According to the growing demand for large plastic containers such as chemical drums and industrial tanks, the DHB-250B extrusion blow molding machine developed by Tincoo is designed for producing large-volume hollow products up to around 300L, featuring high automation, stability, and production efficiency.

Key Specifications

The DHB-250B is a heavy-duty industrial machine with the following core specifications:

• Model: DHB-250B
• Type: Extrusion Blow Molding Machine
• Material: PE (HDPE, etc.)
• Screw: Single-screw system
• Automation: Fully automatic & computerized
• Capacity: Up to 300L containers

Working Principle

The working process includes:

1. Melting plastic resin
2. Extruding a parison
3. Inflating inside the mold with compressed air
4. Cooling and demolding

Core Machine Design

1.  Extrusion System：High-performance single-screw extrusion ensures stable melting and uniform material distribution.
2.  Clamping System：Machines in this series typically adopt advanced clamping systems with high rigidity and stability, ensuring consistent product quality.
3.  Control System：Computerized control allows automatic parameter adjustment and fault diagnosis, improving production precision and reliability.
4.  Automation System：Fully automated operation including blowing, molding, and product take-out.

Key Advantages

• High Production Efficiency：Designed for continuous production of large containers.
• Energy Saving & Stability：Optimized mechanical design improves efficiency and reduces energy consumption.
• High Automation：Minimizes labor cost and ensures consistent output quality.
• Material Compatibility：Supports various materials such as PE, PP, and engineered plastics.

Applications

The DHB-250B is widely used for:

• Chemical drums
• Industrial containers
• Storage tanks
• Agricultural chemical packaging

Tincoo | Why Choose Tincoo

Tincoo offers:

• Over 40 patented technologies
• Global export experience
• Advanced European technology integration
• Custom solutions (multi-layer, multi-color bottles)

Selection Tips

When selecting a blow molding machine, consider:

• Product size range
• Automation level
• Energy efficiency
• After-sales service

Conclusion

The DHB-250B is a powerful and reliable solution for manufacturing large plastic containers, combining automation, efficiency, and industrial-grade performance.