Bimetallic Conical twin screw barrel

Product: Conical twin screw barrel

Material:38CrMoAIA/SACM645/AISI4140/SKD61/etc

Nitriding depth:03.5-0.8mm

Alloy depth:2.0-3.0mm

Quenching hardness: HRC55-62

Surface roughness:Ra0.4

Screw straightness:0.015mm

Origin: China

 

Description

Product:

Specification:

For good plasticizing effect, we have different designs of screw and barrel for extruder or injection to meet customer’s demand.Our factory manufactures with high-quality material, applying the method of hardening and tempering and nitriding, thus it enjoys the characteristics of long working life, wear resistance, and anti corrosion. Besides, the technique of hard alloy spraying or chrome plating can be used on the working surface of screw, which will make it have better using effectiveness. We can produce for Haitian, Chenhsong, Demag, Engle, Nigrobossi, KMD, NPM, BOY, HUSKY, Nippon Steel, Toshiba, Nissei, Mitsubishi, CINCINNATI, BATTENFELD, KRUSSMAFFEI, BAUSANO, WEBER, AMUT and so on.

Conical twin screw barrel size
Φ22/45 Φ35/75 Φ40/80 Φ45/90

Φ45/97

Φ50/105 Φ51/105 Φ55/110
Φ60/125 Φ65/120 Φ65/132 Φ70/143
Φ70/150 Φ80/143 Φ80/156 Φ90/188
Φ92/188 Φ95/190 Φ105/191 Φ100/200
1. The above is standard sizes, if your screw barrel size didn’t mentioned above, please contact me & we will give you best solution for it!

2. We provide Cincinnati, Battenfeld, Krauss Maffei, Amut, BAUSANO, Weber designing.

 

Conical twin screw barrel application
1) PVC pipe extrusion line;                        2) PVC sheet extrusion line;

3) PVC & WPC profile extrusion line;       4) PVC granulation line;

5) PVC foaming production line;

The raw material can be new and recycle, the material can compound calcium powder 5% – 300%.

Technical Parameter
Base Material
1)38CrMoAlA(JIS SACM645);2)Cr12MOV(JIS SKD-11) ;
3)4Cr5MoSiV1(JIS SKD-61) ;4)42CrMo(AISI 4140) 
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
Double-alloy level Level A – containing Tungsten of 40%
Level B – containing tungsten of 25%
Level C – containing tungsten of 15%
Surface Treatment Heat Treatment
High Frequency Treatment
Nitriding treatment(120 Hours):
Depth of Nitrided Layer: 0.5-0.8 mm
Hardness of Nitrided Layer: 900-1020Hv (HRC56°-65°)
Hard Chrome Plating treatment:
Thickness of Hard Chrome Plating Layer: 0.05-0.10mm
Hardness of Hard Chrome Plating Layer: ≥950HV
Nickel alloy plating.treatment:
Bimetallic Barrel/Cylinder: Centrifugal Casting (Inlay Alloy)
Bimetallic Screw: Plasma Alloy Coating Spraying
Depth of Bimetallic Layer: >2mm
Hardness of Bimetallic Layer: HRC55°-72°
Spraying corrosion wear-resisting dual metal layers
Basic information Roughness of the surface:Ra0.4um
Linearity of the screw: ≤0.015mm
Linear axis limit: ≤0.02mm
Hardness after Hardening & Tempering: HB240-280
Fragility of Nitration:≤Two class
Material Application 1)General Plastics
2)ABS,PA,PC,PE,PET,PP,PS,EVA,PU,PVC,U-PVC,etc
3)PA + GF(Glass Fiber)
4)Flame-resistant Reinforced Plastics
5)Modified Engineering Plastics
6)All kinds of Mixed Recycled Material(in Scrap or Granule), PVC + 30% CaCo3, etc

 

 

Workshop&Process

Quality Inspection

Packing&Shipment