What is Dispensing Machine | Working Principle & Applications Guide

A dispensing machine is a specialized automated equipment designed for precise control, mixing, and distribution of two-component or multi-component adhesives (such as epoxy resin, polyurethane, silicone, etc.). Through precision metering systems, mixing devices, and automated control systems, it achieves accurate proportioning, thorough mixing, and precise dispensing of adhesives, widely used in manufacturing sectors including electronics, automotive, new energy, and medical devices.

Working Principle

The core workflow of a dispensing machine includes four key processes:

Metering System: Utilizes servo motor-driven high-precision gear pumps or screw pumps to ensure accurate proportioning of components A and B, with accuracy reaching ±0.5% or higher.

Mixing System: Divided into static mixing and dynamic mixing methods. Static mixing achieves material homogeneity through specially designed mixing tubes, while dynamic mixing completes the process through mechanical stirring devices.

Control System: Intelligent control system based on PLC and touchscreen interface, capable of storing multiple production process parameters for one-button operation and precise control.

Dispensing Execution: Achieves precise dispensing along complex paths through multi-axis motion systems, meeting process requirements for different products.

Main Types of Dispensing Machines

Classified by Mixing Method:

• Static Mixing Dispensing Machine

• Dynamic Mixing Dispensing Machine

• Vacuum Dispensing Machine

Classified by Automation Level:

• Fully Automatic Dispensing Machine

• Semi-Automatic Dispensing Machine

• Manual Dispensing Machine

Classified by Application Field:

• Electronic Potting Specialized Dispensing Machine

• LED Dispensing Machine

• Power Module Dispensing Machine

• Automotive Electronics Dispensing Machine

Core Advantages

Precision Assurance: Eliminates human operation errors, ensures product consistency

Efficiency Improvement: Automated production significantly enhances work efficiency

Cost Control: Precise control of adhesive usage reduces material waste

Quality Stability: Ensures product sealing, insulation, and reliability

Process Control: Digital management of production parameters enables standardized manufacturing

Application Fields

Electronics Industry: Circuit board potting, sensor encapsulation, connector sealing

Automotive Manufacturing: ECU control units, automotive sensors, lighting systems

New Energy: Photovoltaic inverters, battery management systems, charging station modules

Medical Devices: Medical sensors, instrument sealing, diagnostic equipment

Home Appliance Industry: Smart controllers, power modules, connection components

Aerospace: Avionics equipment, navigation systems, communication devices

Key Selection Factors

Adhesive Characteristics: Viscosity, mixing ratio, curing time parameters

Production Requirements: Capacity needs, automation level, product changeover frequency

Precision Requirements: Dispensing accuracy, repeat positioning accuracy

Budget Considerations: Equipment investment, operating costs, maintenance expenses

Scalability: Adaptability for future product upgrades and process improvements

Technology Development Trends

Modern dispensing machines are evolving towards intelligence, flexibility, and integration:

• IoT technology enables remote monitoring and data analysis

• Machine vision system integration enhances positioning and inspection capabilities

• Modular design facilitates quick changeover and function expansion

• Green environmental concepts drive low-energy consumption and low-emission designs