Twin Conical Screw Barrels With Bimetallic Alloy Used On Cincinnati Krauss Maffei Extruder Machinery For Pipe Extrusion
Twin Conical Screw Barrels with Bimetallic Alloy used On Cincinnati Krauss Maffei Extruder Machinery For
Pipe Extrusion
1 . Description:
We have the suitable steel ,heat treatment and special designing for the screw and barrel to use general purpose and engineer purpose, no matter with glass fiber additive or flame retardant additive.
For good plasticizing effect, we have different design of screw barrel to meet customers demand.
Gradual type, Mutant type, Wave type, Barrier type, Double screen type, Shunt type, Separation type, Exhaust type, Pin type, Mixed type, Double-head type, Multi-head type etc.
2 . Steel Material:
38CrMoAlA Nitrided steel with PTA alloy welding or powder material for special additive of glass fiber and flame retardant with high corrosion or high abrasion plastic material.
1. (38CrMoAlA 38XMIOA 6470E 905M39 SACM645 40CAD6.12 41CrAlMo07)
2. (Cr12MoV X12M D2 BD2 SKD11 Z200C12 X165CrMoV46)
3. (4Cr5MoSiV1 H13 SKD61)
4.( 42CrMo AISI 4140 SCM440 42CrMo4 )
3 . Base Materials:
1). 38CrMoAlA(JIS SACM645) Nitriding.
2). 42CrMo(AISI 4140).
3). 4Cr5MoSi V1 (JIS SKD-61).
4). 9Cr18MOV
5). HPT
4 . Bimetallic alloy materials:
1). Fe-based alloy
2). Ni-based alloy/Deloro alloy
3). Co-based alloy
4). NiCo-based alloy
5). Tungsten carbide/Wolfram carbide
5 . Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting
6 . Technical parameter:
Nitrided layer depth: 0.5-0.8mm
Nitrided hardness: 900-1000HV
Nitrided brittleness: Less than grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.015mm
Hard-chrome plating hardness after nitriding: >=950HV
Chrome-plating layer depth: 0.025-0.085mm
Bimetallic layer depth: 3mm
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Conical Twin Screw Barrel Bimetallic Alloy For Pipe Extrusion Images
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