bimetallic parallel barrel for PE,PP,PVC,HDPE Component parts

Base Material	1)38CrMoAlA(JIS SACM645) 2)Cr12MOV(JIS SKD-11)  3)4Cr5MoSiV1(JIS SKD-61)  4)42CrMo(AISI 4140)
Bimetallic Alloy	Ni-based alloy/Deloro alloy
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°
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),etc
General Terms	Means of transport: Ocean,Air,Express Production time: About 25 days after we receive the deposit and lead time will different according to the order quantity!
Our products advantages	1)High productivity        2)Wonderful plasticizing 3) low energy consumption  4)Wearable and Durable 5)Fast and On time delivery  6)Best customer service!

• PRODUCTION STEPS    Custome Order--Product Design(Customer Drawing)—Production Flow Arrangement—       Material Procurement—Hardening&Tempering—Drilling—RoughTurning—RoughThread       Rolling (AlloySprayWelding)—Alignment—FineThread Rolling—Mixing—Alignment—High       FrequencyTreatment—Alignment—Polishing—Grinding—120 Hours NitridingTreatment—       Acid Piclking—Polishing—Chrome Plating—O.D.Grinding—Packaging&Shipping        Zhoushan City JinJiu  Machinery Manufacture Co. Ltd., through more than 20 years development, has already become one of the domestic and international manufacture specializing inmanufacturing screws and cylinders/barrel for plastic machine.Including single screw barrel for extruder and injection machine,parallel twin screw and barrel,conical twin screw and barrel,bimetallic twin screw and barrel,hastelloy screw and barrel ,rubber screw and barrel,and accessories of  the screw and barrel.       The company can make the screw cylinder made of GH113 Nickel-based alloy which can also be sprayed various alloys,F46 elevated temperature wire and cable sets,and customized Φ30-150 extruding equipments.Meanwhile,we provide the services of mapping,design ,and   maintenance, and change extruders equipements.       The company will provide high quality and low price products for all users with the principle of first quality and uppermost integrity. Welcome to our company and welcome to contact.