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1.Screw and barrel for plastic machine, 2.Over 30 years experience in screw barrel, 3.Direct manufacture of screw and barrel - details see: https://www.machineto.com/38crmoala-parallel-screw-and-barrel-for-plastic-extruder-10334955

38CrMoAlA Parallel Twin Screw and Barrel for Plastic Extruder

• Detailed Specifications

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 9.5%
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

• Screw & Barrel Display

• Machine Applications

• Products Application

• About our factory

Zhoushan Jinxing Plastic Machinery Manufactory, through more than30years development, has already become one of the domestic and international manufacture specializing inmanufacturing screws and cylinders/barrelfor plastic machine.“Jingxing ”brand screws and cylinder, have already become one of themost famousbrand in China.“Jingxing screw, Jinjing trademark”.

Our factory, with the largest process condition, superior equipment, advanced and powerful technology as well as the strict examination. Ourscrews and barrels, cooperate with more than100largestinjection molding machine, bimetallic screw and barrel, conical twin-screw, parallel twin-screw, extrude machine, lamination machine, extrusion film blowing machine, shoemaking machine, EVA, TPU, TR, crystal, monochrome machine, two-color blower, hardened reducermanufacturer in domestic , and also export toEurope, America, Middle East, and other countries and regions.

ZhouShan JinXing Plastic Machinery Manufactory,continuously pursues self-respect, self-confidence, self-powerfulness, perfection and development as the enterprise spirit keeping improvement and struggle and innovation, and establishes good quality and credit at home and overseas by“Jinjing”mark.

• Pictures of workshop

Advantages for JinXing Plastic Machinery Manufactory

1.Over30years Experience On Manufacturing Screw Barrel

2.Over 20years design experience perfessional engineers service for you

3.Over20years good cooperation relationship with most of our customers

4.24-Hours OnlineService by email or online-chat tools(Before&After sale service)

5.Prodution base on your drawing or specially designscrew&barrelfor you

6.Located inChina's Screw Town (Jintang Town)in Zhoushan City, near to Ningbo Port and Shanghai Port.

Tell us your request, we will do the rest !