€Material & Processes
Alloy-steel of High-quality
1)38CrMoAlA
2)42CrMo
3)9Cr18MoV
4)CW6Mo5Cr4V2
5)Quality Duplex Stainless Steels
6)GH 113
7)Quality Powder Metallurgy Raw Materials
8)Cold/Thermal Spray Hard Metal process
9)Advanced nitriding Process
10)Corrosion & Abrasion Resistance Bimetal Spraying Process
€ technology Specification
Screw diameter:Φ15mm-Φ360mmL/D=15-56
Alloy-steel of High-quality
1)38CrMoAlA
2)42CrMo
3)9Cr18MoV
4)CW6Mo5Cr4V2
5)Quality Duplex Stainless Steels
6)GH 113
7)Quality Powder Metallurgy Raw Materials
8)Cold/Thermal Spray Hard Metal process
9)Advanced nitriding Process
10)Corrosion & Abrasion Resistance Bimetal Spraying Process
€ technology Specification
1)Hardness After Hardening & Tempering:HB240-290
2)Hardness of nitride layer:HV850-1000
3)Nitrided Case Depth:0.45-0.7mm
4)Nitrided Brittleness:Less Than Grade 2
5)Surface Roughness:Ra0.4
6)Screw Straihgtness:0.015mm
7)Surface Chromium-Plating's Hardness After Nitriding:≥900HB
8)Chrominm-plating Depth:0.05-0.10mm
9)Alloy Hardness:HRC50-65
10)Alloy Depth:0.8-2.0mm
€Conical twin screw &barrel
Φ35/75,Φ37/75,Φ45/90,Φ45/97,Φ50/105,Φ51/105,Φ55/105,Φ55/110,Φ55/120,Φ58/125,Φ60/115,Φ65/125,
Φ65/120,Φ65/132,Φ70/140,Φ75/150,Φ80/143,Φ80/156,Φ92/188.
6)Screw Straihgtness:0.015mm
7)Surface Chromium-Plating's Hardness After Nitriding:≥900HB
8)Chrominm-plating Depth:0.05-0.10mm
9)Alloy Hardness:HRC50-65
10)Alloy Depth:0.8-2.0mm
€Conical twin screw &barrel
Φ35/75,Φ37/75,Φ45/90,Φ45/97,Φ50/105,Φ51/105,Φ55/105,Φ55/110,Φ55/120,Φ58/125,Φ60/115,Φ65/125,
Φ65/120,Φ65/132,Φ70/140,Φ75/150,Φ80/143,Φ80/156,Φ92/188.
€The foreign material we used as following
*Germanysteel, GH113 ,2250 ,2842 ,1.8509 ,1.442 ,1.6582 ,1.6523 ,1.2080,1.4542,
*USAsteel, P20,420,L6,H13,W110,D3,A2,D6,O1,S1,M35,8620,3115,K52440
*Swedensteel, 718S,718H,S136,S136H,STAVAX,ASP-23,ASP-30
*AustraliaSteel, M202,M300,W302,K460,W300,K900,K100,W321
*Hardnesssteel, YG6X,YG 6A,YG 6,YG8N,YG8,YG8C,YG11C,YG 15,YT5,YT14,YT30
*JapanSteel, SKT 4,YXM 4,YXM 42,SNC 815,SK -3,SKS 3,and etc.
*Swedensteel, 718S,718H,S136,S136H,STAVAX,ASP-23,ASP-30
*AustraliaSteel, M202,M300,W302,K460,W300,K900,K100,W321
*Hardnesssteel, YG6X,YG 6A,YG 6,YG8N,YG8,YG8C,YG11C,YG 15,YT5,YT14,YT30
*JapanSteel, SKT 4,YXM 4,YXM 42,SNC 815,SK -3,SKS 3,and etc.
Screw diameter:Φ15mm-Φ360mmL/D=15-56
Length of screw and barrel/cylinder:8000mm
According to different material and plastic products to design different screw structure ,compress rate and L/D!
According to different material and plastic products to design different Barrel with exhaust system and IKV force load system!
As per customer's demand,we can also supply below:
PVC/PE Film Blowing Screw; Blow Molding Screw; PS/PE/PP/ABS Sheet Extrusion Screw; PE Aluminum Plate;PPR Pipe Screw;EVA Extrusion Screw;HDPE High efficiency Screw;PET Straps Screw;XPS/EPE Foamed Screw;Granulation Screw,Vented single screw etc.
Technical Parameter | |
Base Material | 1)38CrMoAlA(JIS SACM645);2)Cr12MOV(JISSKD-11) ; 3)4Cr5MoSiV1(JIS SKD-61) ;4)42CrMo(AISI4140) |
Bimetallic Alloy Materials | 1)Fe-based alloy2)Ni-based alloy/Deloroalloy 3)Co-based alloy4)NiCo-based alloy 5)Tungsten carbide/Wolframcarbide |
Double-alloylevel | Level A - containing Tungsten of40% Level B - containing tungsten of 25% Level C - containing tungsten of15% |
Surface Treatment | Heat Treatment High FrequencyTreatment Nitriding treatment(120Hours): Depth of Nitrided Layer: 0.5-0.8mm Hardness of Nitrided Layer: 900-1020Hv(HRC56°-65°) HardChrome Plating treatment: Thickness of Hard Chrome Plating Layer:0.05-0.10mm Hardness ofHard Chrome Plating Layer: ≥950HV Nickel alloyplating.treatment: Bimetallic Barrel/Cylinder: Centrifugal Casting(Inlay Alloy) BimetallicScrew: Plasma Alloy Coating Spraying Depth of Bimetallic Layer: >2mm Hardness of Bimetallic Layer: HRC55°-72° Spraying corrosion wear-resisting dual metallayers |
Basic information | Roughness of thesurface:Ra0.4um Linearity of the screw: ≤0.015mm Linear axis limit:≤0.02mm Hardness afterHardening & Tempering: HB240-280 Fragility ofNitration:≤Twoclass |
Material Application | 1)GeneralPlastics 2)ABS,PA,PC,PE,PET,PP,PS,EVA,PU,PVC,U-PVC,etc 3)PA + GF(GlassFiber) 4)Flame-resistant Reinforced Plastics 5)Modified EngineeringPlastics 6)All kinds of Mixed Recycled Material(in Scrap or Granule), PVC +30% CaCo3, etc |
conical barrels and screws
€ Quality Certificate:
€ Quality Certificate:
•100%Quanlity Inspection
As the conical barrels and screws 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 strictlyas 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!
€ What is ouradvantage
First one:Cretive in designs,our designing team is very strong,since we have unique culture to motivate them,in order to meetrequirement,we work closelyto our customer and market!
Second one:We have over 10 years' experience of manufacturing varied screws, barrels and accessories.We are keeping improving our production stytem day by day on the delievey,quality control,all the efforts have improved the customers satisfaction!
Third one: advantageous geographical position .We are located in China's screw Town-Jintang,Town which is in zhoushan city,near to Ningbo Port and Shanghai Port!
Products packing
Our Certificate(ISO & SGS)
Great Service is Our Mission
High Quality is Our Obligation
Customer First,ContactUs Now!