Champ Industrial Hot Melt Guns & High Hot Melt Rate Tips
Bulk self contained hot melt handguns, such as Glue Machinery Corporations Champ Hot Melt Handguns, process hot melt in an internal reservoir located inside the gun. This gun has very high output capability, far in excess of the guns ability to melt adhesive.
Adhesive should be regularly introduced into the gun in small quantities of less than one ounce to maximize the melt rate of this industrial equipment. A tank of molten hot melt adhesive dramatically increases the guns ability to melt hot melt and insures that the glue pattern is not affected with cooler, lower viscosity hot melt.
The Champ Guns all have adjustable temperature controls. It is important to keep the gun at or below the recommended adhesive application temperature of 350 F. The Champ 5, featuring the easily adjusted temperature dial on the back, is recommended if you need to ramp up the melt rate for short intervals.
Over-heating hot melt is counter-productive and usually causes adhesive degradation and/or charring. Charring of the adhesive creates debris that can clog the nozzle or hold the check valve nozzle tip.
We recommend the following Hot Melt adhesive tips:
1. Reduce the temperature of the gun to suggested levels
2. Fill the gun regularly
3. Use higher quality hot melt for improved consistency, strength, and ease of application
4. Add a second gun for backup and streamlining purposes
5. Purchase a melt tank to supplement the melt rate of the guns and lower the temperature of the guns
6. Consider purchasing a larger hot melt system to include tank with pump, flexible hose, and handgun. These systems are able to handle your higher melt rate requirements
Dynamini Bulk Hot Melt Tank from Glue Machinery Corporation
In manual assembly and packaging applications, the actual hot melt adhesive usage is often twice as much as is required. Precise manual application of hot melt can be difficult; therefore operators apply additional adhesive to insure a sufficient bond. Packaging and/or product failures are more expensive than the cost of adhesive overuse, so managers simply accept higher adhesive consumption as a cost of doing business.
With skyrocketing raw material and shipping costs pushing the average cost of hot melt to more than $2.00 per pound, it makes sense to take another look at hot melt consumption.
Tips to Control Hot Melt Adhesive Consumption:
TRAINING — Operators have the ultimate control over adhesive usage. Thorough documentation and training on approved assembly procedures will help operators gauge the correct amount of adhesive usage.
EVALUATION — Regular quality control checks should be performed to ensure that the appropriate amount of adhesive is being applied. If not, additional communication and training with operators might be necessary.
EQUIPMENT – There are many options within adhesive application equipment. Melting, pumping and applying capabilities of equipment should match assembly requirements. Under-specified hot melt equipment may require operators to overheat the system in order to maintain sufficient melt rates. This overheating can degrade adhesive and affect subsequent bonds. In addition, this can lead to increased system maintenance requirements.
ADHESIVE – It is critical that the adhesive have the appropriate open time, set time and bond strength for the application. This can only be accomplished with thorough testing. If any characteristic of the adhesive does not match the application, consumption will certainly be affected. Keep in mind that more adhesive does not necessarily mean a better bond; the amount of adhesive affects set times and subsequent bonds.
ERGONOMICS – Make it easy for operators to manipulate their tools. Ease of operation enables operators to apply consistent patterns.
ASSEMBLY TIME – Operators need to have sufficient time to focus on the application. This will allow for correct and standardized adhesive patterning on each package.
AUTOMATION – Consider ways to go “Hands Free.” Benchtop units and XY Tables can provide more consistent and controlled adhesive application.
With proper training, monitoring, supplies and tools operators can produce better products, in less time with less adhesive. Please visit www.gluemachinery.com/ergo-erector for an example of a system that has produced significant adhesive usage reductions in the case erecting industry.
Be sure to check in next month for information about reducing adhesive consumption in auto glueing applications.
Contact Pierce Covert to discuss your particular process and application needs to find out how we can improve your consumption rates.
Hot melt adhesive can cause severe burns, therefore it is critical that users are very careful when operating on or with this machine. When working with this filter please remember to wear protective gloves, clothing, and glasses to prevent burns and other related dangers. It is also important to turn off both air and power to your hot melt system before servicing the filter in the hose manifold.
We suggest that you read all manuals for the Dynamini and Dynamelt prior to servicing the unit as well.
After performing the preventative and initial steps above, remove the cover plate covering the top of the hose manifold.
With an M5 Allen wrench vent the pressurized adhesive from the hose manifold as shown in the video to be shown below.
Finally, with a 5/8 wrench remove the large bolt and extract the 40 or 100 mesh filter from the hose manifold.
Call or email Glue Machinery service technicians with any questions regarding the Dynamini or Dynamelt. Please note that all parts are available and often ready for immediate delivery with one call for these units.
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5, November