With the many things to consider when choosing the right RF welder, safety is often overlooked when it should be at the top of the list. Safety is very important to JTE, which is why we created this guide that outlines which safety features you should consider when you are in the process of choosing an RF welder.

Are you trained on the machine?

In order to operate high powered machines such as RF welders safely, you must receive the appropriate level of training. This training should be conducted by someone who is experienced on the machine, or by representatives from the manufacturer. When looking around for a new welder, look for a company that provides in-depth training both on-site and after installation. All personnel who are going to operate the machine or be responsible for any maintenance should be familiar with the basics of RF welding, equipment features, fault diagnostics, lockout and safety procedures, troubleshooting options and preventive maintenance. Also, make sure the company offers follow up training sessions to ensure that your employees are knowledgeable throughout the life of owning the equipment which most often exceeds 10 years.

Are your employees following the maintenance procedures recommended by the manufacturer and Occupational Safety and Health Administration (OSHA)?

The most important component of any maintenance program is a lockout/tag-out procedure that is approved by the Occupational Safety and Health Administration and is documented. Ensuring this procedure is approved is especially crucial, because locking out and tagging out the power source means that no available voltage will be present on the line side of the welder’s main circuit breaker. During any maintenance, it only makes sense from a safety standpoint that the complete welding system is disconnected from the power source. In addition, RF machines are very sensitive to environmental moisture, dirt, and metal particles.  Make sure the provider of your equipment gives you daily, weekly, and monthly Preventative Maintenance procedures to follow, in addition to offering an annual PM Service and Extended Warranty programs.

Is the equipment properly shielded?

When purchasing new RF machinery, doing a quick check in key areas to make sure all critical components of the equipment contain the industry’s most advanced shielding for the lowest RF emissions is essential. Here are the 5 items that are most important to look for when considering RF shielding:

  1. Is the generator housed within a separate thick wall box with proper insulators and capacitors to help direct the RF into the feed strip?
  2. Is there a ground foot or ground fingers to ensure a proper return of the RF circuit back to the generator?
  3. Is the tool holder shielded?
  4. Is there a PLC integrated within the control system of the machine?  (Usually, this is an indication that there is adequate shielding so that the PLC can coexist with the RF while functioning).
  5. Is the maximum weld area output of the RF generator at least 6 sq. inches per kW? This type of output is not possible without a well-shielded RF machine.

Does the welder come with the built-in safety features?

Below are the safety features that all RF welders should have built in. If the machines that you are looking at do not come with these safety features, it should be a major red flag.

  • All doors and panels should be interlocked. In the event they unexpectedly open up during operation, the welder will shut down automatically.
  • Grounding devices should be installed on the oscillator and DC power supply. These will discharge any capacitors automatically to ground. (These are not needed for solid-state welders.)
  • There should be externally mounted, hand-resettable emergency stop button(s) on the machine that are accessible at all times.
  • The press should have a finger safety design that allows the press to move down under low pressure.

Working around and operating RF welders could be dangerous. One small mistake could have catastrophic results. Knowing this, JTE goes above and beyond when it comes to implementing safety measures on our machines. We have taken the time to add extra precautions on all of our machines, and to create a training program that is thorough.

Does the provider of your machine provide a 24/7 help support access for safety questions?

If you are experiencing major safety issues with your current machine, your welder may not be the right machine for the job. Our eBook 5 Signs That You May Be Using the Wrong Fabric Welder can help you figure out the answer to this question, and help you find the machine that fits your welding and safety needs.





For the second year in a row, JTE showcased its innovative technology at the NIBA Expo, NIBA/PTDA Joint Summit held at the Diplomat Beach Resort in Hollywood, FL on Sept. 27-30.  As the leading designer and fabricator of 3-D tooling and High Frequency (RF) Welding machines for the Lightweight Belting industry, JTE has set new standards for safety, quality, efficiency, and ease of use in the high frequency (RF) welding of PVC and PU cleats, sidewalls, edge caps, finger splices, and v-guides on PVC and PU coated and homogenous belts.

At the show, JTE featured its new sectional cleat tool which is the first commercially available tool to weld cleats up to and within the inside edge of sidewalls. It consists of multiple one inch segments with custom end pieces that are available to adjust to exact belt width. This tool, like other JTE modular tools is adjustable to allow for variations in length, height, and thickness of cleat.

In addition to RF Welders, Tooling, V-guide Notching and V-guide welding solutions, JTE continues to add new solutions to its Belting machine portfolio, and plans to introduce at least one new machine in the next 6 months. In an effort to share its expertise of RF welding technology,  JTE is currently scheduling training seminars specifically for belting applications and will be announcing the 2018 Training schedule soon – stay tuned for updates!

The Expo and Conference was a great way for JTE to connect with current customers and many new companies who desire to improve the quality and efficiency of their lightweight belt manufacturing. Call 800-355-4JTE or email tevling@jtemachines.com for more information or to schedule a site visit.




JTE Machines participated in the annual IFAI Expo which ran from September 26-29th in New Orleans, LA. The IFAI Expo which offers industry members the opportunity to interact with one another amongst product demonstrations and educational panels, offered something new this year: the opportunity for all manufacturers to come together for charity.

