HS50_advance_level 2.pdf - 第116页

07/2002 Editio n Student G uide HS -50 Advanc ed II 4 Pneum atic 14   7 \ SLFDO9 DFXXP 5HIHUHQFH 5XQDQG 9 DFXXP9 DOXHV NOTE Component o n nozz le (30 m bar , tighter t han ope n) eject in ejectio n posi tion…

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Student Guide HS-50 Advanced II 07/2002 Edition
4 Pneumatic
13
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1. Air kiss is applied at placement and reject positions to remove the component from the nozzle.
2. The placement pressure should be set to:
0.15 bar 71x/91x nozzles
0.20 bar 70x/90x nozzles
3. The reject pressure should be set to 0.25 bar.
200
160
120
80
40
0
t
240
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07/2002 Edition Student Guide HS-50 Advanced II
4 Pneumatic
14
 7\SLFDO9DFXXP5HIHUHQFH5XQDQG9DFXXP9DOXHV
NOTE
Component on nozzle (30 mbar, tighter than open) eject in ejection position. No component on
nozzle (nozzle value almost on open) -> optimized pick - up process. Closed vacuum, new pick -
up at once
Seg.
1
Seg.
2
Seg.
3
Seg.
4
Seg.
5
Seg.
6
Seg.
7
Seg.
8
Seg.
9
Seg.
10
Seg.
11
Seg.
12
TYP
914
TYP
914
TYP
914
TYP
914
TYP
914
TYP
914
TYP
914
TYP
914
TYP
914
TYP
914
TYP
914
TYP
914
Vacuum open
Reference run -702, -703, -700, -698,
-
700, -698,
-
700, -698,
-
700,
-
701, -703, -701,
Vacuum open
measured with
component -800, -798, -805, -816,
-
720,
-
810, -730,
-
810,
-
805, -811, -799,
20% vacuum-dif-
ference 32 32 32 33 32 32 33 32 32 32 32
Vacuum closed
measured -863, -864, -863, -863,
-
863,
-
863, -863,
-
863,
-
863, -863, -863,
Vacuum closed
reference run -863, -864, -863, -863,
-
863, -832,
-
863, -863,
-
863,
-
863, -863, -863,
Student Guide HS-50 Advanced II 07/2002 Edition
4 Pneumatic
15
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+5 bar from main
pneumatic unit
+24V+24V
in
out
in
out
+5 bar from main
pneumatic unit
+24V
in
out
other
stopper
in the
machine