00197723-12_UG_SE3.11_EN.pdf - 第106页
5 Using the SMA SMA Guide SIPLACE Explorer Edition 11/2020 EN from 3.11 (R20-2) 106 5 5 5 Dropped – Component s that are dropped during a reference run – Component s that are dropped by the teaching of the component shap…
SMA Guide SIPLACE Explorer 5 Using the SMA
from 3.11 (R20-2) Edition 11/2020 EN
105
5.12 Calculating the Reject Rate
5
Component category Description
Column name of the OIS
database table CompDetail
Consumed Count of every pickup retries:
Every feeder transport, without
manual feeder transports
sAccessTotal
Placed Placed components sPlacedComponents
Wasted Sum of pickup retries minus sum
of placed components
sAccessTotal - sPlacedComponents
Pickup Error Pickup (Absence after pickup)
without error, that are already
considered by TrackEmpty and
sPickupRetries
sAbsenceAfterPick
<not displayed
separately, see the Other
category>
Succeeding pickup errors
causing a Track Empty error (the
track will be deactivated)
sTrackEmpty
<not displayed
separately, see the Other
category>
N succeeding pickup errors at
the same track that cause no
TrackEmpty error
sPickupRetries
Ident error Ident errors caused by machine
handling errors
sIdentError
Rejected Sum of pickup errors and ident
errors
sAbsenceAfterPick + sIdentError
Material defect Coplan or material errors
detected by the vision system
causing component rejects
sComponentMaterialDefect
Absence before
Placement
Component is not on the head
nozzle before placement
sComponentAbsenceBeforePlacing
Presence after
Placement
Component is on the head
nozzle after placement
sComponentPresentAfterPlacing
Treatment Error Components that have been
rejected during the process step
of dipping or gluing
sTreatmentError
Placement Process Error Sum of the last three categories sComponentAbsenceBeforePlacing +
sComponentPresentAfterPlacing +
sTreatmentError
Tab. 5 - 1 Calculating the reject rate
5 Using the SMA SMA Guide SIPLACE Explorer
Edition 11/2020 EN from 3.11 (R20-2)
106
5
5
5
Dropped
– Components that are
dropped during a
reference run
– Components that are
dropped by the teaching
of the component shape
– Components that are
dropped by teaching the
pickup position
– Components of the same
type that are still present
at the nozzle head after a
TrackEmpty error
succeeding an ident error
sDroppedError
Other Calculated as described in the
right column
sAccessTotal - sPlacedComponents -
sAbsenceAfterPick - sIdentError -
sComponentMaterialDefect -
sComponentAbsenceBeforePlacing -
sComponentPresentAfterPlacing -
sTreatmentError - sDroppedError
- oder -
sTrackEmpty + sPickupRetries
Component category Description
Column name of the OIS
database table CompDetail
Tab. 5 - 1 Calculating the reject rate
SMA Guide SIPLACE Explorer Glossary
from 3.11 (R20-2) Edition 11/2020 EN
107
Glossary
Terms and Abbreviations
A 5
Availability % 5
The availability of a station is a value permitting an assessment of the "technical quality" of the
station and the placement/gluing process carried out thereon. Organizational or structure-re-
lated downtimes must not have any impact on the availability. The availability of a station is cal-
culated as follows: 5
Availability station [%] = 100 x (1 - (Tat / Tb)) 5
Tat = machine-related technical downtimes, e.g. unidentified reason, fiducial error, general ma-
chine malfunction, transport error, barcode reading error. 5
Tb = total operating time of the machine, or time basis for the evaluation period. 5
B 5
Blocked 5
Waiting until output conveyor/center conveyor is clear. 5
Build Time 5
Build time = End of board processing in the processing zone - Start of board processing in the
processing zone 5
C 5
Component Sum 5
Component Sum = (Sum placed Components + Sum errors) 5
CPH 5
Component per hour 5
CPH = (Component Sum / Evaluation Time) 5
D 5
Downtime 5
The sum of Scheduled and Unscheduled Downtime 5