The IFAI introduced as a new addition to the expo this year, Manufacturing for Good, which is a live manufacturing experience that demonstrates the making of a duffel bag from start to finish. These duffel bags had a special final destination: Raintree Children & Family Services, which is a nonprofit organization that assists at-risk children and youth in New Orleans and its surrounding areas.

This event, which acted as a pop-up factory, highlighted machines from nine different manufacturers who all played a part in the construction of the duffel bags. JTE Machines was able to showcase their tabletop automatic PVC grommet punch and weld machine as they were in charge of installing the grommets on the duffel bags allowing for colorful name tags to be attached. While live demonstrations occur at every trade show, the products typically created are discarded at the end of the show. Not this time. 70 duffel bags were created as a result of the efforts of JTE and the other manufacturers. These duffel bags will be put to good use by the youth at Raintree Children & Family Services!



The rest of the Expo was just as exciting. Over the next four days JTE met with hundreds of companies in need of fabric welding, cutting, and automation solutions to increase productivity within their shops. These solutions often enable them to replace their scarce resource sewing operations with easy to use RF and Ultrasonic welding machines that can be operated by anyone. JTE also participated as a panelist in the “Choosing a Welder” seminar and conducted a “Welding Machine Safety and Maintenance” workshop which took place on the show floor! Traci Evling, (Managing Director of JTE Machines) commented, “Thank you to all of the visitors who stopped by the booth and attended these seminars- we look forward to seeing you again in Dallas next year or sooner at your own facility!”

To learn more, visit the JTE Machines website which has just been re-designed, and was debuted at the Expo!






JTE visited the annual IFAI Expo in Minnesota. Here are some pictures from the event!





Here are some pictures from JTE’s visit to the 2015 IFAI Tradeshow!




 Digital Output looks at textile finishing for the wide format printing industry. Main article on sewing options for digital print providers; sidebar on welding and seaming options.

When would it be better to utilize welding or seaming, rather than a sewing machine—what scenarios or conditions would make these better alternatives?

Anytime you are working with a PVC or PU coated material (Vinyl Banner Material), welding will provide a higher quality and watertight seam rather than sewing. If you use RF welding (radio frequency), the molecules of the plastic fuse together, and do not affect the thread inside, so the end result is the highest quality, most reliable seam you can achieve. Ascetically, the seam is smooth, and virtually invisible, with limited or no puckering and shrinkage of the material. This process is also excellent for multiple layer welding. For example, reinforcement webbing with a top and bottom layer of vinyl can all be welded at once.  In general, RF welding is less operator dependent than sewing, especially with traveling head machines that require the operator to simply line up the material on the table, and the machine does the rest of the work.  Other applications for RF welding include: weldable hook and loop and weldable PVC (plastic) grommets. For example, JTE just introduced a high speed punch and weld RF grommet machine for this application. Plastic grommets on banners are stronger, weather durable, and only require one for reinforcement, so they can be completely hidden, or clear, and not interfere with the image. There is no puncturing of the material, as needed with metal grommets.

Hot air or hot wedge welding is good for repetitive seams, and can minimize operator dependence in the traveling head format. Since this is not a molecular fusion, the reliability depends a bit more on the settings and operator, and this type of weld cannot be re-welded for repairs. It does not work with more than two layers, unless you have a custom setup up.

Ultrasonic welding is an alternative to sewing polyester fabrics and most thermal plastic material used in tradeshow graphics, flags and banners that are non-PVC coated.  JTE offers a sewing style version with a rotary horn, that can weld curves and shapes that normally would be sewn. Pure nylon material is not usually a good fit for ultrasonic, as it is too slippery and usually too thin. Automatic Rotary adhesive glue machines can also bond polyesters, acrylics and many other materials, without the need for seaming tape.

Please send responses to Lisa Guerriero, lguerriero@rockportpubs.com, and contact 978-921-7850 x12 with any questions or concerns.


Shop Supervisor Jim Temar and Fabrication Tech Dave Hollingsworth turning out quality products with the JTE 15kw HF welder.

Trico Belting and Supply Co. of Cincinnati, OH, is home of the world’s finest and safest conveyor belt fabrication specialists.

“JTE’s HF welding technology allows us to produce a wider range of belt configurations than were previously possible,” says Dave Hollingsworth, Fabrication Tech. “Production set up and job run have improved up to 50 percent.”

“The tooling design enables us to employ HF welding technology on numerous jobs that formerly had to be constructed using a hot air machine,” according to Jim Temar, Shop Supervisor. “So improvements have come in both fabrication time and product quality. We are very pleased with the training and technical support provided to date by JTE representatives.”


At the October 2014 IFAI show in Minneapolis,  JTE received a very positive response to its four new machine solutions, in addition to much interest in the new software update on the FIAB 900 Traveling RF welder. The new solid state JTE Tabletop Grommet Welder made its debut (pictured), along with the JTE 10kw Transportable welder on wheels for easy transport from one location to another on a customer’s production floor. The JTE Ultrasonic X/Y Weld and Cut system was discussed in the Cutting Workshop, but the real Showstopper was the new SeamSTRONG rotary adhesive bonding machine- the easy to use, and undeniably reliable solution for bonding acrylics, polyester, marine materials and more!

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