3D Systems sPro, User Manual

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SLS p r o c e s s 2 2 5 B O S
u s e r ’ s g u i d e B O S o p e r a t i n g s t a t e s
Waiting for IRS
The BOS enters the Waiting for IRS state from the
Xfer to Sifter state when the:
✓
Sifter is full (sifter level sensor on; there’s
powder to send)
✓
POWDER TRANSPORT switch is set to
RECYCLE
It stays in this state and waits for the IRS to send a
request for powder. When the BOS receives a
request, it enters the
Recycling Powder state and
sends the load of powder to the IRS.
Recycling Powder
The BOS enters the Recycling Powder state from
the Waiting for IRS state when the:
✓
Sifter is full (sifter level sensor on; there’s
powder to send)
✓
POWDER TRANSPORT switch is set to
RECYCLE
✓
BOS receives a powder request from the IRS
The BOS remains in the Recycling Powder state
while there’s powder to send. After the sifter stays
empty for more than 2 minutes, the BOS changes
to the
Stopping state, then the In Standby state.
Disposing Powder
The BOS enters the Disposing Powder state from
the Xfer to Sifter state when the:
✓
Sifter is full (sifter level sensor on; there’s
powder to send)
✓
POWDER TRANSPORT switch is set to
DISPOSAL
Waiting for IRS
Waiting for IRS state display
Recycling Powder
Recycling Powder state display
Disposing Powder
Disposing Powder state display