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Chapter 1 Overview
1.1 Principle of laser marking
The laser has high brightness, high accuracy, high monochromaticity and high
coherence, which is unmatched by ordinary illumination sources. When the laser
beam is focused, it can produce thousands of degrees or even tens of thousands of
degrees of high temperature at the focus, making it possible to process almost all
materials.
Laser marking is the use of a laser beam to inscribe permanent markings on the
surface of various materials. The effect of marking is to expose the deep material by
evaporation of the surface material, or to "etch" the trace by the chemical and
physical changes of the surface material caused by the action of light energy,
showing the pattern and text of the desired etching.
1.2 Laser marking features
a) It can process a variety of metal and non-metal materials, especially for marking
high hardness, high melting point and brittle materials.
B) It belongs to non-contact processing, does not damage the product, has no tool
wear, and has good marking quality.
c) The laser beam is thin, the processing material consumption is small, and the
processing heat affected zone is small.
d) High processing efficiency, computer controlled, easy to automate.
1.3 Product Overview
Fiber laser marking machine is a high-tech product integrating laser, computer,
automatic control and precision mechanical technology.
The marking machine adopts high-performance digital galvanometer scanning
system, which is fast, high precision and can work for a long time. It can be used in
most metal materials and some non-metallic materials such as silicon, rubber, epoxy,
ceramics, marble, etc. to write or make permanent anti-counterfeit marks that are
difficult to copy.
Fiber laser marking machine has good laser optical mode (M2 < 2), small size, stable
and reliable operation, no maintenance, no water cooling system, high
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