an ultra-fast laser is provided.
  • the present invention discloses a method for performing corrosion resistance marking using an ultrafast laser, and the method steps are as follows:
  • the workpiece to be processed is one of a metal, an alloy, and a polymer material.
  • the laser processing has a wavelength of 266 or 355 or 532/515 or 1064/1030 nm.
  • the pulse width of the laser processing is ps/fs level.
  • the frequency of the laser processing is 1 MHz or less.
  • the power of the laser processing is 10 W or less.
  • Laser processing is used to form a micro-nano structure on the surface of the material to obtain the desired marking.
  • the method is generally black in color, has anti-corrosion characteristics, and the light does not fade; and the laser marking is performed by the method, the processing speed is fast, the consistency is good, and the materials are widely used; Strong corrosion resistance and black markings do not fade due to external factors.
  • the reference numerals in the figure are expressed as: 1 - the workpiece to be processed; 2 - the micro-nano structure diagram after laser processing; - the specific micro-nano structure diagram formed; 4 - the finished product;
  • Example 1 The present invention discloses a method for performing anti-corrosion marking by using a laser.
  • the method steps are as follows (the specific flow chart is shown in FIG. 1 , wherein: 1 to be processed; 2 - the micro-nano structure after laser processing) ;):
  • the wavelength of laser processing is 266 nm
  • the pulse width is ps/fs level
  • the frequency is below 1MHz
  • the power is below 10W.
  • the laser marking machine After selecting the processing parameters as needed, the laser marking machine is turned on to process the processed parts.
  • the material is formed by laser processing to form a micro-nano structure and form the pattern of the desired mark.
  • the processed material is placed in an etching solution for corrosion to test its corrosion resistance
  • the corrosion test may be selected from a salt spray test, an acid or alkaline corrosion test, and is related to the material properties of the workpiece.
  • the general metal uses a salt spray test.
  • the corroded material is cleaned, and it is preferably washed with water after cleaning with alcohol.
  • the resulting logo still shows black after laser marking and is not corroded.
  • Embodiment 2 This embodiment discloses a method for performing corrosion resistance marking using a laser, and the method steps are as follows:
  • Place the workpiece to be processed and the processing platform, and the workpiece to be processed is an alloy material.
  • the wavelength of laser processing is 355 nm
  • the pulse width is ps/fs level
  • the frequency is below 1MHz
  • the power is below 10W.
  • the laser marking machine After selecting the processing parameters as needed, the laser marking machine is turned on to process the processed parts.
  • the material is formed by laser processing to form a micro-nano structure and form the pattern of the desired mark.
  • the processed material is placed in an etching solution for corrosion to test its corrosion resistance
  • the corrosion test may be selected from a salt spray test, an acid or alkaline corrosion test, and is related to the material properties of the workpiece.
  • the corroded material is cleaned, and it is preferably washed with water after cleaning with alcohol.
  • the resulting logo still shows black after laser marking and is not corroded.
  • Embodiment 3 This embodiment discloses a method for performing corrosion resistance marking using a laser, and the method steps are as follows:
  • the wavelength of laser processing is 532 nm
  • the pulse width is ps/fs level
  • the frequency is below 1MHz
  • the power is below 10W.
  • the laser marking machine After selecting the processing parameters as needed, the laser marking machine is turned on to process the processed parts.
  • the material is formed by laser processing to form a micro-nano structure and form the pattern of the desired mark.
  • the processed material is placed in an etching solution for corrosion to test its corrosion resistance
  • the corrosion test may be selected from a salt spray test, an acid or alkaline corrosion test, and is related to the material properties of the workpiece.
  • the corroded material is cleaned, and it is preferably washed with water after cleaning with alcohol.
  • the resulting logo still shows black after laser marking and is not corroded.
  • Embodiment 4 This embodiment discloses a method for performing corrosion resistance marking using a laser, and the method steps are as follows:
  • the wavelength of laser processing is 1064 nm
  • the pulse width is ps/fs level
  • the frequency is below 1MHz
  • the power is below 10W.
  • the laser marking machine After selecting the processing parameters as needed, the laser marking machine is turned on to process the processed parts.
  • the material is formed by laser processing to form a micro-nano structure and form the pattern of the desired mark.
  • the processed material is placed in an etching solution for corrosion to test its corrosion resistance
  • the corrosion test may be selected from a salt spray test, an acid or alkaline corrosion test, and is related to the material properties of the workpiece.
  • the corroded material is cleaned, and it is preferably washed with water after cleaning with alcohol.
  • the resulting logo still shows black after laser marking and is not corroded.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)

Abstract

Procédé de réalisation d'un marquage résistant à la corrosion à l'aide d'un laser ultrarapide, comprenant les étapes suivantes consistant à : prendre une pièce à traiter (1) et dessiner ou importer un motif qui doit être marqué selon un motif de marque ; régler la position d'un foyer laser et des paramètres d'un traitement laser ; et former une micro-nano-structure sur la surface du matériau par le biais du traitement laser. Selon le procédé de marquage au laser, une micro-nano-structure est formée sur la surface du matériau pour obtenir une marque souhaitée. Par rapport à un procédé de marquage classique, le procédé présente l'avantage que la marque obtenue est globalement noire, présente une résistance à la corrosion et ne subit pas de décoloration sous la lumière.
PCT/CN2017/103372 2017-05-08 2017-09-26 Procédé de réalisation d'un marquage résistant à la corrosion à l'aide d'un laser ultrarapide WO2018205481A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710327514.1 2017-05-08
CN201710327514.1A CN107096998A (zh) 2017-05-08 2017-05-08 一种利用超快激光进行抗腐蚀打标的方法

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WO2018205481A1 true WO2018205481A1 (fr) 2018-11-15

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WO (1) WO2018205481A1 (fr)

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CN107096998A (zh) * 2017-05-08 2017-08-29 英诺激光科技股份有限公司 一种利用超快激光进行抗腐蚀打标的方法
CN109702354B (zh) * 2019-02-26 2020-01-21 西安交通大学 一种基于飞秒激光烧蚀复合诱导制备标印的方法
CN110267189A (zh) * 2019-07-16 2019-09-20 大族激光科技产业集团股份有限公司 一种贴合模具功能性表面的加工方法
CN114473227A (zh) * 2022-03-28 2022-05-13 武汉华工激光工程有限责任公司 一种不锈钢耐腐蚀黑雕的激光加工方法

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