Tywei Screw series bimetallic screw barrel, bimetal screw barrel, screw barrel, twin screw barrel, double screw barrel, extrusion screw barrel, extruder screw barrel, plastic machinery screw barrel,bimetal screw barrel, bimetallic screw cylinder

Specifications:

Product name: Screws and barrels for Plastic extruder machinery, Injection Molding Machinery

Screw Diameter: Φ10mm-Φ255mm

Dimension:  D35/75- 92/188mm

Material: 38CrMoAlA   SKD61  SKD11  40Cr  42CrMo  high quality alloy steel

Technology: nitriding treatment, alloy coating spraying, heat-treatment

Appliance: PVC, PP, PE, PA, PC, ABS, AS etc

Technical Index (30g-25000g):  

Depth of Nitrated Layer: 0.5-0.8mm

Hardness of nitration: 950-1020Hv

Fragility of nitration: Less than grade 1

Surface Hardness of Nitrated Cr coating layer: ≥950Hv

Hardness of Bimetallic Layer: HRC55°-72°

Thickness of Cr-coating Layer: 0.03-0.08mm

Depth of Bimetallic Layer: >2mm

We can manufacture all types  extruder screw barrel and injection screw barrel for Haitian, Demag, Engle, Nigro bossi, arburg, NPM, BOY, Husky, Fanuc, billion, Sumitomo Nippon Steel, Toshiba, Nissei, Mitsubishi and etc. We also can supply all types of screw and barrel according to your different requirements.

Product classification:

According to different raw materials and products the screw can be chosen: general type, pin type, barrier type, separation type, and gas-exhausting/vented type, etc.

Application: Granules, film, bag, barrel, pipe, profile, plates,sheet, etc.

Production Flow:

Customer Order → Product Design/Customer Drawing → Production Flow Arrangement → Material Procurement → Detecting → Blanking → Detecting → Rough Machining → Detecting → Quenching and Tempering → Detecting → Semi Finishing Machining → Detecting → Nitriding Treatment /Bimetallic Alloy Spraying Treatment → Detecting → Finish Machining → Detecting → Packing and Shipping → After-sale Service