Introduction & Application of Our PRE Series Planetary Roller Extruder The "PRE" series of planetary roller extruder, experiences rolling and extrusion in configuration that a planetary screw is inter-engaged at a center of a main SCREW and BARREL which are screwed in a shape of helical gear at 45°. The planetary screw revolves and rotates on its axis, in order to employ various resin  In special, because the extruder supplies the rolling and extrusion through space of the inter-engagement, it may plasticize the resin at a low temperature.  The "PRE" is a low-temperature forming extruder which may produce without any change of properties owing to its low-temperature forming and homogenizing.   Why Choose  from Lanhang  1. Since1992, with more than 20 years' professional experience   2. Overseas service center available (in Europe, Japan, Dubai, etc.)   3. International CE, SGS, IAF, CNAS certification   4. National high-tech enterprise / products   5. Various National Patent for Inventions Letters for rubber & plastic machinery   6. ISO9001:2008 management Item\Model PRE125 PRE 150 PRE 170 PRE 190 PRE220 PRE 255 Main motor power(kw) 55 75 90 132 200 250 Speed of the main screw(rpm) 60 Stuffy power(kw) 0.75 0.75 1.5 11 11 11  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.   Model No.  Item  Screw Diameter       (mm)  Motor Power      (kw) PRE-150/200 PRE-150 planetary screw extruder       150    75 SJ-200 single screw extruder       200    75 PRE-180/220 PRE-180 planetary screw extruder     180    132 SJ-220 single screw extruder     220    90 PRE-220/250 PRE-220 planetary screw extruder     220    185 SJ-250 single screw extruder     250    110 PRE-255/300 PRE-255 planetary screw extruder     255    240 SJ-300 single screw extruder     300    132 Introduction & Application of Our PRE Series Planetary Roller Extruder The "PRE" series of planetary roller extruder, experiences rolling and extrusion in configuration that a planetary screw is inter-engaged at a center of a main SCREW and BARREL which are screwed in a shape of helical gear at 45°. The planetary screw revolves and rotates on its axis, in order to employ various resin  In special, because the extruder supplies the rolling and extrusion through space of the inter-engagement, it may plasticize the resin at a low temperature.  The "PRE" is a low-temperature forming extruder which may produce without any change of properties owing to its low-temperature forming and homogenizing.   Why Choose  from Lanhang  1. Since1992, with more than 20 years' professional experience   2. Overseas service center available (in Europe, Japan, Dubai, etc.)   3. International CE, SGS, IAF, CNAS certification   4. National high-tech enterprise / products   5. Various National Patent for Inventions Letters for rubber & plastic machinery   6. ISO9001:2008 management Item\Model PRE125 PRE 150 PRE 170 PRE 190 PRE220 PRE 255 Main motor power(kw) 55 75 90
The extruder has the advantages of multi-application, can be used for sheeting, filming instead by using banbury mixer/open mill mixer, and used for high capacity pelletizing, its capacity could reach to 2000kg/h.
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.
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, results in no more than 5kg of scrap.
Product 1:
Product 2:
The extruder has the advantages of multi-application, can be used for sheeting, filming instead by using banbury mixer/open mill mixer, and used for high capacity pelletizing, its capacity could reach to 2000kg/h.
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.
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, results in no more than 5kg of scrap.
Product 1:
Pre180/220 Two Stage PVC Pelletizing Extruders (Planetary Extruder with Single Screw Extruder)
Model NO.: PRE180/220
Engagement System: Full Intermeshing
Exhaust: Exhaust
Automation: Automatic
Computerized: Computerized
Application: Sheeting; Pelletizing; Filming
Advantage: Strong Capacity
After-Sales Service Provided: Engineers Available to Service Machinery Overseas
Trademark: LANHANG
Specification: ISO9001: 2000
Origin: China
HS Code: 8477
Model NO.: PRE180/220
Engagement System: Full Intermeshing
Exhaust: Exhaust
Automation: Automatic
Computerized: Computerized
Application: Sheeting; Pelletizing; Filming
Advantage: Strong Capacity
After-Sales Service Provided: Engineers Available to Service Machinery Overseas
Trademark: LANHANG
Specification: ISO9001: 2000
Origin: China
HS Code: 8477
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