Thermal paste dispensing with METER MIX® Systems

PAR 2EH

Gap Filling

Specifically developed to meet the increasing demand for dispensing small shots of homogeneously mixed two-part, highly abrasive materials, the PAR 2EH incorporates Tungsten Carbide-hardened wetted parts with mechanically linked rod-displacement metering pumps to provide precise dispensing of micro shot sizes down to 0.04ml. This is combined with the added benefit of electric servo drive speed and shot size control. The system is an ideal solution for gap filling and potting processes, where thermal interface materials are applied to transfer heat away from the component.

The PAR 2EH provides reliable, proven fixed-ratio metering control during dispensing, and its compact design allows it to be mounted directly onto an articulated robot for accurate point of application dispensing. The PAR2EH can also be interfaced with automated systems for fully or semiautomatic applications. Incorporating robust and proven metering and mixing principles, the advanced PAR 2EH embodies the perfect solution to many small shot applications. Typically, this system is supplied with drum unloading transfer pumps for larger volume production.

Applications

  • Electronic Potting
  • Component Bonding
  • Sealing

Materials

  • Polyurethane
  • Epoxy
  • Silicone

Technical Data

  PAR 2EH
Metering pumps Single acting rod displacement
Ratio range capability 1:1 to 5:1 (depending upon pumps selected)
Viscosity acceptance Up to 1,000,000 mPa.s
Shot size Available from approx. 0.04ml up to 7.96ml at a ratio of 1:1 by volume
Cycle rate Up to approx. 6 shots per minute (depending upon viscosity)
Mixing Disposable Static
Reservoir capacity Pressurized 600ml plastic cartridges

Standard features

  • Robot mounted machine (typical application)
  • Twin injector feed valves with Diamond coated spools
  • Machine mounted mixer valve with diamond coated spools
  • “Metered shot” and “Robotic controlled” shot size selection
  • Automatic shot size control
  • Service indicator lamp
  • Controls:
    • Integrated PLC control with colour HMI touchscreen operator interface
    • "Recipe” function with up to 50 programmable flow rate and shot size parameters
    • Main Off/On switch
    • Emergency Stop & Reset buttons
    • Anti-gel automatic purge timer
    • Foot pedal or remote robot start options available
    • 230V/50Hz or 110V/60Hz AC electric supply + compressed air @ 80 p.s.i.

Available options

  • Digitally controlled heating
  • Stainless steel wetted parts to protect against corrosion
  • Bulk transfer pump & accumulator feed facility directly from supplier containers

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