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Nordson EFD has introduced the 7160RA Valvemate controller. The controller is claimed to provide an intuitive way to program Nordson EFD’s 782RA internal radial spray valve and 7860C-RS radial spinner system.

Valvemate controller

The Valvemate 7160RA controller enables users to make on-the-fly adjustments for radial spray or radial spinner system applications. Spray or dispense valve open time can be adjusted in increments as small as 0.001 seconds. For radial spray installations only, an air pressure regulator provides low-volume, low-pressure (LVLP) air to the nozzle, providing a high transfer efficiency without overspray. The result is an excellent spray pattern definition without time-consuming programming or mechanical adjustments that could shut down the production line.

Nordson EFD’s 782RA precision spray valve produces a narrow radial output suitable for coating the interiors of cylinders using a rotating air cap. LVLP technology enables uniform coatings of lubricants, primers and other low- to medium-viscosity fluids.

Similarly, radial spinner systems apply consistent bands of low- to medium-viscosity fluids, such as lubricants, solvents and silicone oils. During operation, the system dispenses a controlled amount of fluid onto a spinning disk. As the fluid leaves the edge of the disk, it is evenly distributed onto the production part.

Key features and benefits

  • The 7160RA Valvemate controller’s microprocessor circuitry provides exact time control of the dispense cycle with an improved user interface.
  • According to Claude Bergeron, Nordson EFD global product line manager, Valvemate controllers provide the primary control of the deposit size. He added that they bring fluid dispensing control close to the dispense valve and provide numerous user-friendly features that simplify valve setup and operation, maximising automated assembly machine efficiency and convenience.
  • When paired the 782RA precision spray valve is paired with the Valvemate 7160RA’s built-in air pressure regulator, specially atomised nozzle air ensures high transfer efficiency without overspray. Instant fluid cut-off at the end of the spray cycle ensures that coatings are applied evenly from start-up to shutdown.
  • When a radial spinner system is controlled by the Valvemate 7160RA, the process combines precision with convenience to facilitate radial dispensing applications.

Nordson EFD designs and manufactures precision fluid dispensing systems for benchtop assembly processes and automated assembly lines. By enabling manufacturers to apply the same amount of adhesive, lubricant or other assembly fluid to every part, every time, EFD dispensing systems are helping companies in a wide variety of industries increase throughput, improve quality, and lower their production costs. Other fluid management capabilities include high-quality syringe barrels and cartridges for packaging one- and two-component materials, along with a wide variety of fittings, couplers and connectors for controlling fluid flow in medical, biopharmaceutical and industrial environments. The company is also a leading formulator of specialty solder pastes for dispensing and printing applications in the electronics industry.

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