Center Saddle Thread Sewing Inward Folding Machine With Patented Thread End Lock Function
Center Saddle Thread Sewing Inward Folding Machine With Patented Thread End Lock Function
Product Overview
The Center Saddle Thread Sewing with Thread End Lock and Inward Folding Machine is specifically developed for central saddle thread sewing and inward folding processing of notebooks, exercise books, bank account books, passports, manuals, and hardcover book blocks. Workpieces are loaded manually, while the majority of subsequent procedures run automatically.
Processes include fiber optic sensor controlled central thread sewing, automatic thread trimming, central half folding, book pressing, and finished product delivery. Equipped with a unique patented Thread End Lock function during stitching, the machine effectively eliminates loose thread ends by firmly fastening thread ends inside the last 1–3 pinholes for stable stitching quality. The adjustable working speed ranges from 800 to 1800 books per hour.
Application Scenarios
- Bookbinding factories: mass production of exercise books, notebooks, and bank account books
- Printing post-press workshops: processing passports, manuals, and various hardcover book blocks
- Manufacturers producing high-quality stitched books requiring stable, non-loosening stitching
- Production lines adopting inward folding process for thread-sewn book blocks
- Factories troubled by loose thread ends and seeking to improve finished book qualification rate
Core Advantages
This machine realizes integrated central saddle thread sewing and inward folding. Only manual feeding is required; fiber optic sensor controlled sewing, thread cutting, inward folding, spine pressing, and discharging are completed automatically.
The standout patented Thread End Lock technology secures thread ends inside the final 1–3 pinholes, fundamentally solving the common defect of loose thread ends. Suitable for multiple products including exercise books, passports, and hardcover books. With adjustable speed of 800–1800 books/hour, it delivers consistent high-efficiency production.
