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See our HT-Series
Systems
for mechanical, wedge driven,
piston pump metering, mixing
and dispensing. |
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ECS-Series Servomotor-Controlled,
Piston Pump Meter/Mix/Dispense Systems
These systems are specifically
designed to degas, meter, mix and
dispense abrasive-filled and unfilled, multiple-component resin
formulations. They handle epoxy, cast urethane, nylon and polyester
materials. Typical applications include open casting,
open potting and
encapsulating, encapsulation of high-voltage ignition coils inside vacuum
chambers, RTM (and/or VARTM) resin
injection of advanced composite
parts and complete
coveyorized systems with mold identification, transfer
conveyors and servo-driven X-Y-Z Axis
(multiple) pour nozzle positioning.
Extremely accurate and fully
programmable, ECS-Series Piston Pump
Systems include state-of-the-art PLCs, accurate temperature control
from room-temperature to 500oF, digital servomotor-control and
coriolis mass flowmeters for closed-loop ratio and flow control.
You can easily select your pour
recipes by name or number at the
LCD or
PC-based operator-interface touchscreen. Setting digital presets for recipes,
including ratio, shot-size, output-rate,
metering pump and mixer temperatures,
plus mixer-speed, can be made
at the touchscreen in seconds. The operator-
interface is menu-driven for easy operation.
ECS-Series systems
optionally include in-line
pressure sensors and precise
volume flow control for critical RTM (Resin Transfer Molding) applications.
In the mold, mixed material flow through the preform is monitored and accurately
controlled to produce virtually void-free RTM composite parts. Output
pressures to 600 PSI can be utilized to penetrate the preform and optionally,
metered and mixed material temperature control to 500oF is available.
Similarly, mixed material output
pressures at the mixer can be controlled at very
low injection pressures for low-pressure RTM and VARTM (Vacuum-Assisted Resin
Transfer Molding) applications.
SolidWorks 3D advanced assembly
modeling software is used to design all of our
metering, mixing and dispensing systems, including these ECS-Series systems.
More Information - See Overview
and the items listed below.
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Blind-Rod
Piston Pumps
Our Blind-Rod pumps include automatic rod-seal lubrication,
which flushes filler particles from the rod before wear and abrasion
occur on critical seal components, even when processing abrasive
aluminum-oxide, silica-sand and glass-type fillers. This means less
maintenance and more high-quality mixed material output. Various
pump sizes match any ratio and output requirement. Supply tanks
can mount on the (top) inlet side of the pump or they can be floor-
mounted with feed lines to the pump. |
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Linear
Digital Servomotor Drives
Linear servomotors drive
the metering pumps' piston
rods. Digital
servomotor-control offers precise and instantaneous linear movement of
multiple piston rods to maintain ratio accuracy and repeatable piston
movement at ±0.02%. Electronically, these high-torque servomotors,
servomotor-amplifiers and the PLC-controller maintain ratio, while
output speeds ramp up and down. This insures that the physical
properties of your finished parts are precisely maintained. |
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Programmable
Logic Controller (PLC) or PC Control
Process variables and presets you enter at the operator-interface are
stored as recipes in the PLC (or optional Flat Panel IBM-PC.) When
a pour is initiated, that part's recipe instructions are passed on to the
servomotor amplifiers, which precisely control linear movement of the
servomotor drives and the pistons. Ratio, shot-size, output-rate, mixer-
speed (unless you require disposable static mixers) and other process
variables for each part are controlled via saved recipes in the PLC or PC.
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Straight
and Curved-Tube
Coriolis Mass Flowmeters
The positive-displacement piston pumps included with our ECS-Series
systems provide extreme accuracy and long service-life, even when
processing abrasive-filled materials. These pumps are driven by
independent servomotors, which are electronically (i.e., digitally) linked.
This insures extremely accurate piston pump position and speed control.
Truly precise ratio control, however, needs to rely and respond to
continuous and near perfect measurement of the actual mass flow from
each metering pump to the mixer. Our optional mass flowmeters,
installed at each metering pump, provide the very best available,
continuous, closed-loop feedback, ratio correction and control. |
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