Twin Barrel And Screw For Twin Screw Barrel Extruder Machine For Pvc&caco3 

Specification (d/D)	Work Length (mm)	Extruding Ability KG/H)	Screw Speed (rmp)
Φ25/Φ53	540	25-40	5-50
Φ35/Ø77	810	40-70	5-50
Φ45/Φ90	990	50-80	5-45
Φ50/105	1070	100-150	4-45
Φ51/105	1220	100-150	4-40
Φ55/Φ110	1220	120-180	4-40
Φ60/Φ125	1320	150-200	4-40
Φ65/Φ120	1440	200-250	4-40
Φ65/Φ132	1440	200-250	4-40
Φ70/Φ140	1460	250-320	4-35
Φ75/Φ150	1480	300-360	4-35
Φ80/Φ143	1800	300-360	4-35
Φ80/Φ156	1660	300-360	4-35
Φ90/Φ184	2000	400-500	3-35

Technical Date ( Description)

Material	38 38CrMoALA,SKD61,D2 etc.
Hardness After Hardening&Tempering	HB260-290
Depth of Nitrided	0.5-0.8mm
Hardness of The Surface	Hv950-1100
Surface Roughness	Ra0.4um
Linearity of Screw	0.015mm/m

Technical Date ( In detail)

Technical Parameter
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 15%
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° Spraying corrosion wear-resisting dual metal layers
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), PVC + 30% CaCo3, etc

•100%Quanlity Inspection

As the screw and barrel are the important parts for plastic extruders and injection molding machine,they affect the machine performance and quality directly,therefore,QunYing established quality control system strictly as ISO 9001:2008 International Quality System, our every production process is under strict inspection , Those provides solid foundation for our quality products!What we need to do is to make sure best quality of each screw and barrel.Till now,our screw and barrel has been sold to more than 40 countries in the world and enjoy a good reputation by our customers!

QunYing Screw is leading supplier of SCREW and BARREL in china,including designing,manufacturing and sales for these products,we can make any specification of Extruder Screw Barrel and Injection Molding Screw barrel for Haitian,Demag,Engle,Nigrobossi,KMD,NPM,BOY,HUSKY, Nippon Steel, Toshiba, Nissei, Mitsubishi and etc. We also can supply all types of screw and barrel according to your different requirements.

First:Cretive in designs,our desinging team is very strong,since we have unique culture to motivate them,in order to meet requirement,we work closely to our customer and market!

Second:We have 10 years' experience of manufacturing varied screws, barrels and spares.We are keeping improving our production stytem day by day on the delievey,quality control,all the efforts have improved the customers satisfaction!

Third:We are located in China's screw Town-Jintang,Town in zhoushan city,near to Ningbo Port and Shanghai Port!

Finally,We assure the customer benefits,we supply best quality and competitive price,also best customer service!