5TROUBLESHOOTING_.pdf - 第156页

4.3 Troubleshooting for Placement Errors 4.3 . 2.2 No Component Placement Marks at Specified Positions on P . C . B . Lands START NG Nozzle Up / Down Movement OK Cleaning OK No Marks on Glue NG Setting of P . C . B . Hei…

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4.3
Troubleshooting
for
Placement
Errors
4.3
.
2
Symptom
-
Based
Troubleshooting
4.3
.
2.1
Component
Placement
Marks
at
Specified
Positions
on
P
.
C
.
B
.
Lands
Marks
are
left
,
indicating
that
a
component
was
placed
on
the
paste
applied
to
the
specified
positions
on
the
lands
.
START
NG
irty
Vacuum
Filter
or
Defective
Atta
NG
Component
Library
Data
chment
Cleaning
,
Replacement
,
or
Repair
Correction
OK
OK
<
^
Setting
of
P
.
C
^
^
>
NG
Setting
of
Flow
Rate
for
Air
\
Blowing
/
NG
Setting
Correction
OK
OK
NG
Setting
of
Air
Blow
Pipe
NG
Vibration
during
P
.
C
.
B
.
Positioning
Correction
OK
Re
-
Setting
OK
NG
<
C
^
Pa
^
Ad
^
s
^
^
>
-
NG
Replacement
OK
Improvement
OK
)
END
4
-
15
9910
-
001
ACP
01
EERW
4
-
15
4.3
Troubleshooting
for
Placement
Errors
4.3
.
2.2
No
Component
Placement
Marks
at
Specified
Positions
on
P
.
C
.
B
.
Lands
START
NG
Nozzle
Up
/
Down
Movement
OK
Cleaning
OK
No
Marks
on
Glue
NG
Setting
of
P
.
C
.
B
.
Height
NG
Silicon
Hose
Damage
or
Collision
Correction
OK
Replacement
or
Repair
OK
NG
P
.
C
.
B
.
Height
Data
NG
Correction
Constraint
Loai
of
Top
Block
OK
Setting
OK
NG
Component
Library
Data
NG
Correction
lovement
of
Top
Block
Lever
OK
Correction
OK
NG
Head
Vacuum
NG
Cam
Follower
of
Top
Block
Repair
OK
Replacement
OK
NG
Looseness
of
Head
NG
Linear
Guide
of
\
Head
/
OK
Repair
Replacement
OK
)
END
4
-
16
9910
^
001
ACP
01
EERW
4
-
16
4.3
Troubleshooting
for
Placement
Errors
4.3
.
2.3
Positional
and
Angular
Deviations
of
Component
Placement
c
START
NG
Clogged
Hole
of
Nozzle
Positional
Deviation
[
Cleaning
|
OK
NG
Angular
Deviation
Dirty
Nozzle
|
Cleaning
|
OK
NG
Looseness
of
Head
[
Repair
|
OK
NG
lozzle
Up
/
Down
'
Movement
.
Cleaning
1
Silicon
Hose
Damage
or
Collision
.
NG
OK
Replacement
or
Repair
OK
NG
Setting
of
P
.
C
.
B
.
Height
Correction
OK
NG
Constraint
Loa
(
of
Top
Block
|
Setting
|
NG
P
.
C
.
B
.
Height
OK
Data
Correction
OK
NG
Movement
of
Top
\
Block
Levers
1
Repair
|
OK
NG
Component
Library
Data
Correction
NG
OK
dam
Follow
》
of
Top
Block
.
Replacement
OK
NG
Head
Vacuum
NG
|
Repair
|
OK
Linear
Guide
of
\
Head
Replacement
OK
)
END
4
-
17
9910
-
001
ACP
01
EERW
4
-
17