X3_X4_Series machine.pdf - 第425页
User manual SIPLAC E X-Series 7 Station extensions Software Version SR.601.xx 11/2005 US Edition 7.6 PCB alignment 425 7.6 PCB alignment Item no. 001 196 77-xx PCB a lignment f or sing le conveyo r Item no. 001 196 78-xx…
7 Station extensions User manual SIPLACE X-Series
7.5 PCB barcode scanner Software Version SR.601.xx 11/2005 US Edition
424
7.5.7.5 Positioning along the width of the PCB -
Scanning beam
along
the direction of travel,
PCB barcode scanner 1D
topside
Fig. 7.5 - 8 Positioning along the width of the PCB - Scanning beam along the direction of travel
PCB barcode scanner 1D topside
7.5.7.6 Positioning along the width of the PCB -
Scanning beam
along
the direction of travel,
PCB barcode scanner 1D
underside
Fig. 7.5 - 9 Positioning along the width of the PCB - Scanning beam along the direction of travel
PCB barcode scanner 1D underside
SC Single conveyor
DC1 Dual conveyor, track 1
DC2 Dual conveyor, track 2
SM1 Dual conveyor in Single conveyor mode, track 1
SM2 Dual conveyor in Single conveyor mode, track 2
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PCB dimensions/conveyor LO [mm] RO [mm]
460 mm / SC 3 20
508 mm / SC 3 44
216 mm / DC1 3 24
250 mm / DC1
450 mm / SM1
358
216 mm / DC2 3 3
250 mm / DC2
450 mm / SM2
33
PCB dimensions/conveyor LU [mm] RU [mm]
460 mm / SC 20 3
508 mm / SC 44 3
216 mm / DC1 3 3
250 mm / DC1
450 mm / SM1
33
216 mm / DC2 24 3
250 mm / DC2
450 mm / SM2
58 3
User manual SIPLACE X-Series 7 Station extensions
Software Version SR.601.xx 11/2005 US Edition 7.6 PCB alignment
425
7.6 PCB alignment
Item no. 00119677-xx PCB alignment for single conveyor
Item no. 00119678-xx PCB alignment for dual conveyor
7.6.1 General
PCBs to be processed sometimes have a length to width ratio of 1:2 or worse. This means that
the shorter side of the PCB points in the direction of travel. During travel, such PCBs may twist
slightly and, as a result, the fiducials no longer lie within the PCB vision camera's search window.
In this case, the "PCB alignment" option ensures that these PCBs are realigned precisely at the
stopping position.
If PCBs with recesses in the direction of travel are processed, this may result in different process-
ing positions on machines with mechanical stoppers (HS-50, S-25 HM, F5 HM) and on machines
that monitor this position with laser light barriers (X-series, HF-series, HS-60, S-27 HM). The "PCB
alignment" option ensures that the PCBs are stopped at the same position on all PCB conveyors.
The "PCB alignment" option is available for both single and dual conveyors.
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Fig. 7.6 - 1 PCB alignment
(1) Lifting table
(2) PCB stop
7 Station extensions User manual SIPLACE X-Series
7.7 SIEMENS interface Software Version SR.601.xx 11/2005 US Edition
426
7.6.2 Description of the functions
The PCB is transported into the placement area until the laser light barrier triggers the stop signal
for the PCB conveyor. The lifting table with the PCB stops then moves up into a position in which
the PCB is not yet clamped and can still be moved by the conveyor belts. The two PCB stops are
level with the PCB, and the PCB supports (magnetic pins) are already in contact with the PCB.
The two conveyor belts move the PCB against the PCB stops and align them at the same time.
The lifting table then moves into its top end position, clamps the PCB and releases it from the PCB
stops so as not to affect the placement process. After the placement process, the lifting table and
PCB alignment are lowered and the PCB is moved on.
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7.7 SIEMENS interface
The conveyor interface on the placement machines from the X-series is configured to the SMEMA
standard. It is, however, still possible to use this interface in accordance with the SIEMENS stan-
dard. This is a significant benefit when an X-series machine is to be integrated into older SIPLACE
lines, in which case it would not be necessary to retrofit the older machines to conform to the
SMEMA standard.
Simply configure the conveyor interface of the X-series machines to the SIEMENS standard and
connect the machines using the associated interface cable.
More detailed information can be found in the SIEMENS conveyor interface retrofit instructions",
item no. 00194343-01.