Automatic 3 Axis Epoxy Resin Glue Potting Machine AB Silicone Glue Dispensing Machine

  • 2026-10-09

Electronic manufacturers producing LED drivers, small sensors, PCB modules and miniature power supplies often require flexible, programmable two-component glue dispensing solutions. An automatic 3 axis epoxy resin glue potting machine, also known as XYZ AB silicone glue dispensing robot, combines 3-axis servo motion system and precision meter-mix unit to automate metering, mixing and potting of 2-part epoxy, silicone and PU adhesives.

Unlike fixed single-point dispensing equipment, the 3-axis platform supports fully customizable glue trajectories: dots, lines, arcs, circles and irregular 3D contours. It is the cost-effective choice for medium and small batch electronic encapsulation, especially for factories with multiple product models and frequent recipe switching.

epoxy potting machine

epoxy potting machine

What Is A 3 Axis AB Glue Potting Machine?

A 3-axis dispensing system relies on X, Y and Z servo axes to move the dispensing nozzle freely over the workpiece. The two-component AB glue (epoxy or silicone) is pumped from independent A and B tanks, accurately proportioned by precision metering pumps, mixed through static or dynamic mixing head, and dispensed following pre-programmed paths onto electronic housings or cavities.

Operators draw or import dispensing paths via the touchscreen controller. Recipes can be saved and recalled instantly when switching different products. This eliminates human error from manual mixing and hand pouring, greatly improving consistency of glue volume, layer thickness and encapsulation quality.

The machine can work at atmospheric condition, and can be upgraded with an optional vacuum chamber for void-free potting for high-reliability components such as automotive sensors and miniature transformers.

Compatible Potting Materials

This 3-axis AB dispensing machine supports most common two-component industrial potting compounds:

  1. Epoxy Resin – High dielectric strength, rigid encapsulation for power modules, LED drivers and small transformers. Good mechanical hardness and insulation performance.
  2. Silicone AB Glue – Flexible, wide temperature range, low thermal stress, widely used for vibration-sensitive sensors and outdoor electronic assemblies.
  3. PU Polyurethane Resin – Good waterproof and shock resistance for consumer electronics and cable modules.

The mixing ratio can be customized from 1:1, 2:1, 3:1 up to 10:1 according to your resin supplier specification. The machine handles both low-viscosity resin and filled thermal conductive epoxy.

Core Features of Our 3 Axis Epoxy & Silicone Dispensing Machine

1. Programmable XYZ 3-Axis Motion Platform

Servo driven 3-axis movement, stable positioning, repeat positioning accuracy ±0.02mm. Support point, line, surface, arc and irregular curve dispensing. Import PLT / G-code files directly from CAD drawings. Store hundreds of dispensing recipes for quick product changeover.

2. Precision 2K Meter-Mix System

Independent A & B material tanks with optional stirring & heating function to prevent filler sedimentation. The metering pump guarantees stable ratio and consistent glue output. Static mixing head for low to medium viscosity glue; dynamic mixing head for filled, high viscosity epoxy or silicone. Anti-backflow valve prevents glue dripping after dispensing stops.

3. User-Friendly PLC Touchscreen Control

Windows-based or industrial touch HMI. Visual programming, simple for operators to learn. Real-time monitoring of glue flow, dispensing speed and axis status. Automatic alarm for low material level or system fault.

4. Optional Vacuum Potting Module

For high reliability electronics requiring zero bubbles, the machine can integrate a vacuum chamber. Dispensing inside negative pressure chamber removes trapped air inside winding and PCB gaps, avoiding voids that cause partial discharge and early product failure.

5. Flexible Worktable & Compact Footprint

Desktop or stand frame optional. Work size can be customized. Small footprint saves workshop space. Suitable for laboratory prototyping, pilot production and mass batch manufacturing.

Typical Applications

✅ LED driver power supply potting

✅ Small pressure and proximity sensor module encapsulation

✅ Miniature current transformer & ignition coil filling

✅ PCB circuit board protection & sealing

✅ Electronic control modules, capacitor and inductor potting

✅ Consumer electronic components, automotive small electronic assemblies

How to Choose Between 3 Axis Dispenser and Full Vacuum Potting Line

Many buyers wonder whether they should select a 3-axis AB dispenser or inline vacuum potting machine.

  • Pick 3 axis AB potting machine, if: you produce multiple small products, frequently switch models, medium batch size, need flexible dispensing paths, budget control, R&D & pilot production.
  • Pick full automatic inline vacuum potting line, if: single product mass production, high voltage components, strict void-free requirement, 24h continuous production.

The 3-axis epoxy dispensing machine is often used as the first automation upgrade replacing manual potting. Later manufacturers can upgrade it with vacuum chamber or integrate it into conveyor production lines as business expands.

Common Potting Defects Solved By 3-Axis Automatic Dispensing

Manual potting usually brings these problems: inconsistent glue ratio, air bubbles, overflow, insufficient filling, unstable glue thickness. 3-axis AB glue potting machine solves these issues:

  • Fixed metering pumps maintain stable A/B ratio batch by batch;
  • Programmed path ensures uniform glue coverage without overflow or missing areas;
  • Optional vacuum module eliminates trapped bubbles;
  • Closed mixing reduces glue waste and improves workshop cleanliness.

Maintenance Tips

  1. Clean mixing head immediately after batch production to avoid resin curing and blockage.
  2. Regularly calibrate metering pumps to keep ratio accuracy.
  3. Check tank pressure, pipeline and sealing rings periodically.
  4. Keep worktable clean, remove resin residue and metal debris.
  5. Keep the controller and servo motor away from dust and moisture.

Conclusion

The automatic 3 axis epoxy resin glue potting machine is a versatile, flexible 2-component dispensing solution for electronics manufacturers. It handles both epoxy and silicone AB glue, with programmable XYZ motion paths for small electronic modules, LED drivers and sensors. For factories stepping from manual pouring into automated encapsulation, this 3-axis dispenser delivers balanced performance, cost and flexibility. If you need void-free encapsulation for high voltage products, the optional vacuum potting upgrade can meet higher reliability standards.

KPD Automation Equipment Co.ltd
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