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Screw Segment for Pet Extruder Machine
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Screw Segment for Pet Extruder Machine

Application:Extruder
Min Order:1 piece
Place of Origin:Jiangsu,China
Customization:Customized logo
Package:wooden case
Availability:
Quantity:
  • zhitian

Screw Segment for Pet Extruder Machine


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PROCESSING RANGE ¢15.6-¢350MM

Co-rotating twin screw elements for

- APV -KOBE -OMC
- Buhler -KraussMaffei -Theysohn
- Buss -Berstorff- -Toshiba
- Clextral -Labtech -USEON
- Coperon -Lantai - others
- JSW -Leistritz
- Keya -Maris

Types of the Screw Segments

* Convey Screw Segment
* Mixing Screw Segment
* Kneading Block & Disk
* Transition Screw Element
* Deep groove transfer element
* Screw element for side feeder
* 1-flighted,2-flighted,3-flighted screw elements


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Screw Configuration in the Solid Conveying Section of Parallel Twin-Screw Extruder Segments

The solid conveying section serves a dual purpose: transporting added solid material along the screw towards the die while simultaneously compressing loose, low-density powdery materials or increasing the fill rate of granular materials within the screw grooves. This process facilitates downstream material melting and plasticization.

In this section, the screw configuration consists of a series of threaded elements. The first element connected to the feeding section employs a forward thread with a substantial lead. Subsequently, a forward threaded element with a reduced screw groove volume is utilized. This configuration primarily comprises a segmental thread segment with progressively smaller thread elements, as illustrated in Figure 1. Figure 1 visually demonstrates the gradual increase in screw groove fullness along the conveying direction, resulting in material compression and densification.

When dealing with low-density powdery materials, combining screw elements with different leads to achieve material densification is generally unproblematic. However, in cases of relatively low bulk density, the rapid and excessive alteration of lead between adjacent threaded elements can occasionally lead to machine overload. Therefore, careful consideration of the degree of lead change between adjacent threaded elements is advisable during configuration determination.

ZT-Screw segment


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