Here is placeholder text for Heading 1 h1.

Exhibition Overview

NEPCON South China—the South China International Exhibition of Electronic Manufacturing Equipment and Microelectronics Industry—is a long-standing, large-scale, and highly acclaimed professional trade show that caters to the rapidly growing markets in South China and Southeast Asia. On this prestigious platform where industry giants gather, nearly 600 renowned brands—both domestic and international—will showcase their latest innovations. Moreover, you’ll have the unique opportunity to connect and explore business collaboration opportunities with over 48,000 executives and procurement decision-makers from OBM/OEM/ODM companies in the electronics industry.

       At this exhibition, Gao Kai Precision is primarily promoting its self-developed second-generation piezoelectric valve series products: Piezoelectric non-contact hot melt adhesive jetting valve, piezoelectric non-contact dispensing valve, In addition to continuing to leverage the advantages of the first-generation piezoelectric valve series, this product line also features: Easy to adjust, convenient to maintain, and quick to replace. and other advantages.

Product Introduction

The PZT-JET5200 piezoelectric non-contact hot melt adhesive jetting valve is a non-contact dispensing valve that combines high-speed, high-precision, and highly flexible dispensing capabilities with low costs. It eliminates the common issues associated with needle-based dispensing, such as needle bending due to collisions, chip damage, and susceptibility to product warping. This product is suitable for high-precision, high-frequency dispensing operations with a wide variety of adhesives.

The PZT-JET5200 piezoelectric non-contact hot-melt adhesive jetting valve is fully compatible with any automated dispensing platform available on the market, delivering maximum economic benefits to customers in the electronics packaging industry, lighting industry, energy sector, life sciences, and other applications that demand high precision, high efficiency, and limited space.

Features and Advantages

◆ Non-contact jet dispensing suitable for reactive PUR hot melt adhesives

◆ The latest piezoelectric actuator delivers faster hot-melt adhesive dispensing speeds and a longer service life.

◆ Modular design for easy component replacement

◆ Non-contact jet dispensing eliminates Z-axis movement, achieving higher productivity with a continuous operation frequency of up to 500 Hz.

◆ The dispensing volume can be accurately controlled to within 0.1 nl, and the consistency accuracy of dot dispensing reaches as high as 98%.

◆ Can apply hot melt adhesive in extremely confined spaces or on steps.

◆ The melting temperature and spraying temperature of hot melt adhesive can be controlled independently.

◆ No stringing during dispensing, improving yield rate.

◆ Compatible with any motion platform on the market.

Product Introduction

The PZT-JET5020 is a medium-to-high viscosity piezoelectric jet dispensing valve. It features high speed, Efficiency High precision and high speed—The PZT-JET5020 boasts a maximum frequency of up to 500 Hz. In dispensing operations, it uses a jetting method to apply adhesive onto the workpiece surface, eliminating the need for Z-axis movement typically required in conventional dispensing processes. High efficiency—the PZT-JET5020 can be integrated with any dispensing platform available on the market. It can precisely dispense adhesive into gaps as narrow as 0.15 mm (e.g., LED screens) and also perform dispensing on uneven workpiece surfaces (such as flexible circuit boards). High precision—the PZT actuator employs a piezoelectric drive mechanism, offering stability that is unmatched by other drive technologies. The consistency accuracy of jet dispensing reaches as high as 98%. The minimum jetting volume can reach 0.002 µL. The minimum line width for PZT-JET5020 dispensing can be as low as 0.15 mm, and the minimum diameter can be as small as 0.1 mm.  

       Features and Advantages

1. Suitable for dispensing a variety of fluids, it can be applied to dispensing operations involving UV adhesives, epoxy resins, potting compounds, thermal conductive adhesives, electrically conductive adhesives, red glue, and more.

2. Minimum dispensing dot diameter: 0.1 mm;

3. High speed: The dispensing frequency can reach 500 Hz, and the jetting process avoids the Z-axis movement typical of conventional dispensing methods.

4. Flexibility—can be paired with any dispensing platform available on the market.

      Product Introduction

The PZT-JET5030 piezoelectric hot-melt adhesive jetting valve is designed for non-contact dispensing of reactive PUR hot-melt adhesives. Its latest piezoelectric actuator delivers faster dispensing speeds and a longer service life. Operating at low air pressure, this valve features a modular design that allows for easy component replacement. With its non-contact jetting technology, it eliminates the need for Z-axis movement, thereby achieving higher productivity. The continuous operation frequency can reach up to 500 Hz, and the dispensing volume can be precisely controlled down to 0.1 nl. The dispensing accuracy reaches as high as 98%, enabling hot-melt adhesive application even in extremely confined spaces or on stepped surfaces. The melting temperature and dispensing temperature of the hot-melt adhesive can be independently controlled. The dispensing process produces no stringing, significantly improving yield rates. This valve is compatible with any motion platform available on the market.

     Product Advantages

High speed / High precision / High flexibility

     Application

◆ Bonding and sealing of mobile phone cases

◆ Touchscreen assembly for tablets and other electronic devices

◆ Assembly of the mobile phone speaker

Product Introduction

• High-speed The PHD-6010 piezoelectric slide valve employs a high-frequency piezoelectric actuation method. By using piezoelectric ceramics to drive the sliding element, it can cut off the flow of adhesive within just a few milliseconds, thereby forming precise adhesive dots. This valve is suitable for solder pastes and silver-filled epoxy resins. Its minimum opening time and minimum closing time can both reach 10 ms, and its maximum dispensing frequency can reach 10 Hz.

•   High precision Excellent repeatability of glue dots and consistent line widths, with a minimum glue dot diameter as small as 0.25 mm.

• High applicability Equipped with dedicated dispensing needles and compatible with existing dispensing needles, it boasts superior anti-clogging performance. It is ideal for applications where screen printing is not feasible; suitable for product surfaces featuring deep grooves and raised structures; and perfect for scenarios requiring frequent adjustments to the size of adhesive dots.

    Discharge performance

• Minimum dot diameter: 0.25 mm

• Minimum line width: 0.3 mm

     Application

• BGA Rework Process

• Solder paste dispensing for small-size components

• Special molding of epoxy resin with silver additives