HP INCFollow


Temperature control is fundamental for MultiJet Fusion technology and

MetalJet technology. When monitoring temperature using a thermographic

camera (or any other noncontact thermometry technology) it is important to set

the camera emissivity setting to match the optical emissivity of the build material,

otherwise the camera readings will not be correct. In some materials emissivity

may vary from lot to lot and with recycling, it is therefore advantageous to make

the printmode robust to powder emissivity variations. This can be achieved by

controlling the temperature of the top lamps glass via pyrometer measurements.

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