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
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.
This 3-axis AB dispensing machine supports most common two-component industrial potting compounds:
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.
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.
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.
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.
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.
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.
✅ 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
Many buyers wonder whether they should select a 3-axis AB dispenser or inline vacuum potting machine.
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.
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:
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.
