Types of Adhesive Dispensers
Adhesive dispensers are tools used to accurately and efficiently apply adhesives, glues, sealants or other bonding agents. There are several main types of adhesive dispensers, each with their own features and ideal applications.
Manual Handheld Dispensers
Manual handheld dispensers rely on the user to apply pressure to a trigger, plunger or lever to dispense the adhesive. They allow precise control over the adhesive flow rate and bead size.
- Caulking guns for dispensing cartridge adhesives.
- Syringe dispensers for precise, small volume applications.
- Bottleneck dispensers for thin viscosity glues.
Manual dispensers are lightweight, portable, and good for small DIY and craft projects. However, they require more user effort and can result in fatigue for large volume applications.
Electric Dispensers
Electric dispensers use an electric motor to automatically dispense the adhesive at a controlled flow rate. They are suited for high volume production or repetitive applications.
- Benchtop dispensers for assembly lines or stationary use.
- Cordless, handheld dispensers for portability.
- Programmable dispensers to control dosage amounts.
Electric dispensers improve consistency and reduce worker fatigue. However, they are bulkier and require being plugged in or charged.
Pneumatic Dispensers
Pneumatic dispensers use compressed air to provide power for dispensing the adhesive. They have variable speed triggers for controlling the flow rate.
- Can mount directly to adhesive drums or pails.
- Flexible air hoses allow mobility.
- Drip-free dispensing for reduced waste.
Pneumatic systems are ideal for high viscosity adhesives. They have higher upfront costs but provide very consistent results for production environments.
| Dispenser Type | Pros | Cons |
|---|---|---|
| Manual | Inexpensive, portable | Fatiguing for high volume use |
| Electric | Consistent flow rate, reduced fatigue | Less portable, requires power source |
| Pneumatic | Highly consistent results, handles high viscosity adhesives | Higher upfront costs, compressed air required |
There are also specialty dispensers like desktop hot melt glue guns, large volume bulk melters, and portable foam dispensing equipment that excel in specific applications.
Selecting the right adhesive dispenser type results in more efficient application, less waste, and better end products. Consider the viscosity, required flow rate, application environment, and portability needs when choosing a dispensing system.
Manual Adhesive Dispensers
Manual adhesive dispensers are hand-operated tools used to apply glues, epoxies, sealants and other liquid adhesives. They allow direct user control over the adhesive flow rate and bead size.
Types of Manual Dispensers
- Caulking Guns - For cartridge or sausage pack adhesives
- Syringe Dispensers - For precise, small volume applications
- Bottleneck Dispensers - For thin viscosity liquid glues
- Roller Bottle Dispensers - For spreading larger amounts
- Manual Hot Melt Guns - For solid hot melt adhesives
Key Features
- Lightweight, compact size for portability
- Ergonomic handles and triggers to reduce hand fatigue
- Precision tip dispenser nozzles for detailed work
- Followers or plungers to push adhesive out smoothly
- Adjustable flow control settings
- Release mechanisms to halt flow instantly
Benefits of Manual Dispensers
- Inexpensive initial cost
- Versatile for wide range of adhesives
- Intuitive manual control over flow rate and bead size
- Allow greater precision and accuracy
- Portable and suitable for small applications
Limitations of Manual Dispensers
- Require more physical effort from the user
- Can be fatiguing for high volume production runs
- Flow rate can be inconsistent during long applications
- Limited to smaller container sizes
Recommended Uses
Manual adhesive dispensers work well for:
- DIY, craft, hobby and home projects
- Small construction and repair jobs
- Intermittent production or assembly uses
- Applications requiring very precise glue beads
Overall, manual dispensers provide intuitive control for applying adhesives in a wide variety of scenarios. For large volume production runs, electric or pneumatic dispensers may be more suitable.
Electric Adhesive Dispensers
Electric adhesive dispensers use an electric motor and automated controls to dispense glue, epoxy, sealants, or other liquid adhesives. They provide consistent, high-volume adhesive application for production environments.
Types of Electric Dispensers
- Benchtop dispensers - Stationary units for assembly lines
- Handheld cordless dispensers - Portable, battery-powered tools
- Drum pump dispensers - Mount directly to adhesive drums
- Programmable dispensers - Allow flow rate and dosage control
Key Features
- Electric motor provides power to dispense automatically
- Variable speed triggers for flow rate control
- Digital cycle counters to track usage
- Programmable for different viscosity adhesives
- Integrated flow regulators and anti-drip valves
Benefits
- Consistent bead size and adhesive flow rate
- High hourly output for production environments
- Reduced worker fatigue compared to manual dispensers
- Eliminates variability from user technique
For example, a pneumatic drum pump dispenser can apply up to 15 gallons per minute of viscous adhesive on an assembly line. This allows workers to focus on assembly tasks rather than adhesive application.
Limitations
- Higher initial investment cost
- Cordless types require charging batteries
- Not as portable as manual applicators
- Prone to mechanical wear and electrical failures
Applications
Electric adhesive dispensers work for high-volume production environments like:
- Assembly lines in manufacturing plants
- Woodworking shops
- Automotive body assembly
- Packaging operations
For lower volume applications that require more portability and user control, manual dispensers may be preferred. Overall, electric dispensers optimize adhesive application for speed, efficiency and consistency in industrial settings.
Pneumatic Adhesive Dispensers
Pneumatic dispensers use compressed air power to apply adhesives, sealants, epoxies and other liquid products. They provide precise, consistent bead dispensing for high viscosity materials.
Types of Pneumatic Dispensers
- Drum mount dispensers - Attach directly to adhesive container
- Portable handheld dispensers
- Dual action dispensers - Variable speed triggers
- Robotic dispensers - Integrate into assembly processes
Key Features
- Air regulators to control dispenser pressure
- Flow rate and bead size adjustments
- Stall resistant fluid sections
- Drip-free dispensing
- Venturi vacuum loading from drums
Benefits
- Handle high viscosity materials like silicones
- Consistent, high speed dispensing
- Reduce waste with drip-free cutoff
- Applies adhesives without thinning
For example, a pneumatic drum dispenser can apply 600mL per second of silicone sealant on products on an assembly line. This high flow rate increases production speed.
Limitations
- Higher equipment cost than manual types
- Require in-house compressed air source
- Not as portable as manual dispensers
Applications
Pneumatic dispensers work for processes like:
- Weather sealing in window & door fabrication
- Pool liner adhesive application
- Potting electronic components
- Product assembly lines
For lower viscosity adhesives or smaller applications, electric or manual dispensers may be more suitable. Overall, pneumatic systems provide heavy duty dispensing performance for manufacturing needs.
Similar products
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What Are The Benefits Of Using An Automated Adhesive Dispensing System?
Automated adhesive dispensing systems offer several benefits over manual dispensing. Here are some of the advantages of using an automated adhesive dispensing system:
Overall, automated adhesive dispensing systems can help businesses improve their efficiency, reduce costs, and produce higher quality products.
