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Automated Precision Dispensing: How Coherix 3D VAC Controls Adhesive Bead Volume

Bead Volume Control

When it comes to adhesive and sealant dispensing, precision isn’t a luxury—it’s a requirement. Yet manufacturers often struggle with inconsistent bead volume due to shifting conditions in temperature, humidity and material properties. The result? Rework, scrap and unexpected downtime that eats into your bottom line.

Coherix 3D Volume Adaptive Control (VAC®) changes that—automatically.

 

Volume Control You Can Trust

VAC is transformative solution in automated process control. It continuously monitors the bead being dispensed and adapts the volume. That means every part receives the specified volume of material.

This isn’t a simple feedback loop. VAC uses a proprietary characterization process to learn the unique dynamics of your dispensing system. From there, it applies predictive control to stay ahead of variations—ensuring consistent results even as dispensing conditions change over time.

 

Why It Matters

The benefits of Coherix 3D VAC go beyond accuracy:

  • Fewer maintenance issues: By compensating for gradual changes in material viscosity or equipment wear, VAC reduces the need for manual intervention.
  • Less unplanned downtime: Detect and correct inconsistencies before they cause problems.
  • Lower labor costs: Free up skilled workers from routine monitoring and adjustments.
  • Better product quality: With tighter control comes more consistent, reliable output.

 

Let the System Adapt for You

VAC isn’t just about automation—it’s about confidence. Confidence that your line is running smoothly. Confidence that your parts are within spec. And confidence that your team can focus on higher-value tasks while the system self-corrects in the background.

Ready to automate accuracy?

Learn more about Coherix 3D Volume Adaptive Control

August 5, 2025