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Lanhang Machinery Co., Ltd
 
 
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Planetary Roller Extruder 

  产品分类 : 機械與設備->塑膠機械->塑膠押出機->塑膠押出設備

     
Planetary Roller Extruder
 
         

  产品规格
 
Model No:    PRE
  Country  China
  Brand  Lanhang
  Color  Green
  Packing  Wooden Case
  Minimum Order  1 unit
  Payment Term  CIF

 

  产品描述
   
  Our "PRE" planetary screw roller extruder series has an outstanding capability in mass production of many products because it uses a variety of plastic resins. It fixes the screw developed by planetary screw into the center of the main screw and barrel whose screw barrel, a plastication device, is made of screws in the helical gear shape and is angled at 45 degrees and revolves and rotates to produce rollers and other extrusion products. It enables the best homogenization and distribution effect because rolling and extrusion are performed at a rather low temperature in the space between the put-together screws. Therefore it achieves no change in properties in matters, which is the characteristic of a low-temperature molding extruder.

Combined rolling and extruding action:
Through the intermeshing 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.
The planetary spindles, which "float" in the melt, are retained by a stop ring at the outlet of the extruder barrel. By changing the inner diameter of the thrust-ring it is possible to influence the residence time of the melt and hence the degree of dispersion and gelling.

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 intermesh, no residual material is left in the machine when changing over from one formulation to another. In other words; The system is change-over from one color to another, results in no more than 5kg of scrap.

   


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