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What is a Book Binding Sewing Machine?
What is a Book Binding Sewing Machine?
A Book Binding Sewing Machine (book sewing machine) is a specialized piece of printing and bookbinding equipment designed for stitching paper sheets/signatures into a solid book block via thread sewing—one of the core processes in traditional and high-quality book binding. It replaces manual needlework to sew loose paper pages (or folded signatures/sections) together along the spine, forming a durable, lay-flat book block that serves as the base for subsequent book binding steps (e.g., gluing, casing-in, adding a hard/soft cover).
This machine is a key piece of equipment for producing sewn books (distinguished from perfect-bound books with only spine gluing), and is widely used in professional bookbinding factories, printing houses, and high-end graphic customization workshops, with both industrial high-speed models and small desktop semi-automatic models for small-batch fine binding.
Core Working Principle & Basic Process
The machine sews the paper stack/signature along the gutter (the inner margin near the spine) with cotton, linen, or nylon sewing thread, forming a continuous and firm stitch that locks the pages together. The basic working process for standard book sewing is:
- Sheet Preparation: Loose paper pages are folded into signatures (the basic unit of book binding, usually 4/8/16 pages per signature) and collated in order; for thin books, un-folded loose sheets can be sewn directly.
- Feeding & Positioning: The collated signatures/sheets are fed into the machine (manual for small models, automatic for industrial models) and precisely positioned along the sewing line to ensure uniform stitch spacing and alignment.
- Automatic Sewing: The machine’s needle and bobbin coordinate to form regular stitches (e.g., saddle stitch, side stitch) along the spine margin; industrial models can complete multi-signature continuous sewing and thread knotting/splicing automatically.
- Book Block Forming: The sewn signatures/sheets form an integrated book block with a firm spine; the thread stitching prevents pages from falling out even with long-term use and frequent flipping.
- Post-Sewing Processing: The sewn book block is sent for subsequent binding steps (spine roughening, gluing, attaching endpapers, casing-in with hard/soft covers) to form a finished book.
Pub Time : 2026-01-29 17:54:15
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Nan Bo Mechanical Equipment Co., Ltd.
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Tel: 008613712492952
Fax: 86-769-83136759
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