Vacuum hardening screw and barrel for extrusion processing line factory

Product series

I      Fe-based alloy       II    Ni-based alloy    III    Cu-based alloy  

IV   Co-based alloy       V    Ti-based alloy    VI    Tin-based alloy  

VII  Tungsten carbide/Wolfram carbide  

I    Alloy Depth:0.8~2.0mm

II   Alloy Hardness:HRC56°~65°

III  Hardness after hardening and tempering; HB260°~320°

IV  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°

 II   ABS,PA,PC,PE,PET,PP,PS,EVA,PU,PVC,U-PVC,etc

 III  PA + GF(Glass Fiber)

 IV  Flame-resistant Reinforced Plastics

 V   Modified Engineering Plastics

 VI  All kinds of Mixed Recycled Material(in Scrap or Granule),etc

1.Accept OEM and ODM.

2.EXW price,the best and cheapest price.

3.Professional in gearboxes for extruders,blowing film machines,granulating machines,pelletizer which make film,pipe,wood,rubber,PVC,PE,HDPE plastic  .

4. strict QC, High quality control.

5.Small MOQ can be accepted.

6.Delievery on time

7.Payment:Paypal,T/T,Western union,etc

   Shippment:UPS,TNT,DHL,Chian post,EMS,FedEx ,etc.

8. Professional salesman will provide you best sales service

   Our goal is to establish a long time relationship with you and your company.

Choose our factory, you will be the winner of your market!