Nordson: Extremely precise, repeatable micro fluid dispensing

1The pneumatic non-contact dispensing systems P-Jet and P-Dot controllers jet low- to high-viscosity fluids with great precision and repeatability. They are designed for use in many types of applications and multiple industries including

  • automotive,
  • electronics,
  • aerospace,
  • and medical.

Benefits of the P-Jet include dispensing frequencies of up to 280 Hz with dispensable volume starting at 3 nl.

Both the P-Jet and P-Dot feature exchangeable nozzles and dispensing tappets to adapt to different kinds of applications. Both are easy to use and maintain featuring wetted parts that are separate from the actuator. They require low voltage of 24 V and maximum fluid pressure of 87 psi (6 bar) to operate, which are important when evaluating safety considerations. In addition, the valves can be easily integrated into production lines.

Pneumatic non-contact dispensing technology benefits include:

  • Time savings due to easier positioning of the part and high dispensing frequency and accuracy
  • Reduced part damage and contamination due to there being no contact with the part
  • Uniform fluid deposits independent of part topography and surface structure
  • Easy, safe adjustment of dispensing volumes
  • Process control

The P-Jet dispenses low- to medium-viscosity fluids such as solvents, oils, greases, silicones, paints, and fluxes in beads and lines. Common applications include filling, potting, sealing, and coating.

The P-Dot dispenses higher viscosity fluids such as adhesives, lacquers, oils, greases, silicones, and fluxes in dots, beads, and lines. Attaching very small electronic components (SMD parts) onto printed circuit boards and substrates is a good application example.

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