I. Basic Concepts and Classification of Dispensing Machines
A dispensing machine is an automated device used to precisely apply adhesives, greases, solder pastes, and other fluids to designated positions. Based on different classification criteria, dispensing machines can be categorized into multiple types:
By automation level: Manual dispensing machines, semi-automatic dispensing machines, fully automatic dispensing machines
By drive method: Pneumatic glue dispensing machines, electric dispensing machines, piezoelectric jet dispensing machines
By number of axes: Single-axis, 3-axis, 4-axis, multi-axis coordinated dispensing machines
By adhesive type: Single-component dispensing machines, two-component dispensing machines, hot-melt dispensing machines
II. Core Factors for Dispensing Machine Selection
1. Adhesive Characteristics
Different adhesives have vastly different requirements for dispensing machines. Low-viscosity adhesives (such as UV adhesives, anaerobic adhesives) require anti-drip designs; high-viscosity adhesives (such as silicone grease, hot-melt adhesives) require heating or high-pressure output; two-component adhesives require proportioning and mixing functions. Always clarify the viscosity, ratio, and curing time of the adhesive before selection.
2. Dispensing Accuracy
Dispensing accuracy includes volume accuracy and positional accuracy. Precision electronics manufacturing typically requires dispensing volumes below 0.01ml and positional accuracy of +/-0.02mm. Jet dispensing machines excel in micro-volume dispensing, while contact dispensing machines are more suitable for large-volume application.
3. Production Capacity Needs
Select appropriate equipment based on production cycle times. Small-batch, multi-variety production suits desktop 3-axis dispensing machines; large-volume single-product production is better served by fully automatic dispensing lines equipped with multi-nozzle or rotary table configurations.
4. Workpiece Characteristics
Workpiece dimensions, weight, material, and dispensing positions all influence equipment selection. Large workpieces require extended-travel motion platforms; irregular workpieces may require vision positioning systems; flexible workpieces require non-contact jet dispensing.
5. Operational Convenience
An excellent dispensing machine should feature an intuitive operation interface, convenient parameter settings, and easy program editing. Support for CAD file import and vision teaching functions can significantly improve programming efficiency.
III. Main Application Industries for Dispensing Machines
- Electronics Manufacturing: PCB dispensing, chip packaging, component fixing
- Automotive Electronics: Lamp sealing, sensor bonding, ECU potting
- Medical Devices: Medical catheter bonding, needle dispensing, reagent dispensing
- Packaging and Printing: Gift box gluing, label lamination
- Photovoltaic New Energy: Solar cell bonding, component sealing
IV. Key Technical Parameters of Dispensing Machines
When comparing dispensing machines from different brands, focus on the following parameters:
- Motion accuracy: Repeatability positioning accuracy should typically reach within +/-0.02mm
- Maximum speed: Linear motion speed should be no less than 500mm/s
- Minimum dispensing volume: Precision jet dispensing can reach the 0.5nl level
- Working travel: Select based on maximum workpiece size with adequate margin
- Control system: Support for multi-segment speed adjustment, suction back function, multi-head synchronization
V. Price Range of Dispensing Machines
Dispensing machine prices vary significantly based on configuration:
- Manual/semi-automatic dispensing machines: Several hundred to 20,000 USD
- Desktop 3-axis automatic dispensing machines: 3,000 to 12,000 USD
- Vision positioning dispensing machines: 12,000 to 30,000 USD
- Inline fully automatic dispensing machines: 30,000 to 120,000 USD
- Jet high-precision dispensing machines: 50,000 to 150,000+ USD
VI. Common Misconceptions in Dispensing Machine Selection
1. Focusing on price while ignoring configuration: Low-cost equipment may have hidden risks in accuracy, stability, and service life.
2. Over-specifying configurations: Not all applications require the highest precision; selecting equipment matching process needs is more economical.
3. Neglecting after-sales support: Dispensing machine commissioning and maintenance require professional technical support; the supplier's service capability is crucial.
4. Skipping sample testing: Selecting based solely on specification sheets carries risk; actual sample testing is the best way to verify equipment suitability.
VII. Conclusion
Selecting a suitable dispensing machine requires comprehensive consideration of adhesive characteristics, accuracy requirements, production capacity needs, workpiece features, and budget. It is recommended that enterprises thoroughly research the market, communicate with multiple suppliers, and conduct on-site sample testing before purchasing. A dispensing machine with matching performance and reliable quality can not only improve production efficiency but also effectively reduce defect rates, creating long-term value for the enterprise. Choose a professional dispensing machine brand to make your dispensing process more precise and efficient.
