三星 SM421 校正.pdf - 第124页
Samsung Component Placer SM421 Administrator ’ s Guide 50ms (V ac off) 10 Z 10ms (Blow ON) 10 Z …
7-9
Vacuum Off <
sec (10 msec)
7-6. Graph of “Pick-Up Delay Time” Graph
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1)
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2) : m
7-7. Graph of “Delay Time during Placement”
Place 50, Vac OFF 10, Blow ON 10
(Place) Z Z
Samsung Component Placer SM421 Administrator’s Guide
50ms
(Vac off) 10 Z 10ms
(Blow ON) 10 Z
(Blow ON) Vac off
1608
Z
headPCB
3
3 10ms 20ms
7-10
7-11
Fine Pitch QFP
Z PCB
PCB
Vac off
off
Vac 1
Pitch
Fine Pitch 1
Va c off 4 20~
3
1
0%
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<Dump Blow On>
Vacuum Off Blow On
msec 10 msec
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(Pickup), (Place), (Dump)