Features:Screw and Cylinder adopt blocking structure, can update and maintain comfortably!
Screw&Cylinder 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!
Screw Diameter : 55/2,65/2,70/2,80/2,88/2,90/2,100/2,110/2,130/2...
Normal Material we use as following:
1.38CrMoAlA(JIS SACM645),
2.Cr12MOV(JIS SKD-11)
3.4Cr5MoSiV1(JIS SKD-61)
4.42CrMo(AISI 4140)
The foreign material we used as following:
1. Germanysteel, GH113 ,2250 ,2842 ,1.8509 ,1.442 ,1.6582 ,1.6523 ,1.2080,1.4542,
2. USA steel, P20,420,L6,H13,W110,D3,A2,D6,O1,S1,M35,8620,3115,K52440
3. Sweden steel, 718S,718H,S136,S136H,STAVAX,ASP-23,ASP-30
4. Australia Steel, M202,M300,W302,K460,W300,K900,K100,W321
5. Hardnesssteel, YG6X,YG 6A,YG 6,YG8N,YG8,YG8C,YG11C,YG 15,YT5,YT14,YT30
6. Japan Steel, SKT 4,YXM 4,YXM 42,SNC 815,SK -3,SKS 3,and etc.
SCREW&BARREL GRADE
Nitrided
Bimetallic
Grade A - containing Tungsten of 40%
Grade B - containing tungsten of 25%
Grade C - containing tungsten of 9.5%
Nitride Case Depth | 0.5mm-0.8mm |
Nitride Hardness | 950-1150HV |
Nitride Brittleness | ≤Grade One |
Surface Roughness | Ra0.4um |
Screw Straightness | 0.015mm |
Alloy Hardness | HRC58-75 |
Alloy Depth | 0.8mm-3.5mm |
Bimetallic Thickness | 2-4mm |
1. Parallel twin screw and barrel has the advantage of lower rotation speed, smaller shear stress between the small screw
2. Good plasticization, high productivity, small shear force, stable pressure , less wear and tear and low cost.
3. Parallel twin-screw and barrel is widely used in PVC products processing, especially for the production of PVC products with the output over 350Kg / h, because the parallel twin-screw and barrel costs less than conical twin-screw and barrel while it has more mature technology.
4. Parallel twin-screw and barrel is successfully applied in PVC plate, pipe, profile, pellet and mould, at the same time, it solved the technical problem of low foaming, high foaming, high filling, wear and corrosion.
Keywords:KRUSSMAFFEI twin screw barrel, screw barrel,twin screw and barrel
