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Automatic Height Calibration
system |
One of the most critical
parameters during dispensing
is the correct offset from
the nozzle to the PCB. The
CDS dispensing systems can
be equipped with a fully
automatic height calibration
systems.
It is possible to program
a measuring grid which covers
the dispense area for each
board type.
Within this defined grid
the system automatically
measures the correct height
before each production run.
the laser and vision based
system avoids damage to
the PCB as it completely
eliminates the need for
having a stand off foot
on the nozzle. Additionally
it allows dispense of dense
dot positions as no space
is required for the stand
off foot. |
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PCB fixtures on stand alone
systems |
Both system platforms
are equipped as standard
with a PCB fixture designed
for single or double sided
boards.
Additional support or bacuum
pins can be mounted. Also
available is a vaccum plate
with an external vacuum
for flexible or sensitive
board fixing. |
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PCB fixtures on stand alone
systems |
Both system platforms
are equipped as standard
with a PCB fixture designed
for single or double sided
boards.
Additional support or bacuum
pins can be mounted. Also
available is a vaccum plate
with an external vacuum
for flexible or sensitive
board fixing. |
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Time/pressure valves |
The time/pressure valve
is ideal for dispensing
adhesives. The liquid does
not get in direct contact
with the valve itself and
reduces the need for regular
cleaning of the valve.
In combination with the
unique feature of height
compensation and the vision
system for automatic dot
sie calibration this valve
is used for precise and
fast applications.
The time/pressure valve
is available either on a
pneumatic(CDS6705) or on
a motor driven, height programmable
Z-axis. |
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| The CDS6700 system platform includes
a mechanically stable x/y system which
is already in use worldwide as the base
for a fully automatic SMD pick and place
system. Avaiety of different valves
can be adapted to fulfil many of today＇s
standard dispensing applications It
is available as a table top, stand alone
or as a single-stage SMEMA inline system. |
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CDS6705 |
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CDS6710 |
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CDS6720 |
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CDS6740 |
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| Application |
|
Adhesives, encapsulation,
potting, sealing |
|
Adhesives,
encapsulation, potting,
sealing |
|
Solder
paste, adhesives, encapsulation,
potting, sealing |
|
Adhesives,
encapsulation, potting,
sealing, dam / fill |
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| Installed
valve(s) |
|
Time/pressure |
|
Time/pressure |
|
1xPositive
Displacement
(Archemedian screw) |
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2x
Time/pressure |
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| Dispensing
types |
|
Dot, not interpolated lines,
curves, circles |
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Dot,
not interpolated lines,
corves, circle |
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Dot,
not interpolated lines,
corves, circle |
|
Dot,
not interpolated lines,
corves, circle |
|
| max. speed
Dot/hour |
|
15000
dots/h |
|
| System
type |
|
table
top or optional stand alone
system |
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| Stand
alone system |
|
Adjustable PCB fixture with
optional support and vacuum
pins |
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| maximum
board size |
|
550x568mm(21.6x22.3") |
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| maximum
dispensing area |
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450x440mm(17.7x15.7") |
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380x400mm(15x15.7") |
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| Inline
System |
|
SMEMA compatible single
stage conveyor |
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| maximum
board size Inline |
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600x548mm(26.3x21.5") |
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| maximum
dispensing area Inline |
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450x400mm(17.7x15.7") |
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380x400mm(15x15.7") |
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| Free height
below PCB(Inline) |
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20mm(0.78") |
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| Standard
features |
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Direct
pick and place data transfer
from ESSEMTEC machines,
Teach In Camera |
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| Options |
|
Welded
steel base, fiducial recognition,
full pattern fiducial recognition,
automatic touchless height
measuring system, automatic
dot size calibration, CAD
data conversion software,
direct pick and place data
transfer from different
suppliers, nozzle and PCB
heating systems, nozzle
cleaning systems |
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| Motor
control system |
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Microstepper
motors on x-y axis |
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Pneumatic
z-axis |
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Microstepper
z-axis |
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Microstepper
z-axis |
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Pneumatic
z-axis |
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| Please
consult the separate available data
sheet for further information |
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Automatic fiducial recognition
software |
An automatic board fiducial
recognition software package
is available. It allows
the machine to automatically
find two board reference
marks. Stretched, shrunk
or skewed boards can be
automatically detected and
the program adjusts the
necessary dispensing coordinates
accordingly. This feature
comes as a standard on all
inline systems, or as an
option an all stand alone
machines.
