getting started
18
Synrad
Series 48Series 48
Series 48Series 48
Series 48 operator’s manual
Connecting
Water-cooled connections
Read Guidelines for cutting and installing tubing before installing any cooling tubing and then make sure to
connect the cooling system exactly as described for your particular laser.
Guidelines for cutting and installing tubing
■ Cut tubing lengths generously to allow for trimming.
■ Cut tubing squarely; diagonal cuts may not seal properly. Trim away any burrs if the cut is “ragged”.
■ Avoid excessive stress on fittings by creating a gentle radius when bends in the tubing are close to
fittings. Bending tubing too sharply will compromise the sealing properties of the fitting.
■ Never allow the tubing to kink, since kinking severely restricts coolant flow.
■ Push tubing completely into the fitting, then pull the tubing to verify that it is locked into place.
Tubing extends into the fitting approximately 7/8 of an inch.
■ If tubing must be disconnected from a fitting, first push and hold the tubing slightly into the fitting.
Next push the white fitting ring evenly towards the fitting, and then pull the tubing free.
■ After disconnecting tubing from a fitting, trim 1/2 inch from its end before reconnecting. Trimming
the end of the tubing before reconnecting the fitting provides an undisturbed sealing surface.
Laser cooling fittings
If your integrated laser application uses metric cooling tubing, we recommend the installation of tubing
adaptors to convert 48-1/48-2 cooling kit fittings from 1/4 inch tubing to 6 mm metric tubing. For 48-5
cooling kits, convert the 3/8 inch tubing to 8 mm metric tubing. These tubing adaptors are available
from many tubing and fitting manufacturers.
Setting coolant temperature
Note: SYNRAD recommends that the laser’s cooling fluid contain no less than 90% water by volume.
In applications where biocides containing chlorides are used, concentrations should not exceed
25 parts per million (PPM).
Choosing the correct coolant temperature is important to the proper operation and longevity of your
laser. When coolant temperature is lower than the dew point (the temperature at which moisture
condenses out of the surrounding air), condensation forms inside the laser housing leading to failure of
laser electronics as well as damage to optical surfaces.
Caution
possible
equipment
damage
Operating the laser at coolant temperatures above 22 °C (72 °F)
may result in decreased performance and/or premature failure of
electronic components.
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