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August 1999

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Subject:
From:
Kenneth Kirby <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Fri, 13 Aug 1999 11:56:14 -0500
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Hi guys,

I belive a reciprocating fluxer gives you a better deposition and more
control but we offer a low cost system with fixed heads that does a good
job in most applications.

Ken Kirby

                A Product Update from the Wave Solder Team
EconoSPRAY Pulsed Spray Fluxing System

With over 80 units in the field, the EconoSPRAY has been very successful in
our European market. Now Speedline Thermal Systems introduces EconoSPRAY
Pulsed Spray Fluxing System to our global market.

EconoSPRAY will be introduced to the manual machine products: AstraPak and
EPK 1 SMT.  On special request, EconoSPRAY can be ordered for the EPK plus,
Electra and UPK?s.



Features and Benefits

v    Multiple fixed spray nozzle system
v    Low energy mist
v    Minimum moving parts
v    Low maintenance
v    Polyacetal spray nozzles can handle anything from 20% high solids
resin to VOC free?s
v    Hydraulic spray generation
v    Air Purge Switch
v    No Evaporation ? flux composition remains constant
v    Free Standing Controls ? not integrated into machine controls
v    Microcontroller provides LCD and keypad programming for Start / Stop
timing, Spray frequency, duration and pressure
v    Storage for up to six recipe?s

Principle of Operation

     The EconoSPRAY uses the proven hydraulic principle of spray. There is
no reciprocation of the nozzle.  An array of fixed nozzles incorporating
solenoid valves which are switched on and off produce a low energy flux
mist beneath the board.

     Flux liquid is sealed in a container, which is pressurized with gas to
provide the hydraulic pressure.  The pressurized liquid is directed to an
array of low cost spray nozzles. A photocell detects the leading and
trailing edges of the board.  The operator programs the Start and Stop
timing based on the distance between the photocell and the nozzles.

     The pulse spray duration and the frequency of pulses determine the
rate of deposition.  Pulse duration?s as low as 5 milliseconds can be
selected; ensuring the smallest amounts of flux can be deposited.
Conversely pulse duration?s can also be extended to a point where the
nozzles are permanently "on? allowing maximum and excessive amounts of flux
to be applied.  Only the nozzles required for the board width or ?board in
pallet? configuration need to be selected.


Customer Feedback

?Glass plate test show much more even and consistent flux deposition??
?30% savings in flux consumption?"
 ?Vastly superior control of flux application?
?Fluxer downtime has virtually disappeared?
?No overspray from the machine?








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