Protecto_Serie_EN - 第7页
7 Greatest possible process reliability with innov ative options When it comes to coating, one thing is essential: precision. Protecto systems ar e designed to ensure that the requir ed volume of coating is always evenly…
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The application determines the equipment
Variety of coating applicators
We have the right equipment for every individual process.
Our broad portfolio of paint applicators allows a variety of
applications. Both proprietary developments come into play
as well as applicators from suppliers who have already es-
tablished themselves in the market. Various options such as
material needles, patented two-material nozzles and material
warmers, are available for the respective applicator. Thus,
the plant equipment can be selected using a wide range of
different accessories that provides the best combination of
cost-effectiveness and process performance.
All technical data is dependent on the application material and does not claim universal applicability. Specic parameters shall only be regarded as binding on
the basis of a material test.
Application process
Track width
Max. component
height
Application speed
Viscosity
Min. dosage
Repeatability
Ø Nozzle
Jetting, Dispens-
ing, Spraying
0,5 – 12 mm
100 mm
10 – 500 mm/s
1 – 10.000 mPas
> 3 nl
> 97 %
2,4 mm
Dispensing,
Spraying
2 –12 mm
100 mm
10 – 500 mm/s
1 – 150.000 mPas
0,002 ml
> 99 %
variable
Curtain Coating
3 – 20 mm
60 mm
200 – 800 mm/s
≤ 100 mPas
–
> 99 %
12 mm
Volumetric dosing
0,25 – 5 mm
variable
10 – 70 mm/s
1 – 500.000 mPas
0,001 ml
> 99 %
variable
Volumetric dosing
1 – 8 mm
variable
10 – 70 mm/s
1 – 500.000 mPas
0,01 ml
> 99 %
variable
Rehm VarioJet
System
Piston return
valve
Rehm VarioFlex
Curtain Valve
Auger doser 2K System
XP XC XP XP XPXP XC
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Greatest possible process reliability
with innovative options
When it comes to coating, one thing is essential: precision.
Protecto systems are designed to ensure that the required
volume of coating is always evenly applied, whether
through a pressure valve, a cartridge or a pump from the
original container. Automatic needle measurement checks
the target position of the applicators in freely denable
cycles and if necessary corrects the coating program au-
tomatically. The dispensing of the lacquer is controlled by
the software, which loads the appropriate coating program
with the suitable lacquer and nozzle type. An optional heat-
ed nozzle keeps the protective coating always at a constant
temperature and thus a consistent viscosity regardless of
environmental conditions. A specially developed lacquer
lance with a level indicator prevents bubble formation when
changing the lacquer.
For absolute process reliability Protecto systems are
optionally equipped with a ducial camera. This means the
coating program can be corrected and coated in the correct
positionby registering the marks even if a board is laid into
the flight bar inaccurately. A barcode checks whether the
set coating program is right for the assembly in place. If
there is a deviation the process is automatically blocked.
A high-precision weighing cell is optionally available for the
Protecto systems, which compares the weight of the paint
applied by any given applicator with a previously dened
setpoint value and provides the user with corresponding
feedback in the setup mode as well as cyclically during
series production. As a result, errors in the fluid circuit can
be easily and efciently detected, and eliminated without
delay. The acquisition of weight data, as well as congu-
ration and adjustment, are software controlled and can be
individually adapted.
1. Needle measuring cross with auto-correction, 2. Jetter-heating, 3. Fiducial camera (Screen overview), 4. Weighing cell
1.
3.
2.
4.
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More than “just” coating
Application possibilities with ProtectoXP/XC
Dam & Fill allows individual areas to be selectively
coated on the circuit board, thereby efciently protect-
ing them. Two materials with different viscosities are
used for this purpose. First, a dam is placed around
the component to be protected with a highly viscous
material. If a UV-curing material is used, this can be
cured directly using a suitable UV spot (only XP). Sub-
sequently, the component can be cast in the same
operation with a low-viscosity material.
In this process, a 1K or 2K (only XP) material is ap-
plied to a component such that a continuous and uni-
form sealing loop is produced. Volumetric applicators
(only XP) are particularly suitable for this purpose.
A Globe Top is used to protect a selective area on
the circuit board. For this purpose, a material is used
which, on the one hand, is fluid enough to securely
encapsulate all the components involved, but on the
other hand, is not so low in viscosity that it flows
onto adjacent components.
Dam & Fill / 3D-Application
Sealing
Globe Top
With the Protecto systems, completely new application
elds are emerging – even outside of the conformal coating
sector. Thanks to the highly flexible system construction,
you can use ProtectoXC to combine for two and ProtectoXP
for four processes within one machine. In addition to
sealing the entire circuit board, partial areas or individual
components can also be coated on the support. From the
“Globe Top” to “Dam & Fill” to the “Flip Chip Underll”; diverse
applications arised. With innovative nozzle technology, the
user can apply a wide variety of materials to the module – so
each product will be optimally protected later according to
the requirements.
XP XC
XP XC
XP XC