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Related to Screw extruder: coextrusion
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With the integration of the gear pump, the single screw extruder is freed from building up pressure.
Conical screw extruders for film recycline and crammer feeders.
The aim of the PEPTFlow project is to investigate the flow behaviour and mixing mechanisms in a twin screw extruder and to develop flow simulation and modelling software, and improve the design of twin screw extruders.
In the configuration schematically depicted in figure 1, the excellent feeding properties of the single screw extruder are used to effectively fill the gear pump, while the pump is used to generate the high straining pressures without causing excessive temperatures.
After this first preparatory step, the butyl rubber is conveyed together with various additional formulation components by a pneumatic conveying system and a gravimetric metering unit into the ZE 90 UTX twin screw extruder with a screw design that is specifically adapted to the process requirements.
Continuous mixing of EPDM rubber by a co-rotating twin screw extruder is highlighted in this four-page brochure.
A dual-purpose twin screw extruder system has been introduced for use in wide ranging color and related dispersive mixing applications.
The TM20LAB co-rotating twin screw extruder is suitable to perform the same processes which can be realized on the industrial extruder, according to the company's six-page, four-color brochure.
Here, the single screw extruder is said to offer benefits of high pumping capacity with comparably low losses through melt heating.
The TSCS package may also be retrofitted onto the company's existing twin screw extruders, including the ZSE-27 twin screw extruder.