Two different vision systems
are available, One for standard
fiducials or an extended
version for difficult fiducials
with less contrast. |
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Hot plates for heating the
substrates |
In some cases in conjunction
with the nozzle heating
system, it is necessary
to preheat the substrate.
When encapsulating chips,
the preheat is necessary
to allow a thermal reaction
to prevent voids around
the chips.
It is equipped with a PID
controller which sets and
controls the temperature
precisely. |
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Combined dispensing systems |
| Some applications
require dispensing two or
more products in one process.Examples: |
Dam & fill application |
| To dispense; first
dam around an area
with the material
having a medium viscosity
and then fill that
area using a low viscosity
material, a system
with two dispensing
valves is used(CDS6940) |
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Solder paste and glue application |
| To fulfill on one
system the need for
dispensing solder
paste(ie for prototypes,
small batches or selective
dispensing) and adhesive
dispensing(i.e. for
wave soldering of
SMD components) Two
different valves can
be installed(CDS6930) |
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CAD-conversion |
| The CDSCAD
software allows to automatically
generate dispensing coordinates
from placement files from
any CAD software. |
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CDS6910 |
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CDS6920 |
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CDS6930 |
|
CDS6940 |
|
| Application |
|
Adhesives, encapsulation,
potting, sealing |
|
Solder
paste, adhesives |
|
Solder
paste, adhesives, encapsulation,
potting, sealing, dam /
fill |
|
Adhesives,
encapsulation, potting,
sealing, dam / fill |
|
| Installed
valve(s) |
|
Time/pressure |
|
Positive
Displacement Valve(Archemdian
Screw) |
|
1Time/pressure,
1xPositive Displacement
(Archemedian screw) |
|
2x
Time/pressure |
|
| Dispensing
types |
|
Dot, Line interpolated,
curves, circles, 3-D |
|
Dot,
Line interpolated, curves,
circles,
3-D |
|
Dot,
Line interpolated corves,
circle, 3-D |
|
Dot,
Line interpolated corves,
circle, 3-D |
|
| max. speed
Dot/hour |
|
18＇000
dots/h |
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| Stand
alone |
|
Adjustable
PCB fixture with optional
support and vacuum pins
|
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| maximum
board size |
|
600x568mm(23.6x22.3") |
|
| maximum
dispensing area |
|
500x500mm(19.7x19.7") |
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420x500mm(16.5x19.7") |
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| Inline
System |
|
SMEMA compatible,3-stage
conveyor system for fastest
transfer times,
optional support and vacuum
pins |
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| maximum
board size (Stabdard Cibvetir) |
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400x300mm(15.7x11.85") |
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| maximum
board size (Extended conveyou) |
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400x450mm(15.7x17.7") |
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| Free height
below PCB |
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30mm(1.18") |
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| Standard
features |
|
Full
pattern fiducial recognition
system, Automatic touchless
height measuring system,
automatic dot size calibration,
direct pick and place data
transfer from ESSEMTEC machines,
Teach0In camera, welded
steel base, |
|
| Options |
|
CAD
data conversion software,
direct pick and place data
transfer from different
suppliers,
nozzle and PCB heating systems,
nozzle cleaning systems |
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| Closed
loop control system |
|
Servomotors
with linear encoders for
highest precision(x,y),
Servomotor with encoder
(z-axis) |
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