High output single extruder screw and barrel /sleeve for rubber machine

Specifications

Specification: OD30MM-OD250MM

Ratio of length to diameter: L/D=15-45

We have kinds of screw type: common type,gradual type,sudden type,barrier type,pinned type,exhaustive type,BM type,separate type etc.

Based material:  1)38CrMoAlA

                              2)Cr12MOV

                              3)4Cr5MoSiV1

                              4)42CrMo

Surface Treatment  : Heat Treatment

                                    High Frequency Treatment

                                    Nitriding treatment(120 Hours)

                                    Hard Chrome Plating treatment

                                    Nickel alloy plating.treatment

Technical Parameter:  Depth of Nitrided Layer: 0.5-0.8 mm

                                       Hardness of Nitrided Layer: 900-1020Hv 

                                      Thickness of Hard Chrome Plating Layer: 0.05-0.10mm

                                       Hardness of Hard Chrome Plating Layer: ≥950HV

                                       Bimetallic Barrel/Cylinder: Centrifugal Casting

                                       Bimetallic Screw: Plasma Alloy Coating Spraying

                                       Depth of Bimetallic Layer: 2-3mm

                                       Hardness of Bimetallic Layer: HRC58-62

                                       Hardness after Hardening & Tempering: HB260-290

                                       Roughness of the surface:Ra0.4um

                                       Linearity of the screw: 0.015mm

                                       Linear axis limit: ≤0.02mm

                                       Fragility of Nitration: Less than grade 1

 All the goods will be packed by carefully that ensured the good quality to our customer.

 Our other types for screw and barrel:

1) Bimetallic Screw and Barrel        

2) Injection Screw and Barrel          

3) Extruder Screw and Barrel            

4) Conical Twin Screw and Barrel    

5) Parallel Twin Screw and Barrel  

6) Rubber Screw and Barrel              

7) Planetary Screw and Barrel            

8) Componetns