DOUBLE HEAD AUTOMATIC SEWING MACHINE (7C)
Achieve double the strength and security with our 7C Double Head Automatic Sewing Machine. Designed for heavy-duty packaging, it features dual simultaneous stitching and stepless height adjustment for maximum production flexibility.
📦 Semi-Automatic Double-Head Bag Closing Machine: Product Overview
The Semi-Automatic Double-Head Bag Closing Machine is a high-efficiency sealing equipment designed for closing the mouths of industrial paper bags, woven bags, and PP/PE plastic bags.
It utilizes a Japanese **Newlong TN-2D Industrial Sewing Head (2,400 RPM)**, ensuring solid, durable stitching and stable quality, making it the optimal choice for high-volume factory sealing operations.
Although this equipment requires manual placement of bags onto the conveyor, it can complete **double-side sealing in one pass**. This dramatically saves working hours compared to traditional manual double-sewing. It possesses three major advantages: **High Efficiency, Extreme Durability, and Cost-Effectiveness**.
✨ Key Features
- 1. Dual-Head Synchronous Stitching: 30–50% Efficiency Increase
- 2. Equipped with Newlong TN-2D Industrial Sewing Head (2,400 RPM)
- 3. Adjustable Bag Length for Product Versatility
- 4. Double-Head System is Convertible to Single-Head Mode
- 5. Compact Structural Design Saves Factory Space
- 6. Semi-Automatic Manual Bag Feeding: Labor Saving and Uncomplicated
Key Advantages and Flexible Production
- Double-Head Stitching: Performs **two parallel stitch lines** simultaneously.
- Stepless Height Adjustment: **Easily and quickly adjust the stitching head height**.
- Flexible Adaptation: Perfect for adapting to different bag sizes.
- High Reliability: Significantly reduces the risk of bag damage during **transportation**.
Technical Specification
| Specification Item | Value |
|---|---|
| Specifications Model | 7C+11C-8L |
| Capacity* (bags/min.) | Max. 40 bags/min. |
| Tube Length (TL) | 508~1,092m/m |
| Tube Width (TW) | 317~545m/m |
| Gusset Width (GW) | 63~127m/m |
| Stitch Range | 7~14mm |
| Number of Ply | Max. 6 Plies |
| Distance adjustable of stitch line from tube edge | At least 19-23mm |
| Main Drive Motor | 3.7 KW |
| Total installed power | 4.1 KW |
| Need air supply | 1 HP |
| Total weight | 2.6 t |
| Machine Size (L*W*H) | L4.7m * W2.3m * H1.9m |