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Precision-Engineered Screw Element And Barrel Assembly For Model 95 Extruders
1 . Description
An extruder screw element, also known as a screw segment, is a key component of an extrusion machine. It is responsible for melting and conveying the raw material (such as plastic pellets) down the barrel of the extruder where it is melted, mixed, and transformed into the desired shape or form. The screw elements are typically designed with varying pitch, depth, width, and channel geometry to optimize the melting, mixing, and conveying functions. Different types of screw elements are used depending on the specific requirements of the extrusion process and the properties of the material being processed.
2 . Regular model screw barrel for below famous extruder
| MIKROSAN | MCV 55 | MCV 67 | MCV 110 |
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| BATTENFELD | BEX 65 | BEX 68 | BEX 90 | BEX 92 | BEX 107 | BEX 110 |
| KRAUSS MAFFEI | KMD 60 | KMD 75 | KMD 90 | KMD 110 | KMD 114 | KMD 130 |
| CINCINNATI | ARGOS 72 | ARGOS 90 | ARGOS 93 | ARGOS 114 | ARGOS133 | ARGOS 135 |
| THEYSOHN | TTS 78R-26 | TTS 88R-24 | TTS 88R-26 | TTS 108R-24 | TTS 108R-26 | TTM 138-28 |
| WEBER | DS 7.22 | DS 8.32 | DS 11.22 | DS 12.32 | DS 13.22 | DS 850 / 2b |
3 . Technical Parameter
| Base Material | 1)38CrMoAlA(JIS SACM645);2)Cr12MOV(JISSKD-11) ; |
| Bimetallic Alloy Materials | 1)Fe-based alloy2)Ni-based alloy/Deloroalloy |
| Double-alloylevel | Level A - containing Tungsten of40% |
| Surface Treatment | Heat Treatment |
4 . Materials
For wear application
Tool Steel W6Mo5Cr4V2
PM HIP material WR5 WR13 WR14 CPM10V CPM9V
For corrision application
Nitrided Steel 38CrMoAI
PM HIP material WR13 WR14 CPM10V CPM9V
For wear and corrision application
PM HIP material WR13 WR14 CPM10V CPM9V
Other materials
Stainless Steel 316L C276 etc
5 . Comparsion of the output (LDPE)
Pressure is generated if resin passes over the barrier, forcing any air in the melted resin back to the feed side and effectively preventing the intrusion of air bubbles on the sub flight side. This is highly effective with resins that generate bubbles such as PS, PA, PET and EVOH.
6 . Parallel twin screw and barrel application
1)PP
2)PE
3)PVC
4)WPC
5)SHEET/PIPE/PROFILE/ FOAM BOARD
6)CRANULAR TWIN SCREWS EXTRUDERS
Bimetallic Treatment of Screw
The bimetallic screw for extruder twin screw is a kind of screw spray welding a 2~3mm-thick alloy coat on the screw flight of output area for the screw . The Bimetallic treatment has excellent corrosion resistance, abrasion resistance and high working temperature. And its useful service life is greatly improved contrast to the common nitrided screw.
7 . As per customer's demand,we can also supply below:
PVC/PE Film Blowing Screw;
Blow Molding Screw;
PS/PE/PP/ABS Sheet Extrusion Screw;
PE Aluminum Plate;
PPR Pipe Screw;
EVA Extrusion Screw;
HDPE High efficiency Screw;
PET Straps Screw;
XPS/EPE Foamed Screw;
Granulation Screw,Vented single screw etc.