This Smyth F 150 L is a book binder — a machine used in commercial bookbinding to automatically stitch together folded signatures with thread, producing durable sewn book blocks. Book binders of this type, sometimes referred to as book sewing machines, are a cornerstone of hardcover and high-quality paperback production, and Smyth is a well-established name in the bookbinding machinery industry, long recognised for its thread-sewing equipment serving publishers, trade binders, and print finishing operations.
Built in 1992 and carrying serial number 0209, this is a large-format automatic thread-sewing machine capable of handling a wide range of signature sizes. The minimum signature size is 80 mm × 135 mm and the maximum is 560 mm × 340 mm, giving it considerable versatility across different book formats and product types. The machine is configured for 13 stitches per cycle, a count that determines the stitch pattern across the spine of each gathered section. Mechanical speed reaches up to 150 cycles per minute, making this a productive unit suited to commercial-volume throughput.
The machine is held in stock at Emskirchen, near Nuremberg, Germany, is available for immediate inspection, and can be tested on site.
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