Single screw barrel for PVC,U-PVC

Technological Process for plastic cylinder with screw Blanking→Rough Machining→Quenching & Tempering →Semi Finishing Machining→Finished Product→Detecting→Nitring/Alloy Processed →Finish Machining   Technologic Guidance:

Screw Alignment	0.015mm
Nitride Brittleness	≤Grade 1
Depth of Nitride Layer	0.5~0.8mm
Hardness of Nitride	HV1000~1100
Quenching and Tempering Hardness	HB240-280
Surface Roughness	0.045mm

  Product Material:
1. 38CrMoALA(JIS SACM645) 2. 42CrMo (JIS SCM440) 3. 9Cr18MoV
4. CW6Mo5Cr4V2 5. Various high quality alloy steels, According to different usage, the choice for alloy is different, types of steel depending on customer requirement.   Product Appliance: Rigid PVC ,various high glass fiber, mineral fiber and PPA, PPS, PA6T, LCP,VO fire protection, ferrous power, magnetic powder and etc. Meanwhile, Used for PVC + 30% CaCo3, recycled plastic material     About O.S.D : Our Strength: We have an experience of more than 20 year of manufacturing and designing Plastic machines, varied Screws and Barrels and spares.  We concentrate on improving quality, updating design and enhancing service. Our products: Screws Barrels for Injection, Extrusion, and Blow Molding applications; relevant accessories; plastic machinery. Location advantage: located in China's Screw Town - Jintang Town in Zhoushan City, near to Ningbo Port and Shanghai Port. Market areas: global sales network reaching South America, Eastern Europe, Southeast Asia, Africa, Oceania and the Middle East. We promise: We assure the customer benefits, We provide competitive price, We Emphasis On Cooperation.
Want to know more information about our products?      Mona will be very happy to answer your questions in 24 hours.  Skype:sales3@oushengda. com