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...true digital control handles
all of your process variables,
to make your work easier!
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Advanced Process Technology, Inc.
Primarily, we design and manufacture high-performance
metering, mixing and dispensing equipment
for continuous output and shot output of
plural-component, castable formulations.
We've
handled a wide variety of digital resin process control applications that have provided
our system technicians and automation
technology people key experience in state-of-the-art PLC/PC,
flow data and ratio control technologies.
How can we
help you?...
For over thirty years, APT has helped
cast urethane, epoxy, nylon and polyester resin processors meet hundreds of
machine-process and laboratory requirements for open-casting, bottom-filling, closed-mold
mixed-material injection, vacuum-potting in vacuum chambers, resin transfer molding (RTM)
and resin bath-filling for filament-winding applications.
Our systems provide resin processors
with the ability to enter digital presets and to easily select pour recipes at an
operator-interface control panel to cast and mold products with true digital
repeatability. Your finished parts can have precise, preset, physical properties.
What that means to you is that you can have QC control just before it's made, far less
scrap, far more accuracy and increased profit.
APT's SRD- and ECS-Series mixing
machines provide the process variable controls needed to handle your most demanding
application requirements, most notably precise,
metered-resin flow control. Closed-loop resin flow control insures consistent,
on-ratio parts production.
These systems optionally include state-of-the-art,
straight-tube, coriolis mass flowmeters for closed-loop feedback ratio control, PLC or
Flat-Panel IBM-PC control and continuous material recirculation together
with servomotor-controlled
gear or piston pump metering
systems. Combined, these essential items give you ...
- Accurate,
digital control of all process variables
ratio, vacuum,
temperature, output- rate, volume-displacement, pressure in the mold and mixer-speed
to make your most difficult jobs easy.
- Saved process-control recipes
can be selected by
part number or name to insure part-to-part repeatability.
- Unmatched ratio-change versatility with simple, pushbutton-presets
no need to change gears and no need for mechanical adjustments.
- Material
recirculation
to insure homogenous material temperature
control throughout the system's tanks, lines, metering pumps, mixer and back to the tanks.
- Alarmed
(over/under setpoint) ratio verification
stops scrap before
it's made for instantaneous QC control.
Quality control is what these systems
from APT are all about:
Save time and money by eliminating operator error and guesswork. APT's
digital process control cuts resin waste and rejects. Now you can meter, mix and
dispense on-ratio, air-bubble-free material to your molds with PLC-controlled and coriolis
flowmeter verified, digital accuracy.
To
eliminate air-bubbles and voids, we can provide you with:
- Continuous thin-film degassing and continuous delivery of precisely
heated and agitated materials to the mixing machine. You can heat, agitate and
vacuum degas your resin materials in our APT batch preparation tanks or
degas on-the-fly in our Continuous Thin-Film Resin Deaerators at up to 40 lbs/min.
- The ability to vacuum cast air-free materials into air-free mold cavities inside
one of our standard or custom-designed vacuum chambers.
Vacuum-casting is typically reserved for electrical and electronic potting and
encapsulating, where the mixed-material pot life is long enough to accommodate this
process. Also, for RTM parts, where the preform
needs to be injected with mixed resin at up to 600 PSI, while vacuum is maintained on the
mold.
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