Pre150/200 Two Stage Extruder (Planetary Extruder with Single Screw Extruder) PVC Pelletizing Extrusion

The "PRE" series planetary roller extruder is designed with a unique configuration where the planetary screw is inter-engaged at the center of a main screw and barrel, which are shaped like helical gears at a 45° angle. This design allows the planetary screw to revolve and rotate on its axis, making it ideal for processing various resins.

This extruder offers multiple applications, such as sheeting and filming, replacing traditional Banbury mixers or open mill mixers. It is also suitable for high-capacity pelletizing, with a capacity reaching up to 2000kg/h.

 

Due to the rolling and extrusion through the inter-engagement space, the extruder can plasticize resin at a low temperature.

Through the inter-meshing action of the toothed planetary roller system, just one single revolution of the main spindle suffices to roll out the plastic melt as many as 1,100 times, ensuring optimal plastification, homogenization, and dispersion.

 

The "PRE" series is a low-temperature forming extruder that produces materials without any change in properties due to its low-temperature forming and homogenizing capabilities.

Combined rolling and extruding action: through the inter-meshing action of the toothed planetary roller system, just one single revolution of the main spindle suffices to roll out the plastic melt as many as 1,100 times, ensuring optimum plastification, homogenization, and dispersion.

Compared with other extruder designs, this system increases the contact surface of the melt by up to five times.

Low-cost formulation: the optimum heat-exchanging effect created by the large contact surfaces of the planetary roller system in conjunction with short residence time of the melt helps to achieve a considerable reduction in formulation costs. Costly stabilizers and lubricants are reduced to a minimum.

Self-cleaning feature: since all toothed components of the machine constantly inter-mesh, no residual material is left in the machine when changing over from one formulation to another. The system is change-over from one color to another, resulting in no more than 5kg of scrap.

 

 Why Choose from Lanhang

 

1. Since 1992, with more than 20 years' professional experience

 

2. Overseas service centers available (in Europe, Japan, Dubai, etc.)

 

3. International CE, SGS, IAF, CNAS certification

 

4. National high-tech enterprise / products

 

5. Various national patents for inventions in rubber and plastic machinery

 

6. ISO9001:2008 management

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Product 2:

 Double stage extruder:

The first compounding extruder runs at a high speed for good mixing and high output capacity. The second extruder must be a larger diameter single screw one that can run at lower screw speed. The lower screw can avoid over-heating by internal cooling system and strong heat exchange ability. The functional separation allows operator to more flexibly control the expectable material mixing process and temperature.