Scribd
Upload
12 views6 pages

Lasers Marking

Uploaded by

Karthikeshwaran Ramasamy
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
12 views6 pages

Lasers Marking

Uploaded by

Karthikeshwaran Ramasamy
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
You are on page 1/ 6

Laser Marking

Dr.-Ing. M. Duraiselvam
Professor, Department of Production Engineering
National Institute of Technology, Tiruchirappalli
durai@nitt.edu
Laser Marking and Engraving
Alphanumeric code imprinted on the label or on the surface of the product
Other competing marking techniques
- inkjet, hot stamping, mechanical scribing
Advantages of laser marking
Indelibility, Reliability, No consumables, cleanliness and high speed.
Forms of Laser Marking
Black carbonization
Bleaching
Physical modification of the surface finish
Scribing a shallow groove into the material by vaporization Highly controlled
modification of the surface by melting

Choosing a laser with appropriate wavelength is important for effective marking


28
Laser Marking and Engraving
Applications

29
Laser Marking and Engraving
Applications

30
Laser Marking and Engraving
Applications

31
Laser Marking and Engraving
Applications

32

You might also like