Versatile Capacity EPS Foam Batch Pre Expander Bead Making

Product Specification

EPS Expandable Polystyrene Beads Foaming Machine Batch Pre-expander PSPEB-N70.

Key Features of Batch Pre Expanders

• Expansion Process:

  • Batch pre-expanders work by heating polystyrene beads with steam, causing them to expand. The beads typically increase in volume by several times, creating a lightweight foam material.

• Controlled Environment:

  • These machines allow for precise control over the temperature, pressure, and steam duration, ensuring uniform and consistent expansion of the beads.

• Batch Processing:

  • Unlike continuous pre-expanders, batch pre-expanders process a specific amount of raw material (the batch) at a time, making them suitable for smaller production runs and specialized products.

• Versatility:

  • They can accommodate various bead sizes and densities, allowing manufacturers to produce different types of EPS foam based on specific requirements.

• Insulation and Cooling Systems:

  • Typically equipped with insulation to maintain temperature and cooling systems to cool down the expanded beads before they move to the next stage of production.

Operation Steps

• Loading: The machine is loaded with a specific quantity of polystyrene beads.
• Heating: Steam is introduced into the pre-expander, heating the beads and causing them to soften and expand.
• Expansion: As the beads absorb steam, they expand and fuse together, creating a lightweight foam.
• Cooling: Once the expansion process is complete, the expanded beads are cooled to maintain their shape.
• Discharge: The expanded beads are then discharged from the machine for storage or further processing in molding machines.

Applications

• Insulation Materials: Used for creating thermal insulation products in construction, such as panels and sheets.
• Packaging Solutions: Provides cushioning materials for fragile items in shipping and packaging industries.
• Consumer Products: Employed in the manufacture of various consumer goods that require lightweight and insulating properties.

Advantages of Batch Pre Expanders

• Cost-Efficient for Small Runs: Ideal for manufacturers that require flexibility and lower production volumes without the need for continuous processing.
• High Quality: The controlled environment allows for high-quality bead expansion, leading to consistent product characteristics.
• Adaptability: Suitable for a wide range of applications, enabling manufacturers to produce tailored products based on specific market demands.

Maintenance Tips

• Regular Cleaning: Ensure the machine is regularly cleaned to prevent residue buildup that could affect performance.
• Inspection and Calibration: Periodically inspect key components, such as steam valves, pressure gauges, and heating elements, for optimal operation.
• Documentation: Keep maintenance records to track performance issues and ensure timely servicing of parts.

 


 
FAQ
1. Where is your factory located?
We have 2 production plant, one plant locates in Hangzhou which professionally producing EPS/EPP/ETPU machine. Another factory locates in Jiangsu Provide which producing EPS/EPP/ETPU mould. Both two factories are pretty close to the Shanghai port for easiest transportation.
 
2. Do you have detailed and professional installation manual?
We will provide very detailed installation manuals and videos, and the service until you are satisfied
 
3. Are you a trading company or a manufacturer?
We are manufacturer.
 
4. How long is your delivery time?
Normally delivery time is 30~45 days.
 
5. How many years have your company made this kind of equipment?
More than 10 years.
 
6. Can I only buy some spare parts from you?
Yes, we also provide all kinds of spare parts that relatives to our machine.
 
7. How do you pack the equipment?
We will strengthen and protect the equipment to ensure that they will not be damaged during transportation
 
8. Can you send your staff to install the equipment for us?
Under normal conditions, it is possible. Now it is an epidemic situation.
We will try our best to assist in case wecannot send technician in time. We will also conduct video connections with guests to teach them to install them in place.
 
9. Can you can design the equipment according to our size?
Yes, it is acceptable
 
10. How many production lines in your factory?
We have total 10 production line.