High Productivity Multi-Screw Planetary Roller Extruder

Product Description

Company Information
Founded in 1992, Zhangjiagang Lanhang Machinery Co., Ltd. is a private enterprise integrating scientific research, production, marketing and service of plastic machinery into one complete whole.
Our "Lanhang" brand of planetary roll extruders, straining extruders, powerful horsepower dense mixers, mixing rolls, and high-speed mixers are the backbone of our company.
we sincerely welcome customers to cooperate with us to develop rewarding business partnerships.

Product Name: "PRE" Series Planetary Roller Extruder
Key word : one stage Planetary Roller Extruder

1.Product Description
1) The "PRE", a series of planetary roller extruders, 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
2) The planetary screw revolves and rotates on its axis, in order to employ various resin
3) The extruder is special and applied to various product and mass production
4) 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
5) 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
6) The "PRE" is a low-temperature forming extruder which may produce without any change of properties owing to its low-temperature
forming and homogenizing
7) 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
8) Compared with other extruder designs, this system increases the contact surface of the melt by up to five times
9) 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
10) 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.
2.Main technical parameter

Model					PRE150	PRE180	PRE220	PRE255
driving power(kw)					90	132	200	250
rotating speed(rpm)					60	3-75	3-75	3-75
feeding power(kw)					0.75AC	1.5AC	11DC	11DC
feeding screw speed(rpm)					2-87	2-75	2-75	2-75
				rigid transparent	550	1000	1500	2000
PVC sheet out(kg/h)				rigid semi rigid	600 650	1100 1200	1600 1700	2100 2200
				soft transparent	650	1200	1700	2200
				soft	900	1500	1800	2300

3. Application
Composing by the main screw to drive the planetary rollers, the optimum heat-exchaging 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 stabilisers and lubricants are reduced to a minimum.

4. Features:
1. long service life
2. simple operation
3. good results
4. east maintence
5. convenient of worn-out parts

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