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CE Approved Single Screw Barrel For Plastic Machinery

CE Approved Single Screw Barrel For Plastic Machinery

screw barrel for plasic recycling machines


  • Product Details
With the aid of advanced equipment and technology, Pinbo Plastic Machinery is one of the leading China ce approved single screw barrel for plastic machinery suppliers. Please rest assured to buy or wholesale discount and low price products from us.


screw barrels on sale

a. Advanced Nitriding Technology .

b. Anti-corrosion and Wear-resisting Duplex Metal Spraying Technoloy .

c. we uses special alloy powders being sprayed and welded on the screw's ridge,and uses different alloy and welding methods for the screw of different functions .

Technological Process.jpg
Blanking→Rough Machining→Quenching & Tempering →Semi Finishing Machining→Finished Product→Detecting→Nitring/Alloy Processed →Finish Machining

 main parameters .jpg


screw diameter


Maximum screw length


Barrel inner bore diameter




A. 38crmoala in high quality

B. alloy steel in high quality


A. nitriding treatment

B. alloy coating spraying

C.  heating treatment

D.  screw fully hardening 

E.  vacuum quenching

F: electroplate hard chrome

Technical parameter

 A: depth of nitrition layer: 0.6-0.8mm

 B: nitriding treatment for 7 day and night, surface hardness HV>900

 C: fragility of nitriding: less than grade 1

 D: surface roughness: ra0.4um

 E: streightness of screw: 0.015mm

 F: depth of bimetallic layer>2mm

 G: hardness of alloy platig: HRC 62-72

 H: surface of hardness of chrome coating layer: HRC 62-72

 I: thickness of chrome coating layer: 0.03-0.06mm


application .jpg


packaging and shipping .jpg


company information .jpg

Zhejiang pinbo plastic machinery co.,ltd is a factory specialized in making screw barrel,

gearbox, t die, filter and recycling machine.The former name is ruian yumin machine

screw co.,ltd since1988 with brand name PYM. Our company covers land more than 10000 square meters, with two workshop. We owns advanced CNC machines and technique, and nitriding ovens in depth 8000mm. We study, design and manufacture every product according to the exact need of every client. That is why our goods are hot sell among many coutries and zones.



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