A dispensing machine is an automated device used to precisely apply adhesives, greases, solder pastes, and other fluids to designated positions. Based on different classification criteria, dispensing machines can be categorized into multiple types:
By automation level: Manual dispensing machines, semi-automatic dispensing machines, fully automatic dispensing machines
By drive method: Pneumatic glue dispensing machines, electric dispensing machines, piezoelectric jet dispensing machines
By number of axes: Single-axis, 3-axis, 4-axis, multi-axis coordinated dispensing machines
By adhesive type: Single-component dispensing machines, two-component dispensing machines, hot-melt dispensing machines
II. Core Factors for Dispensing Machine Selection
1. Adhesive Characteristics
Different adhesives have vastly different requirements for dispensing machines. Low-viscosity adhesives (such as UV adhesives, anaerobic adhesives) require anti-drip designs; high-viscosity adhesives (such as silicone grease, hot-melt adhesives) require heating or high-pressure output; two-component adhesives require proportioning and mixing functions. Always clarify the viscosity, ratio, and curing time of the adhesive before selection.
2. Dispensing Accuracy
Dispensing accuracy includes volume accuracy and positional accuracy. Precision electronics manufacturing typically requires dispensing volumes below 0.01ml and positional accuracy of +/-0.02mm. Jet dispensing machines excel in micro-volume dispensing, while contact dispensing machines are more suitable for large-volume application.
3. Production Capacity Needs
Select appropriate equipment based on production cycle times. Small-batch, multi-variety production suits desktop 3-axis dispensing machines; large-volume single-product production is better served by fully automatic dispensing lines equipped with multi-nozzle or rotary table configurations.
4. Workpiece Characteristics
Workpiece dimensions, weight, material, and dispensing positions all influence equipment selection. Large workpieces require extended-travel motion platforms; irregular workpieces may require vision positioning systems; flexible workpieces require non-contact jet dispensing.
5. Operational Convenience
An excellent dispensing machine should feature an intuitive operation interface, convenient parameter settings, and easy program editing. Support for CAD file import and vision teaching functions can significantly improve programming efficiency.
III. Main Application Industries for Dispensing Machines
- Electronics Manufacturing: PCB dispensing, chip packaging, component fixing
- Automotive Electronics: Lamp sealing, sensor bonding, ECU potting
- Medical Devices: Medical catheter bonding, needle dispensing, reagent dispensing
- Packaging and Printing: Gift box gluing, label lamination
- Photovoltaic New Energy: Solar cell bonding, component sealing
IV. Key Technical Parameters of Dispensing Machines
When comparing dispensing machines from different brands, focus on the following parameters:
- Motion accuracy: Repeatability positioning accuracy should typically reach within +/-0.02mm
- Maximum speed: Linear motion speed should be no less than 500mm/s
- Minimum dispensing volume: Precision jet dispensing can reach the 0.5nl level
- Working travel: Select based on maximum workpiece size with adequate margin
- Control system: Support for multi-segment speed adjustment, suction back function, multi-head synchronization
V. Price Range of Dispensing Machines
Dispensing machine prices vary significantly based on configuration:
- Manual/semi-automatic dispensing machines: Several hundred to 20,000 USD
- Desktop 3-axis automatic dispensing machines: 3,000 to 12,000 USD
- Vision positioning dispensing machines: 12,000 to 30,000 USD
- Inline fully automatic dispensing machines: 30,000 to 120,000 USD
- Jet high-precision dispensing machines: 50,000 to 150,000+ USD
VI. Common Misconceptions in Dispensing Machine Selection
1. Focusing on price while ignoring configuration: Low-cost equipment may have hidden risks in accuracy, stability, and service life.
2. Over-specifying configurations: Not all applications require the highest precision; selecting equipment matching process needs is more economical.
3. Neglecting after-sales support: Dispensing machine commissioning and maintenance require professional technical support; the supplier's service capability is crucial.
4. Skipping sample testing: Selecting based solely on specification sheets carries risk; actual sample testing is the best way to verify equipment suitability.
VII. Conclusion
Selecting a suitable dispensing machine requires comprehensive consideration of adhesive characteristics, accuracy requirements, production capacity needs, workpiece features, and budget. It is recommended that enterprises thoroughly research the market, communicate with multiple suppliers, and conduct on-site sample testing before purchasing. A dispensing machine with matching performance and reliable quality can not only improve production efficiency but also effectively reduce defect rates, creating long-term value for the enterprise. Choose a professional dispensing machine brand to make your dispensing process more precise and efficient.
Second Intelligent Equipment Co., Ltd has played an important role in theresearch, development, manufacturing, pre-sales and after-sales services of fluid dispensing robot, potting and coating solutions which range from various types of automatic fluid dispensing, potting, two-component potting machines and coating machines with desktop, free-standing, inline or cobot combined systems, and widely used in global electrical, electronics, home appliances, automobile, telecom, pharmaceutical, automotive electronics, semiconductor, aerospace, LED and more.
https://secondintelligent.com/industry-news/second-intelligent-rtv-dispensing-equipment-high-precision-fluid-dispensing/
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