The DS320 Back Sealing Powder Packaging Machine is a high-speed, small-dose automatic sachet solution designed for manufacturers that require consistent filling accuracy, strong seal integrity, and reliable continuous operation. Built around a PLC control architecture and a 7-inch human–machine interface (HMI), the system offers intuitive parameter setting, multilingual operation, and stable process control. With high-precision temperature regulation and carefully selected electrical components, the DS320 maintains uniform sealing quality across long production runs while supporting flexible packaging formats and material types. By pairing a mechanical piston pump with a stepper-motor-driven film pulling and vertical sealing structure, the machine delivers repeatable dosing and smooth bag forming for composite packaging films, making it well suited for powders and other fine, free-flowing products.
Product Features
High Efficiency with Stable Sealing Quality
The DS320 integrates PLC logic control with a stepper motor bag-pulling mechanism to ensure steady packaging speed and consistent pouch length. The coordinated motion control and stable temperature management help maintain clean, firm seals, reducing rejects caused by uneven heating or film slippage. This design supports efficient output for high-volume lines while keeping operation smooth and dependable during extended shifts.
Flexible Packaging Formats and Fast Changeover
The machine supports both back-seal sachets and four-side seal bags. By replacing forming components or selecting different metering configurations, the DS320 can adapt to multiple product characteristics and packaging requirements. This flexibility allows a single platform to cover powders, granules, tablets, and small particles, enabling manufacturers to respond quickly to new SKUs and varying dose specifications with minimal downtime.
Hygienic, Durable Construction for Regulated Production
All product-contact parts are manufactured from food-grade 304 or 316 stainless steel to meet hygiene expectations in food, pharmaceutical, and health product environments. The welded frame with a brushed exterior improves rigidity and corrosion resistance while simplifying daily cleaning and sanitation. The overall structure is designed for long-term stability, supporting consistent performance in demanding production settings.
Accurate Metering and Reliable Sensing
The standard mechanical piston pump provides stable small-dose filling performance, with accuracy influenced by material properties and fill volume. A dual-color photoelectric sensor enhances tracking reliability for printed films, improving cut position stability and helping maintain consistent presentation. The combination of precise metering, dependable sensing, and controlled sealing parameters supports repeatable packaging quality across batches.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | DS320 Back Sealing Powder Packaging Machine |
| Packaging Material | Composite packaging film |
| Metering Method | Mechanical piston pump |
| Packaging Range | 2–6 g (depending on packaging specification) |
| Metering Accuracy | ±3–5% (depending on material and filling volume) |
| Packaging Speed | Up to 160 packs/min |
| Packaging Film Width | Max 320 mm |
| Bag Size | Width 45–85 mm × Length ≤ 120 mm |
| Sealing Type | Back seal or four-side seal |
| Vertical Seal Width | 7 mm |
| Horizontal Seal Width | 8 mm |
| Cutting Method | Flat cut or serrated cut |
| Pouch Pulling Method | Stepper motor vertical sealing system |
| Photoelectric Sensor | Dual-color photoelectric sensor |
| Operating Voltage | 220V / 50Hz / Single Phase / 1.5 KW |
Application Fields
The DS320 is designed for precision, small-dose sachet packaging across a wide range of industries where hygiene, repeatability, and throughput are critical. It is commonly used for powder-based products as well as other small-particle materials, supporting consistent packaging quality for both consumer and professional markets.
- Pharmaceutical industry (small-dose powders, granules, tablets)
- Food and beverage industry (seasonings, instant mixes, functional powders)
- Health product manufacturing (nutritional supplements and powdered blends)
- Chemical and industrial powders (fine particulate products requiring controlled filling)
- Seasoning and instant food packaging (single-serve sachets for retail and food service)
