The Right Melter for Your Packaging Line

Finding the right melter for your packaging line can impact not only your productivity, but also your bottom line. Most commonly, maintenance managers and buyers simply replace the current OEM melter with the latest model. That is not always necessary. Universal Systems SE ProBilt™ melters have the same footprint as most all Nordson® systems and can easily fit into where the original tank is positioned. Just because your current packaging line has a Nordson® melter does not mean you have to replace it with another expensive Nordson®. Plus, all of our ProBilt™ melters are in stock and can ship same day!

There are several key points to take into consideration when choosing a hot melt system for your packaging line. The most important are: Melt Rate, Durability, & Cost-Effectiveness.

Melt Rate

The melt rate is the rate at which the tank melts the adhesive pellets as they are filled into the reservoir. This is where the tank capacity comes into play. Before moving forward with any hot melt adhesive system, first you need to understand how many pounds you need to melt per hour. The melt rate is dependent on how many hoses and gun applicators you are running and how many boxes are being sealed per minute on your packaging line. The most common tank capacity is the 20 lb. (10 Liter) ProBilt™ 20, with a melt rate of 23 lbs. per hour. If you are only running one line with one hose and gun applicator, then you may only need the 15 lb. (7 Liter) ProBilt™ 15 which melts 18 lbs. per hour or the 12 lb. (6 Liter) unit which melts 15 lbs. per hour.

Durability

Depending on how many shifts you are running, you need a melter that will work consistently and effectively. All ProBilt™ melters come with a 10-year heater warranty, which is the highest in the industry. In addition, all melters come standard with 4 hose / 4 gun capability and a set-back functionality that allows for easy start up and shut down. ProBilt™ melters are constructed out of 316 stainless steel, not only for its sleek look that will seamlessly blend with your packaging line, but also for its durability and sustainability on your production line floor.

Cost-Effectiveness

The economy is a huge question mark lately, being impacted by the lasting effects of the COVID-19 pandemic. With that, large CPGs are cutting back not only in personnel but in spending budgets for packaging. These tighter budgets won’t always allow for a buyer to simply purchase the latest Nordson® melter. Here at Universal Systems SE, we have seen more and more companies trying to repair older melters and plug any current issues with band-aids to stretch their fixed budgets as far as they can. Since we manufacture parts that are compatible with old Nordson® tanks, we have been able to help a lot of companies cost effectively navigate the times. In addition to our parts business, all of our ProBilt™ series melters are cost effective replacements for any Nordson®. We are currently running a 15% off and free shipping in the USA promotion to help out CPGs and support US based companies.

To learn more about Universal Systems SE’s ProBilt™ series of melters and components, please reach out to a customer service representative at sales@ussefl.com or call (561) 272-5442.

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Top 5 Tips to Hot Melt Machine Maintenance

Packaging lines are complicated pieces of machinery and knowing the ins and outs of each component is important. When you install a new hot melt system onto your packaging line, there are 5 helpful tips to take into consideration to ensure smooth operation and getting the most out of your equipment.

Read and Keep the Manual

The best practice for maintaining your hot melt tank is to read the manual and keep it handy. So many times, maintenance managers will install the tank, but not read the instructions on how to wire it or program it. That can lead to so many issues. In other instances, a tank may be running for some time, but someone hits a button accidentally and changes a setting, then doesn’t know how to change it back. If only they had read the manual or kept it on hand. It sounds like such a common-sense thing, but oftentimes manuals are discarded with the shipping crate. For this reason, we keep a digital manual on our website for anyone to reference.

Replace the Filters

Preventative maintenance is one of the most important tasks to keep your machine running efficiently and reduce down time for your packaging line. When your tank filters are clogged, that is good, it means that they are doing their job and filtering out char. Changing them on a regular basis and spending a small amount on a tank filter will save you thousands in the future.

Monitor Your Hot Melt System

Line operators are tasked with monitoring tanks on a daily basis. It is important to make sure that the pump is pumping smoothly, the solenoid is not lagging and the guns and hoses are heating to temperature and staying there consistently. Even a minor change in any of those tasks can mean that it is time to proactively replace a component, or at least make sure there is a back up on the shelf.

