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REMOVING THE PRINT CAKE FROM THE PRINT CHAMBER
The print cake can be removed from the print chamber either before or after it has finished cooling.
CAUTION: Do not begin breakout of the parts from the print cake until the cooldown stage is complete . The
temperature must be no higher than 85 °C . The print cake can remain extremely hot for hours after a build . To
prevent burns, allow sufficient time for cool down (up to 24 hours without the nitrogen lid) before removing
parts from the print cake . The temperature of the print cake can be tested using the thermocouples in the
breakout area of the MQC system .
Where to Cool Down the Print Cake
If you cool down the print cake inside the print chamber, wait until the print cake reaches its final cooldown temperature of
no more than 85 °C . If you choose to let the print cake cool down outside the print chamber, you can take it to the ProX® MQC
System and either let it cool down normally or use the nitrogen cooling lid on the side of the ProX® MQC System .
To use the nitrogen cooling lid, do the following:
•
Immediately after placing the hot print cake in the breakout area of the ProX® MQC Single Use System, place the nitrogen
cooling lid onto the print cake cylinder . Then . . .
•
use the cooling lid to do a controlled cooldown for a programmed amount of time (the default is 3 hours), or until a
programmed temperature is reached .
•
let the print cake cool down without the nitrogen flow.
Unloading the Print Cake After a Print
After a print and before part breakout, you must remove the print cake from the print chamber and transport it to the ProX®
MQC System .
To remove the print cake:
1 . Turn off the chamber lights .
2 . Open the outer door of the print chamber .
3 . Unlatch and open the inner print chamber door .
4 . Raise heaters .
5 . Remove the Laser Window by turning it counterclockwise ¼-turn and pulling it out of the top of the chamber . Put it in a safe,
clean location and clean it before reinstalling it into the print chamber .
6 . Press the red Laser Window Baffle Plug into the top of the chamber (see photo).
3D Systems, Inc.
28
p/n 76-D020 Rev. A
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