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1.1 General Information
This manual is the designated user guide for the installation, setup, safe operation, and maintenance of
your desktop laser engraver. It is divided into six chapters covering general information, safety instructions,
installation steps, operation instructions, maintenance procedures, and contact information.
ALL personnel involved in the installation, setup, operation, maintenance, and repair of this machine should
read and understand this manual, particularly its safety instructions. Some components are extremely
high voltage and/or produce powerful laser radiation. Substandard performance and longevity, property
damage, and personal injury may result from not knowing and following these instructions.
The Polar 350 works by emitting a powerful laser beam from a glass tube filled with carbon dioxide (CO₂),
nitrogen, and insulating gases; reflecting that beam off three mirrors and through a lens; and using this
focused light to etch designs into certain substrates. The active laser is invisible to the human eye. This
device should never be used while any cover or access panel is open to avoid potentially permanent injury.
When its pass-through is used, care should be taken to avoid possible reflective rays.
The laser tube typically travels along the Y axis during engraving. The first mirror is fixed near the end of
the laser tube, the second mirror travels nearby, and the third mirror is attached to the laser head that
travels along the X axis. The first and second mirrors are located within a protective housing but, because
dust from the engraving process will settle on the 3rd mirror and focus lens, they require frequent cleaning.
With low intensity use, the provided laser tube has an average lifespan around 10,000 hours before
requiring replacement. However, constantly running your laser above 70% of its maximum rated power
can significantly shorten its service life. It is recommended to use settings from 10–70% of the maximum
rated power to enjoy optimal performance and longevity.
The integrated water cooling system must be used with this engraver to dissipate the heat produced by
the laser tube. Similarly, the provided exhaust system must be used in conjunction with an external vent
or dedicated air purifier to remove the dust and gases produced by the engraving process and ensure
compliance with laws and regulations for workplace and environmental air quality. Never operate the
engraver without both of these systems operating properly.
Note that this device broadcasts signals in the radio spectrum as part of its wireless connectivity. Special
shielding or equipment may be necessary to minimize interference with emergency & licensed broadcasting,
particularly in residential areas.
INTRODUCTION
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