Know Your Options

Knowing your options ties all three previous tips together. If you have read the manual, you will know what your options are when something goes down. If you are doing preventative maintenance, then you know it is not the tank filters. And if you are monitoring your system, you know what components you replace most often and what inventory you have on the shelf. In addition, you should also know what options you have should you need to replace your current system. Is the current technology working for you or do you want to upgrade to an auto-fill system? It is always good to be prepared and know your options.

Listen to Your Workers

Line operators are on the front lines, literally. They watch particular lines and machines on each line all day, every day. They know what parts are running effectively and where the problems may lie. It is important that you listen to them. They might not be the maintenance manager by job title, but they are the most knowledgeable about the equipment they are in charge of and their opinion should be the first requested.

 

For more tips on keeping your hot melt systems running to the best of their ability, please give us a call at (561) 272-5442 or email tech@ussefl.com.

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When to Use Micro-Adjust Modules

Hot melt system modules are located on the front of your applicator guns. There are several different types of modules and in most cases, they can be easily replaced on the manifold versus replacing the entire gun assembly. Changing out a module is a more cost-effective way to increase productivity and lower glue costs. Typically, modules need to be replaced when they are having glue dripping issues or major leaking from the nozzle. This is caused by normal wear or char getting stuck in the piston chamber, not allowing it to seat securely.

When replacing a module, you have the option of buying a standard case sealer module or a micro-adjust module. This refers to the module’s adjustment cap on the module body. A standard case sealer module comes pre-set and typically needs no adjustment. This is our most popular style module. A micro-adjust module cap is typically sold on Zero Cavity or ProBead Reduced Cavity modules. These modules have a user-friendly adjustable screw top that changes the pressure of the glue through the nozzle. This allows the operator to dial in a precise glue bead. Typically, zero cavity and ProBead reduced cavity modules have micro-adjustable caps for this reason. For example, they are used on medication boxes or beauty supplies. Another advantage to a zero cavity or ProBead reduced cavity micro-adjust module is the self-cleaning functionality, limiting charring and clogging.

For more information about micro-adjust modules please reach out to a technical sales rep at sales@ussefl.com or call (561) 272-5442.

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How to Change Out a Melter Pump

There are several reasons why a melter’s pump might stop working. The most common reasons are clogging of the ball and seat from foreign matter such as carton dust, and the actuator clogging due to dirty or oily air. No matter what the reason, if your pump stops pumping it needs to be replaced. Obviously, it much more cost effective to change out a pump then to replace the entire unit. However, it is not always easy to switch out a pump, especially if you are new to the line. Below are a few tips to help ease you through the process.

  • Make sure the circuit breaker on the front of the unit is set to OFF once the applicator has reached normal application temperature.
  • Shut OFF the input air to the pump.
  • Set the pump regulator to zero and trigger all guns to relieve system pressure.
  • When removing the old pump, rotate it slightly to break the suction and then pull it straight up and out.
  • When installing the new pump, make sure to torque the screws 15-16 ft-lbs.
  • Connect the pump electrical plug to tank receptacle and turn tank back on.
  • Once the tank board reads that the tank has reached set temperature, wait 15 minutes. This will allow the glue around the pump hydraulics to get to temperature.
  • After waiting 15 minutes, reinstall the air regulator and connect the airline and activate air.

 

If you have any further technical questions and want to speak with a technical sales rep, please call (561) 272-5442 or email sales@ussefl.com.

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Know Your Strengths

Knowing your strengths and the value add that you provide are important keys to success for any business. Universal Systems SE’s strength is the in-house manufacturing, QA process and customer service that we provide to our customers all year. The value add is the high-quality material and product that we put to market at a more affordable rate than most of our competitors.

Every day we have maintenance managers or co-packers calling in to find out if we can support their old Nordson® tank. The simple answer is yes. We can support old melters and usually fix any issues that your hot melt applicator may be having. On our website, we offer a search functionality that cross references thousands of product IDs from other manufacturers to make it easy to see which USSE parts are a perfect fit for your old system. However, not only do we support the old, but we manufacture new equipment that will function the same as your old and hopefully last longer. In order to help increase the life expectancy of your hot melt equipment, we offer a recommended maintenance schedule for any maintenance manager so that they can keep up with the life of their products and know when to replace important parts.

