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Double screw barrel manufacturers

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Conical  twin  screw barrel
     Standard spcifications of conical twin screw barrel(d/D)
The above are standard spcifications,for  good plasticizing effect, we have different design of screw barrel to meet  customer’s requirments.
Technical Parameter
Technical parameter of conical twin screw and barrel
Main base
materials1.38CrMoAlA  (Nitrided Steel)
2.SKD-61 (Special Tool Steel)
3.42CrMo (Ultrahigh Strength Steel)
4.DC53 (Cold Work Die Steel)  
materials1.Ni-based alloy
2.Tungsten carbide
3.NiCo-based alloy
4.Fe-based alloy
5.Co-based alloy
technics1.Heat treatment
3.Nitriding treatment
4.Bimetallic alloy welding
5.Bimetallic alloy centrifugal casting
6.Hard-chrome electroplatingTechnical  
parameter1.Nitrided layer depth: 0.5-0.8mm
2.Nitrided hardness: HRC56-58
3.Nitrided brittleness: ≤Grade 1
4.Surface roughness: Ra0.4
5.Linearity of screw:0.015mm
6.Hard-chrome plating      hardness:≥HRC57
7.Chrome-plating layer depth: 0.03-   0.09mm
8.Bimetallic layer depth: 3mm
9.Bimetallic layer hardness: HRC58-62
Above are main technical information,a suitable screw and barrel will be made according to    your requirement
Conical twin screw features:
Conical twin screw cores water internal  circulation series and screw cores oil cold out and cycle.
Scope of application:
Ordinary plastic,WPC,PVC,WPC,PE, Super high molecular  sheet,1/2 high Calcium buckle,50-400 high Calcium pipe,50-300 high Calcium  Profile, soft PVC sheet,XPS-PVC etc. PP, PE, ABS, granulation of raw  materials,production pipe,pelletzing and other extrusion machinery.
3 )Screw barrel also can be made:
CINCINNATI, BATTENFELD,KRUSSMAFFEI,BAUSANO  and AMUT model spares. According to different material and plastic  product to choose different compress rate and L/D rate.
Find excellent quality conical twin screw barrel made in China from one of the largest manufacturers and suppliers - Jinsheng Bimetallic. Leveraging on advanced equipment and superior techniques, we can offer you conical twin screw barrel with high resistance, high quality and competitive price. With many products in stock, we warmly welcome you to buy or wholesale our products.Double screw barrel manufacturers

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