Inward Folding Thread Sewing Machine
Complete automated sewing, cutting, pressing and discharging operations for efficient bookbinding production.
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.
Key Processes
- Fiber optic sensor controlled central thread sewing
- Automatic thread trimming
- Central half folding
- Book pressing
- Finished product delivery
- Patented Thread End Lock function for secure stitching
Performance Specifications
| Working Speed Range |
800 to 1800 books per hour |
| Thread End Lock |
Secures thread ends inside last 1-3 pinholes |
| Operation |
Manual loading with automatic processing |
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
Specially engineered for thread-sewn inward-fold book blocks, the equipment covers diversified product demands ranging from exercise books to passports and hardcover publications. Full automation after feeding simplifies workshop operation and lowers labor intensity. The innovative Thread End Lock patent prevents unraveling stitches and improves finished product durability. Flexible speed adjustment from 800 to 1800 books per hour allows matching different production line rhythms, ideal for mixed small-batch and mass manufacturing.