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What is Ultrasonic Sewing and Fabric Sealing?

Ultrasonic energy is an important tool for sealing, slitting, forming, and converting textiles, non-wovens, and film materials for many diverse industries and end uses. For all its flexibility and versatility, most ultrasonic production is done using two basic modes of operation - plunge or continuous - with variations depending on the application. Sealing and cutting can be done in
either mode.

Materials suitable for ultrasonic processing include 100% synthetics such as nylon, polyester, polypropylene, some polyethylenes, modified acrylics, some vinyls, urethane, films coated paper, and synthetic blends with up to 35-50% non-synthetic fiber content. Materials may be woven, non-woven, knitted, or laminated. The ultrasonic process preserves a fabric's good "hand."

Typical applications for the systems include protective garments, disposable hospital gowns, shoe covers, face masks, infants' nursery garments, filters, bags, curtains, sails, web splicing, bra straps and buckles, buttonholes, collar stays, darts, strapping, embossing, grommets, belt loops, filter media (woven and non-woven), zipper stops, vertical blinds, bedspread and mattress pad quilting, window shades, tenting material, medical disposables, and bag material.

The ultrasonic process is versatile - you can seam, cut, slit, trim, tack, emboss, or cut and seal simultaneously. The process is fast - sealing more than 600 feet per minute! It is simple and efficient, with no needles, threads, or other consumables. And, it is flexible. The equipment may be bench or table mounted, or integrated into your automated line.

For the "sewn" products industry, there are many advantages with ultrasonic sealing, including:

       Fast, economical, strong seals.
       No consumables such as staples, adhesives, or clips.
       Consistent results - from start-up to end of run.
       No warm-up time, costly temperature maintenance,
            or recovery time.
       Single operation cut and seal with no raw edges.
       Eliminates needles, threads, bobbins, and associated
            color matching, inventory, winding, and trimming.
       Non-contaminating, eliminates toxic glue or solvents.
       Edges are sealed with no stitch holes preventing penetration
            of chemicals, bloodborne pathogens, and particulates
            as required by OSHA.


    For additional information and to receive a 10% Discount on your next ultrasonic tooling order, complete the information located on the Contact Us page.

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