Screw-Type Dispensing Valve LK-RS50

Product Overview

The screw-type dispensing valve LK-RS50 is a precision dispensing device specially designed for high-viscosity fluid dispensing applications. Equipped with a branded brushless servo motor, it enables precise control over dispensing force and volume, meeting the dispensing needs of various industries such as automated packaging, electronic machinery manufacturing, and biological testing. The device supports stepless speed regulation from 0 to 2000 RPM, with a minimum dispense volume as low as 0.075 mL, and is compatible with fluids spanning a full viscosity range of 0–100,000 cP. It also features an adjustable reverse suction pressure ranging from -20 to 0 kPa, effectively addressing issues like filamentation and dripping during dispensing, thus providing a stable and reliable precision dispensing solution for specialized applications such as chip packaging, silicon marking, wafers, LCDs, and photovoltaic new energy.

Core Technical Parameters

1. Drive Configuration: Branded brushless servo motor
2. Screw Speed: 0–2000 RPM
3. Compatible Adhesive Viscosity: 0–100,000 cP
4. Minimum Dispense Volume: 0.075 mL
5. Motor Reverse Suction Pressure: -20 to 0 kPa
6. I/O Ports: DC 0 V / 24 V

Key Performance Advantages

1. High Precision Control: Featuring a branded brushless servo motor with stepless speed regulation from 0 to 2000 RPM, combined with a minimum dispense volume of 0.075 mL, this valve ensures highly accurate and controllable dispensing. Whether dispensing tiny droplets or larger volumes, it maintains consistent precision, meeting the stringent requirements of high-precision applications such as chip packaging and wafer processing.
2. Full Viscosity Compatibility: With a broad adhesive viscosity range of 0–100,000 cP, it effortlessly handles low-viscosity solvents, medium-viscosity adhesives, and high-viscosity pastes, eliminating the need to switch equipment across different production scenarios, thereby enhancing versatility and operational efficiency.
3. Elimination of Filamentation and Dripping: The adjustable reverse suction pressure of -20 to 0 kPa allows for post-dispensing retraction, effectively preventing filamentation and dripping, ensuring smooth, well-defined dispensing points and improving product appearance and process quality—particularly suited for applications in LCDs and photovoltaic new energy where surface cleanliness is critical.
4. Long Lifespan and Low Maintenance Costs: Utilizing a branded brushless servo motor, this valve offers significantly longer service life compared to conventional motors, with lower failure rates and reduced maintenance frequency, substantially lowering long-term operating costs and saving enterprises on maintenance expenses.

Core Product Value

1. Precision Value: The combination of stepless servo motor speed control and ultra-low minimum dispense volume enables micron-level precision in dispensing, ensuring high accuracy and boosting product yield—especially beneficial in precision electronics manufacturing.
2. Broad-Spectrum Value: With a full viscosity compatibility range covering most industrial adhesive applications, one single unit can meet diverse production needs, reducing equipment procurement costs and space requirements.
3. Process Value: Adjustable reverse suction pressure thoroughly resolves common issues of filamentation and dripping, optimizing dispensing performance and enhancing both product aesthetics and stability.
4. Cost Value: The long-life brushless servo motor reduces maintenance expenses and downtime losses, improving production continuity and overall efficiency.

Target Customer Groups

Manufacturers of automated packaging equipment, companies engaged in electronic machinery manufacturing, producers of biological testing instruments, firms specializing in chip packaging and processing, manufacturers of photovoltaic new energy components, LCD display producers, and processors of precision electronic components.

Typical Application Scenarios

1. Electronics Manufacturing: Ideal for precision dispensing processes such as chip packaging, silicon marking, and wafer bonding, where accurate control of adhesive volume ensures reliable and stable connections between electronic components.
2. Display Industry: In procedures like edge sealing and module bonding for LCD displays, it delivers uniform dispensing points without filamentation or dripping, enhancing both the seal integrity and visual quality of the displays.
3. New Energy Sector: Provides stable, high-volume dispensing for edge sealing and junction box bonding in photovoltaic components, ensuring waterproofing and structural strength.
4. Automated Packaging: Works seamlessly with automated production lines to complete packaging and dispensing tasks, boosting production efficiency and consistency while meeting large-scale manufacturing demands.
5. Biological Testing: Offers high-precision, contamination-free dispensing for sealing biological test equipment and adding reagents, guaranteeing the accuracy of experimental results.

Solutions to Industry Pain Points

1. Addressing Insufficient Precision in Traditional Dispensing Equipment: Conventional dispensers struggle to achieve precise control over minute adhesive volumes, leading to low yields in precision electronics manufacturing. This product leverages servo motor stepless speed regulation and a minimum dispense volume of 0.075 mL to enable micron-level control, significantly improving product yield.
2. Overcoming Limitations of Single-Viscosity Compatibility: Most dispensers can only handle specific adhesive viscosities, forcing companies to purchase multiple units to meet diverse production needs. This product covers the entire viscosity spectrum from 0 to 100,000 cP, allowing a single machine to address various adhesive applications and reducing equipment investment.
3. Solving the Problem of Filamentation and Dripping: Traditional equipment often lacks sufficient reverse suction capability, resulting in filamentation and dripping that contaminate product surfaces or compromise process outcomes. This product’s adjustable reverse suction pressure of -20 to 0 kPa enables fine-tuning of suction intensity based on adhesive viscosity, completely resolving filamentation and dripping issues.
4. Reducing High Maintenance Costs: Conventional motor-driven dispensers typically have short lifespans and high failure rates, requiring frequent maintenance and causing production downtime. This product employs a branded brushless servo motor, offering extended service life, reduced maintenance needs, and lower long-term operating costs.

Frequently Asked Questions (FAQ)

Q1: What types of adhesives can the screw-type dispensing valve LK-RS50 handle?
A: This dispensing valve is compatible with adhesives spanning a viscosity range of 0–100,000 cP, covering low-viscosity solvents, medium-viscosity adhesives, and high-viscosity pastes, satisfying the needs of most industrial adhesive applications.
Q2: Can the minimum dispense volume of 0.075 mL meet the demands of precision dispensing?
A: Yes. Combined with stepless speed regulation from 0 to 2000 RPM, the 0.075 mL minimum dispense volume enables micron-level control, fully meeting the requirements of high-precision dispensing scenarios such as chip packaging and wafer processing.
Q3: How can filamentation and dripping during dispensing be prevented?
A: The device is equipped with an adjustable reverse suction pressure ranging from -20 to 0 kPa. After dispensing, users can fine-tune the suction intensity to effectively cut off excess adhesive, preventing filamentation and dripping and ensuring optimal dispensing results.
Q4: What is the lifespan of the motor in this dispensing valve?
A: Powered by a branded brushless servo motor, this valve boasts a significantly longer service life than conventional motors, with stable operation and low failure rates, effectively reducing maintenance frequency and lowering long-term operating costs.
Q5: Is customization available?
A: Customization is supported. We offer one-on-one consultation and tailored pricing based on your specific production requirements, providing optimized dispensing solutions accordingly.