Sinterit LISA X User Manual | 33
11. Powder refreshment
Powder refreshment is a process that restores the initial properties of the powder that is recovered from the printing.
IMPORTANT!
• Every SLS powder recovered in the printing process requires sifting.
• Not every SLS powder recovered in the printing process requires adding fresh powder.
• For detailed information please refer to the specications of the specic SLS powder. You can
nd them on our website www.sinterit.com.
IMPORTANT!
Information about how much fresh powder needs to be added in the refresh process will be
displayed on the printer screen after the printer cleaning step and also generated in a report from
Sinterit Studio.
ATTENTION!
Always wear appropriate personal protective equipment when working with powder: clothing,
goggles, mask, and gloves. You will nd a suitable kit in the Dedicated Powder Tools package.
11.1 POWDER REFRESHMENT WITH PHS
IMPORTANT!
If the SLS powder you recovered from the printing process does not require adding fresh powder,
skip steps 3-7.
1. After the PHS has nished sifting the powder, remove the metal container from the PHS sifting module.
2. Insert an empty metal container into the sifting module.
Adding
fresh powder
3. Prepare an appropriate portion of fresh powder.
4. Add prepared fresh powder to the sifted powder in the metal container.
5. Close the metal container with the lid and lock clamping ring.
6. Shake the metal container with the powder for at least 15 seconds to mix the powders.
7. Wait a moment for the powder in the metal container to settle. Open the metal container.
8. Place the powder funnel (from Dedicated Powder Tools) over the metal container and lock the clamping ring.
9. Pour the mixed powder onto the PHS worktop above the powder chamber.
10. Press the DEPOWDERING button on the PHS control panel.
11. Make sure the HOSE A is connected to the vacuum cleaner.
12. Press the DEPOWDERING button again on the PHS control panel.
13. CHECK POWDER CONTAINER starts ashing. Open the door and make sure that the metal container is in its place
and it is empty.
14. Close the PHS door.
15. Wait until all the powder is removed from the powder chamber.