Can Dispensing Machines Overcome Precision Challenges?

In modern manufacturing, dispensing machines, as automated fluid control equipment, have become critical tools in industries such as electronics, automotive, and medical devices. However, customers often face core challenges related to precision, efficiency, and cost during equipment selection, operation, and maintenance. This article combines industry practices to analyze common issues and solutions, helping enterprises optimize production processes.

Common Questions and Solutions

1. Unstable dispensing volume

Causes: Pressure fluctuations in the pressure cylinder or air source, or dispensing time set too short (e.g., less than 15 milliseconds).

Solutions:

Ensure control pressure ≥60psi, extend dispensing time, and prioritize using the high-pressure range of the pressure regulator.

2. Unstable dispensing precision

Causes: Mechanical vibrations, changes in adhesive viscosity, or unstable pressure control.

Solutions:

Implement vision positioning systems with AI algorithms for ±0.02mm dynamic compensation.

Adopt closed-loop pressure control systems to monitor and adjust parameters in real time.

3. Dripping after the valve is closed

Causes: Needle size too small causing back pressure or adhesive containing bubbles.

Solutions:

Replace with a larger-diameter needle (cone-shaped bevel needle recommended), perform centrifugal debubbling in advance, or switch to low-bubble adhesive.

4. Adhesive stringing affecting appearance

Causes: High-viscosity adhesive has poor flowability.

Solutions:

Use specialized valve bodies such as screw valves, or customize equipment configurations based on adhesive viscosity.

Applications

Dispensing machines are widely used across industries, including:

Electronics: PCB solder joint coating, chip bonding, and component encapsulation to prevent short circuits and enhance reliability.

Automotive: Sealing headlights, windows, and body seams to ensure waterproofing and structural stability; also used for bonding interior parts.

Medical Devices: Achieving sterile sealing in precision instruments such as syringes and artificial joints to prevent leakage or loosening.

3C Products: Smartphone screen bonding, smartwatch waterproofing, and headphone component fixation for high-precision demands.

Optoelectronics: Precise dispensing for optical fibers, sensors, and lenses to ensure optical module performance.

Operating Process and Process Optimization

Operating Steps

Parameter Setting: Adjust pressure, time, and temperature parameters based on adhesive viscosity and dispensing path.

Automation Execution: Complete dispensing operations through preset programs to minimize human intervention.

Quality Inspection: Use a vision system to verify dispensing results in real-time to ensure compliance with process requirements.

Process Improvement

Traditional manual dispensing results in 30% material waste. By switching to a digital dispensing system, adhesive utilization can be increased to 95%. One company shortened its production cycle by 20% by optimizing dispensing paths.

After-Sales Support

Technical Support

High-quality suppliers provide remote diagnostic services with an average response time of less than 4 hours, combined with AR remote guidance to reduce repair time to within 8 hours.

Training Support

Standardized training is provided for operators, including equipment debugging, troubleshooting, and daily maintenance, ensuring long-term stable operation of the equipment.

As a core manufacturing asset, dispensing machines directly impact product quality and efficiency. By addressing customer pain points, refining processes, and enhancing after-sales services, enterprises can significantly boost competitiveness. With the integration of AI and IoT, dispensing machines will continue evolving toward intelligent, high-efficiency solutions.

OKATA was established in 2005, with "Intelligent Manufacturing, Smart Factory" as the core, focusing on the research and development of automatic production lines and automation equipment and other core technologies of intelligent manufacturing, to provide enterprises with integrated solutions for automated production.