Bench-top fluid dispensing: Easy when you know how
Manual
handheld, semi-automatic and automatic represent the three dispensing
methods for adhesive dispensers. These methods can used in many
industries such as Electronics assembly, Medical device manufacturing or
Aerospace. The success of the adhesive dispensers relies heavily on
making the right choice of equipment and consumables to suit each
application.
Versatility with cost advantages - Syringes
Whether
powered manually or pneumatically, simple time/pressure adhesive
dispensers offer a versatile, low cost solution to adhesive dispensing.
From their modest beginnings as adhesive dispensers, syringe barrels
have evolved into precision engineered products designed to offer the
accuracy, repeatability and stability required during manufacturing.
For
pneumatically powered applications, a quick and clean connection
between the syringe barrel and time/pressure adhesive dispensers is
possible due to the development of receiver head assemblies that
comprise a syringe barrel receiver head, O-ring seal, pneumatic tubing
and quick-connector. Similarly, for manual syringe barrel dispensing,
simple, lightweight barrel applicator guns are also available which can
provide excellent, drip-free control for medium/high viscosity products.
Rising to any challenge - Valves
For
more demanding applications, valve-based adhesive dispensers can range
from simple pinch tube adhesive dispensers to encoder controlled rotary
feed screws (augers).
Pinch
Tube Dispense Pen and Valve adhesive dispensers offer a simple
introduction to valve-based adhesive dispensers. Pinch tube adhesive
dispensers feature a mechanism which releases a pinched tube when the
operator presses the actuator. Capable of controlled shot size and flow
rate, gravity or pressure fed, these valves can be used to dispense
fluids ranging from 1 to 45kcps viscosity, such as cyanoacrylates,
anaerobics and two-part adhesives.
Diaphragm
valves incorporate in adhesive dispensers are designed without seals
for moisture sensitive fluids to accurately dispense low to medium
viscosity materials (1 to 50kcps) over a wide range of shot and bead
sizes. Adhesives typically dispensed with adhesive dispensers via
diaphragm valves include cyanoacrylates, anaerobics and, UV-cure
adhesives.
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