Welcome to DONGGUANG ZHONGTIAN CARTON MACHINERY CO.,LTD
The premium heavy-duty stitching workstation engineered specifically for high-quality color-printed boxes, complex irregular shapes, and large-scale packaging. Combining multi-servo synchronization with premium international components, it effortlessly switches between single and double-piece operations, providing impeccable stitching accuracy with near-zero operator learning curve.
All-in-One Multi-Stitch Capabilities: Easily handles single stitches ($/$), double stitches ($//$), and reinforced/tie stitches ($//\ \ //$) in a single pass to meet various structural requirements.
Dual-Piece Jointing Master: A highly versatile 2-in-1 machine that smoothly processes single-blank sheets, double-blank jointed sheets, and highly irregular custom corrugated profiles.
Broad Flute & Box Adaptability: Engineered perfectly for 3-layer and 5-layer small-to-medium premium color-printed boxes, with customizable configurations available to support specialized bottom-stitched/top-open shipping trays.
1-Minute Order Changeovers: Allows operators to completely alter sheet dimensions and sizes in under 60 seconds. The operation is highly intuitive and requires zero prior stitching experience.
Advanced Multi-Servo Synchronization: Driven by a high-response multi-servo system that ensures rock-solid pitch stability, zero stitching drift, and absolute positioning accuracy at top speeds.
Intelligent HMI Pitch Control: Features a high-resolution central touchscreen managed by a premium Omron PLC system. Operators can directly input and save desired stitch pitches, allowing the computer to auto-calibrate spacing instantly.
Smart Batching & End-Conveyor Counting: The feeding section features an integrated automated counter. Finished bundles are separated into exact preset stacks (programmable from 1 to 99 boxes) and discharged seamlessly to the conveyor end for swift strapping.
German Tungsten Steel Tooling: The critical bottom anvil dies and cutting blades are forged entirely from genuine German tungsten steel, delivering unparalleled wear resistance and a drastically extended service life.
High-Speed Heavy-Duty Stitching Head: Equipped with a specialized heavy-duty stitching assembly precision-manufactured in Guangdong's leading industrial cluster, offering guaranteed heavy-load performance.
Premium AirTac Pneumatic Network: All pneumatic cylinders and air valves are supplied by world-class AirTac (Taiwan), ensuring ultra-responsive, leak-free mechanical cycles.
Top-Tier Electrical Components: All core control panel switches, heavy-duty push buttons, and mechanical limit/travel switches are sourced from tier-1 Taiwanese industrial brands for maximum workplace safety and uptime.

| Model & Parameters | SDJ-1600 | SDJ-2000 |
|---|---|---|
| Max. Paper Size (A+B) × 2 (mm) | 3200 | 4000 |
| Min. Paper Size (A+B) × 2 (mm) | - | 1060 |
| Max. Carton Length (mm) | 1480 | 1880 |
| Min. Carton Length (mm) | 3200 | 320 |
| Max. Carton Width (mm) | 1280 | 1880 |
| Min. Carton Width (mm) | 120 | 120 |
| Max. Paper Height (C+D+C) (mm) | - | 2500 |
| Min. Paper Height (C+D+C) (mm) | 250 | 250 |
| Max. Flap Size C (mm) (Originally Rock Cover) | 560 | 560 |
| Min. Flap Size C (mm) (Originally Rock Cover) | 50 | 50 |
| Max. Box Height D (mm) | 2000 | 2000 |
| Min. Box Height D (mm) | 150 | 150 |
| Max. Width of Stitch Joint / Tongue (mm) | 45 | 45 |
| Stitch Distance / Pitch (mm) (Nailing From) | 30-150 | 30-150 |
| Number of Nails / Stitches | 1-99 | 1-99 |
| Stitching Speed (stitches/min) | 600 | 600 |
| Machine Weight (Tons) | 2.5 | 2.5 |
| Component Name | Brand | Origin |
|---|---|---|
| Nose Servo Motor | Yaskawa | Japan |
| Paper Feed Servo Motor | Yaskawa | Japan |
| PLC, Photoelectric Switch and Proximity Switch | Omron | Japan |
| Contactors, Circuit Breakers | Siemens | Germany |
| Nose Reducer | LiMing | Taiwan |
| Intermediate Relay | Schneider | France |
| Nose Stitching Head Group | Guangdong Parts Assembly | China |
| Cylinder and Solenoid Valve | AirTac | Taiwan |
| Touch Screen | Weinview | Taiwan |
| Blade | German Alloy Tungsten Steel | Germany |
| Bottom Die | German Alloy Tungsten Steel | Germany |
| Gear Reducer | OTT / ZD | Shanghai, China |
| Worm Gear and Worm Reducer | ZHENYU | Hangzhou, China |
| Bearing | C&U | Jiangsu, China |