The unique construction of the anvil wheel housing it is possible to change over to another arm (Free arm, post or feed off-the-arm) quickly, allowing all kinds of seams to be welded available in custom made anvil wheels. Welding speed, amplitude, pressure and gap are infinitely variable. Low energy consumption and no consumables like needle and thread. Adapt to the most of thermoplastic sheets, laminates, non-woven and textiles with a high proportion (70% or more) of polymer and high wear comfort with lingerie items due to smooth seam.