Orion Combo 200, User Manual

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Chapter 9: Safety Systems
This laser welder is equipped with a high number of safety system checks to avoid any radiation leaks
from the machine.
Here follow the list of these systems and their functioning description:
1. Resonator shutter
2. Microscope shutter
3. Microscope infrared filter
4. Welding room infrared filter
5. Weld chamber opening (leather strip curtain)
9.1: RESONATOR SHUTTER
Description This device is formed from a small flag controlled by an electromagnet and
it is placed inside the laser resonator. The shutter disconnects the laser
inside the resonator when the welder is in STAND-BY mode.
Purpose The purpose of this device is to prevent the generation of undesired laser
radiation.
Functioning When the power switch is turned on, and key is still not turned on, the reso-
nator shutter is engaged. When the key is turned on the shutter is disen-
gaged. When the key turned off, the shutter is engaged again.
9.2: MICROSCOPE SHUTTER
Description The microscope shutter is a liquid crystal filter (LCD) that dims completely when
a regulated voltage is supplied. It is placed between the 45° mirror and the focus
lens of the microscope. The shutter obstructs the operator’s vision through the
microscope at the precise moment that the laser weld is initiated.
Purpose The purpose of this device is to prevent the operator from exposure to the
visible radiation light flash that may result from the weld being formed. This is
second of three safety systems in place that are working each and every time a
weld is made.