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www.us-tech.com


October, 2017


Ultrasonic Bonding Creates Seamless Outdoor Coverings


By Melissa Alleman, Vice President, Sonobond Ultrasonics


lumped together. But, for manufac- turers of protective coverings for out- door use, employing Sono - bond Ultrasonics’ equip- ment for ultrasonic leak- free seam ing has con- tributed to the enduring quality, effectiveness and success of their products. Manufacturers of many types of protective cover- ings that require imper- meable seams can benefit, including those used for automobiles, RVs, motor- cycles, utility and all-ter- rain vehicles, boats, and snowmobiles. These cov- ers are also used for out- door furniture covers and cushion liners, barbeque grill covers and even pro- tective envel opes for prod- uct shipments.


U


Efficient Fabric Joining


Sonobond’s tech-


nology offers excellent efficiency, speed and reliability for ultrasonically joining fabrics that are entirely synthetic or blends with up to 40 percent natural fibers. The company’s assembly equipment re- quires no glue, thread, needles, or other consumables. It eliminates the problems caused by glue gaps, thread breakage, color changes, stitch holes, fraying, and unraveling. Instead, high-frequency vibra-


Ultrasonically-bonded outdoor furniture covering.


and heavy-duty power supply, the welding horns, nests and fixtures of this unit can be customized. Materials best suited to Sono -


tions are channeled into synthetic and synthetic-blend fabric as it pass- es between an ultrasonic unit’s horn and anvil. These vibrations create a rapid heat buildup that causes the material’s synthetic fibers to soften and fuse. The result is a bonded seam with a strong molecular-level seal. The seal is then impervious to poten- tial incursion and damage from envi- ronmental contaminants, such as sap, salt, snow, bird droppings, acid or freezing rain, and roadway debris. The equipment can also reach


production speeds up to four times faster than conventional sewing methods, and 10 times faster than adhesive assembly systems. Some manufacturers using ultrasonic as- sembly can boost output by as much as 25 percent.


Equipment Options Sonobond offers two types of ul-


trasonic bonding units especially useful for assembling protective cov- erings.


Similar in appearance and oper-


ation to traditional sewing machines, the SeamMaster® high-profile ultra- sonic sewing machine has a high clearance between the wheel and horn, allowing access for hand-guid- ed applications with curves and tight tolerances. The unit can seam, trim and seal in a single step, and offers a wide selection of interchangeable pattern rollers that also hem, emboss and print.


See at productronica, Hall B2 Booth 440


bond’s ultrasonic bonding include polypropylene, polyester, nylon, acrylics, PVC, and materials coated with thermoplastic urethanes. They can be configured as wovens, nonwo- vens, knits, films and laminates. Acrylics, such as those used for awnings, can be edge-cut and sealed to prevent fraying. To ensure that its equipment


satisfies materials and specifica- tions, the company offers a no-cost, no-obligation ultrasonic bonding via- bility test to produce sample assem- blies using the customer’s own syn- thetic fabrics. If the customer decides to pur-


chase one of Sonobond’s units, serv- ice and technical support is provided before, during and after installation, ensuring that the equipment is prop- erly incorporated into the customer’s production process. Since 1960, Sonobond Ultrason-


ics — originally known as Aeropro- jects — has garnered more than 150 patents for both ultrasonic textile bonding and metal welding. While doing so, it has established and maintained a well-earned reputation for innovative and quality-engi- neered products. Today, the company manufac-


tures a complete line of ultrasonic equipment used by leading compa- nies in a wide variety of industries for aerospace, automotive, appliance, electrical, HVAC, solar, filtration, medical, body armor, apparel, and


protective applications. Contact: Sonobond Ultrasonics,


1191 McDermott Drive, West Chester, PA 19380 % 610-696-4710 fax: 610-692-0674 E-mail: info@sonobondultrasonics.com Web: www.sonobondultrasonics.com r


ltrasonic bonding, outdoor furniture, and automobiles aren’t necessarily always


For bulky, large, multilayer,


and difficult-to-bond materials, the company offers its SureWeld™ 20 Ultrasonic PlungeBonder™. A com- bination of a rugged welding press


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