PVA DELTA 6 : The Ultimate High-Performance PVA Delta 6 Conformal Coating & Dispensing System

Overview & Description

The Delta 6 is an automated robotic system used for conformal coating, dispensing, potting, underfill, gasketing, sealing, glob-top/encapsulation, solder paste or SMT adhesive dispensing, thermal interface material dispensing, and various fluid-handling processes. It features a 3-axis (or optional 4-axis tilt & rotate) motion platform driven by high-precision servo motors, ball-screw assemblies, and optical encoders for exceptional accuracy and repeatability.

It supports both inline high-volume manufacturing and batch production, giving strong flexibility for different material and process requirements. The system includes an onboard computer and the PathMaster® programming software for path creation, coating patterns, and dispensing parameters.

PVA Delta 6 is a high-performance automated dispensing and conformal coating system engineered for manufacturers who demand precision, stability, and versatility in electronic assembly processes. As one of PVA’s flagship platforms, the Delta 6 offers exceptional control over fluid application, making it ideal for coating, potting, underfill, gasketing, and many other advanced material-dispensing tasks. Its capability to maintain high repeatability, combined with a robust mechanical design, allows modern factories to achieve consistent quality even at scale.

The machine features a 3-axis motion platform, with an optional 4-axis tilt and rotate module for more complex geometries. Every axis is powered by servo motors, ball-screw drives, and optical encoders, ensuring smooth travel and ultra-precise positioning. This mechanical foundation enables the PVA Delta 6 to deliver a repeatability of ±25 microns and a resolution of 5 microns—performance levels essential for electronic manufacturers working with fine-pitch components, densely packed boards, or materials requiring controlled fluid dynamics.

A standout benefit of the PVA Delta 6 is its compatibility with both inline production lines and batch-style operations. Whether a manufacturer handles high-volume PCB assembly, diverse product families, or specialized industrial applications, the system adapts smoothly. The built-in PathMaster® software provides intuitive programming, allowing users to define coating paths, dispensing patterns, thickness controls, and motion sequences with speed and accuracy. Offline programming with image import further simplifies complex setups by enabling operators to define coordinates based on reference images.

From a technical perspective, the PVA Delta 6 offers a work envelope of 521 mm × 485 mm × 100 mm, providing ample space for most small to medium-size assemblies. Its maximum travel speed reaches approximately 670 mm/s, enabling efficient cycle times without sacrificing coating quality. With power support for both 120 V and 220 V systems, as well as a requirement of 80 psi clean, dry air, the machine integrates easily into existing factory infrastructure.

In real-world applications, the Delta 6 serves as a multi-purpose solution across a broad range of industries. In the electronics sector, it is widely used for conformal coating, where protective materials such as acrylics, urethanes, or silicones are applied to PCBs to guard against moisture, chemicals, and corrosion. For assemblies requiring high mechanical durability, the system performs underfill, injecting epoxy beneath BGA or flip-chip packages to strengthen the joint. Manufacturers producing ruggedized devices rely on the PVA Delta 6 for potting—the process of filling housings with resin or silicone to protect circuitry from shock, vibration, and harsh environments.

Another critical capability is gasketing and sealing, where the system dispenses precise beads of liquid gasket materials onto enclosure seams, connector interfaces, and mechanical housings. This ensures reliable sealing performance and contributes to IP-rated product designs. Its flexibility also extends to dispensing thermal interface materials (TIM), solder paste, UV-curable adhesives, and structural epoxies.

The advantages of using the PVA Delta 6 in industrial production include improved consistency, reduced manual labor, superior process repeatability, and the ability to automate traditionally difficult dispensing tasks. For manufacturers seeking enhanced quality assurance, the system helps reduce material waste and minimizes coating variation between units. However, it is important to note that the machine requires trained operators and may represent a significant investment for companies with only small-scale or highly varied production.

Ultimately, the PVA Delta 6 is a powerful solution for companies aiming to upgrade their automation capabilities and achieve world-class precision in electronic manufacturing. Its combination of mechanical strength, process flexibility, and advanced software tools makes it one of the most capable dispensing and coating platforms available today—a long-term asset for factories focused on reliability, scalability, and competitive performance.

Technical Specifications

Parameter	Value / Description
Work area (1 valve/tool)	521 mm × 485 mm × 100 mm
Repeatability (XYZ)	± 25 microns (± 0.001 in)
Resolution	5 microns (0.0002 in)
Payload on worktable	~ 11.36 kg (25 lbs)
Maximum travel speed	~ 670 mm/s (≈ 26.4 in/s)
Maximum acceleration	~ 0.6 g (depending on configuration)
Power supply	120 V or 220 V, 50–60 Hz
Air requirement	80 psi, clean and dry
Machine footprint	847 mm × 1,136.9 mm × 1,995 mm

The system can be equipped with a 4th-axis servo tilt & rotate for improved access to complex PCB geometries. The software also supports offline image-based programming to simplify point-to-point path creation.

Applications

Delta 6 is widely known as a highly flexible “multi-process” platform, ideal for:

• Conformal coating for PCB protection against moisture, dust, and corrosion

• Dam & Fill processes

• Encapsulation / Glob-Top for chip, die, and wire-bond protection

• Potting of electronic assemblies in housings

• Gasketing / Sealing of enclosures, components, and interfaces

• SMT adhesive or solder paste dispensing

• Thermal interface material (TIM) dispensing

• Underfill dispensing for BGA, CSP, and flip-chip components

This makes the Delta 6 suitable for mid- to high-volume manufacturing and environments requiring precision, consistency, and material flexibility.

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Advantages & Considerations

Advantages:

• High accuracy and repeatability (±25 µm)

• Supports multiple process types in a single system

• High level of automation and consistency

• Compatible with inline or batch operation

• Powerful software with offline programming capability

Considerations:

• High initial investment; best suited for industrial production

• Requires trained technicians for setup and programming

• Frequent product changes may increase setup time

• Viscous materials may require specific pumps/valves or accessories

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Who Should Use the PVA Delta 6?

The Delta 6 is ideal for:

• Electronics manufacturers needing consistent coating/dispensing quality

• PCB assembly lines requiring automation and repeatability

• Facilities working with diverse materials such as adhesives, silicones, epoxies, TIM, or UV-curables

• Production environments aiming to reduce manual labor and improve process stability

 Contact us today to learn more!

 Website: www.jit-asia.com
 Hotline: (+84) 348 100 358
 Email: info@jitvietnam.com