Another value add is the fact that we stock over 10,000 items at all times. Not only do we have hundreds of different styles and diameter nozzles in stock, we also stock pumps, control boards, filters, hoses, applicator guns, modules and we always stock tanks. Unlike most manufacturers, that make to order tanks, hoses and guns, we have one of the largest in stock inventory of any other hot melt manufacturer. And everything ships from the US, which means that you can typically get it within the week or overnight service if needed.

If you are ever in need of technical support for your old melter or hot melt equipment, do not hesitate to call us at (561) 272-5442. We are here to use our strengths, to help you add value.

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The Importance of Product Support

Universal Systems SE has been manufacturing hot melt equipment since 1981. Starting with hoses and nozzles, then moving into applicators, pumps and tanks. Our first ProBilt tank was launched in 1990. Since then, our melter has only had a couple of generational upgrades. We believe that this is what sets us apart from other hot melt equipment manufacturers in the industry today. We have never believed upgrading our equipment or technology so much that it makes our old tanks in operation obsolete. We have added features and improved upon what we initially launched in 1990, but we have not let technology negatively impact the operational ease of our machines.

USSE believes in the importance of long-term product support and cross compatibility. There are hot melt system manufacturer’s in the industry, like Nordson®, who have discontinued not only production but also product support of their old melters. Both the 2300 series and 3000 series melters, while discontinued by Nordson®, are still in operation in hundreds of packaging facilities across America. Unlike Nordson®, Universal Systems still supports those old melters because we appreciate the fact that many of these melters, similar to the ProBilt melters, continue to run even 20+ years after initial operation. We are one of the only manufacturers in existence to still make and service 2300 & 3000 series pumps.

We also believe in product uniformity across all of our melters. That is why when we designed our melters, we made sure that all of Universal Systems’ ProBilt machines run the same control boards, pumps and tank filters. In most cases, facilities run several ProBilt melters, but only need to stock 1 or 2 of each spare part. That uniformity creates a streamlined and more simplistic inventory process.

As we move deeper into 2021 and our new normal continues to change, think about how the importance of long-term product support and a streamlined inventory process can help keep your packaging lines up and running. For more information about Universal Systems and our ProBilt line of melters please email sales@ussefl.com.

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How to Obtain Maximum Adhesion on Your Packaging Line

As we return back to work from the shut down earlier this year, facilities may be experiencing several new situations or issues that they have either never dealt with before, or maybe they are new to the industry and need help with understanding how best to operate a high-speed packaging line. We are hearing from a lot of our customers, both old and new, that good adhesion has become a problem. Even though we are moving into the summer and the weather is no longer a potential cause of adhesion issues, there are a few other checklist items that you can walk through to help correct any lack of adhesion.

The first thing to check is the distance of your application gun and nozzle tip to the container or carton you are trying to glue together. If there is too much distance between the tip and the box, the glue could be cooling mid-air, not allowing the cartoner to get full adhesion when moving the box to the folding stage. This solution could be a simple mounting adjustment to lessen the space between the nozzle tip and the box.

Another item to review is the viscosity and melt rate of the glue you are using. It is imperative to educate your line operators on the glue specifications to make sure they are heating it to the correct temperature. On the flip side of that, make sure they are not over-heating it and making the glue too thin, creating a longer open time for the adhesive. Knowing the specifications of your glue will also help you to regulate the amount of glue you are using on your applications, hopefully keeping your operating budget down.

In addition to the above listed items, we also highly recommend regular maintenance on your hot melt system to limit the amount of char building up in the tank. Performing regular maintenance such as changing out tank filters, in-line filters and cleaning out the tank quarterly, will lessen the effects of char through the line. If you do have a lot of char build up, that can and will transfer through the system and onto the box. Too much char mixed in with your glue can be causing adhesion issues. Once the glue dries and hardens around the char, the char can separate from the box.

If you are experiencing any adhesion issues or have any other troubleshooting questions that you would like to review with a technician, please call Universal Systems SE at (561) 272-5442 or email tech@ussefl.com.

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Chillers on Your Manufacturing Line

Now you may be asking yourself, why am I reading about chillers on a hot melt blog? The answer is easy, Universal Systems SE manufactures heated hoses that can be used for transferring many more substances other than glue. And when there are applications that do not include glue, the manufacturing lines may need chillers.

Our heated hoses, while mainly used for high speed packaging glue application, can also be used for heating and transferring a plethora of other materials. Our Teflon lined hoses can transfer anything from candy, make up, wax and much more! Depending on the use and application of different substances, the packaging line can be filling at high rates of speed. Heating and filling formed containers for candle wax, as an example, can be tricky because in this application the wax needs to cool quickly so that it can be formed, packaged and shipped out to end users. One of the most common questions we get in this situation is: How can I keep my forming operation running at a high-speed pace from start to finish? The answer here is chillers. Essentially how a chiller works is it is built into the conveyor line. So, the product would be heated in a melt pot, transferred through the heated hose, dispensed into containers, and then fed along a chiller that is built into the line. The product goes from hot to cool in a matter of seconds.

If you have any other questions on how we can help you keep your production lines running at high-speed capabilities, please reach out to sales@ussefl.com or call to speak with a technician (561) 272-5442.

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The Importance of Graphite Seals & PTFE in Hot Melt Equipment

Graphite seals and PTFE are used in all of Universal Systems SE’s pumps and modules to increase the longevity and life of those products. But why? In order to understand how we can boast about the quality of our products, it is first important to understand the quality and reasoning behind using certain key components.

Graphite seals are used in both the pumps and modules to create a smooth seal for the piston to move seamlessly through. Below are a few bullet points that explain why this particular component is so important.

  • Excellent heat resistance – up to 500°F – most all hot melt adhesive systems will heat up to 450°F, so even if a packaging line runs at the highest temperature allowed by the system, the graphite seals will remain unscathed.
  • It has a medium to high pressure rating – the maximum operating pressure on any pump should not exceed 35 – 45 psi. The most common operating pressure is 20 – 25 psi. These seals are rated perfectly for this type of application.
  • Excellent abrasion resistance – some packaging lines are not run with the cleanest adhesives, so utilizing graphite seals allows for any adverse environmental condition.
  • Very resistant to chemicals – this allows the end user the ability to not only use multiple types of adhesives, but cleaners as well.
  • Excellent extrusion resistance in severe conditions.

If you are interested in learning more about the components used to manufacture Universal Systems line of ProBilt™ equipment, please call (561) 272-5442 or email tech@ussefl.com.

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Keep Your Melter Clean

Keeping your hot melt adhesive system clean may seem like an impossible task. Take a look at your melter now, it is probably bronzed and blackened with old melted glue. Well guess what…that is what travels through your application system and onto your boxes. Also, do you see all of the little bits of blackened glue? That is called char, and it is a big problem for your equipment. Even though your melter looks like this now, it is possible to keep it clean “ish”. Now, this melter runs in a packaging line, most likely 8 – 12 hours per day, every day, so there is no way that tit is going to stay pristine or even look clean after its first use. However, there are a few tricks of the trade to keep your melter looking good and running even better for decades to come.

Universal Systems SE sells a product called Purge Plus™ that, when used properly, will clean almost any melter. The directions for use are simple:

  • Drain all hot melt from tank reservoir
  • Fill reservoir with Purge Plus™
  • Heat Purge Plus to 350°F – 375°F for approximately 45 minutes
  • Open tank drain valve and remove tank filter assembly
  • Slowly start pump and run Purge Plus™ through the tank manifold and into a meal container until reservoir is empty
  • Stop pump, replace filter assembly and close drain valve
  • Carefully wipe any remaining contaminants from tank reservoir
  • Add new hot melt and recirculate through system
  • Drain one cup from each hose

In addition to cleaning the tank reservoir and heated hot melt hoses, if you are running a ProBilt™ series melter, the exterior is manufactured out of 316 grade stainless steel. So, any stainless steel cleaner will shine the exterior of the tank.

For any additional questions about Purge Plus or how to properly clean your tank and hoses, please call a Universal Systems service technician at (561) 272-5442 or email tech@ussefl.com.

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