Twin Parallel Screw And Barrel

Parallel twin screw and barrel is one of important screw barrel. It have free drying, save energy, high output, extruder speed fast, producing film more brighter than ordinary screw and barrel and so on excellent characters.
Size: Screw diameter; 20-500mm
Maximum screw length: 10000mm
Barrel inner bore diameter: ø 500mm
Material 38CrMoAlA
40CrMo
42CrMo
High quality alloy steel
Technology: Nitriding treatment
Alloy coating sparying
Heating treatment
Screw fully hardening
Specification: Depth of nitrition layer 0.5-0.8mm
Nitriding treatment, surface hardness: HV≥ 900-1000
Fragility of nitrition: Less than grade 1
Surface roughtness: Ra 0.4um
Surface of hardness of nitrated Cr coating layer ≥ 950HV
Thickness of Cr coating layer: 0.03-0.08mm
Used for granulation, PP, PE, PA, PC, ABS, AS etc
We can manufacture various kinds of screw barrels according to the customers requirementWhat is the packaging?
1) Wooden case package
2) Plastic film package
3) Suitable to transportation
4) As buyer request
5) One piece into one packagePayment: T/T, Western union, moneyGram and so on.
Office:1Our Strength:We have an experience of more than20 years of manufacturing and designing Plastic machines, varied Screws and Barrels and spares. We concentrate on improving quality, updating design ,enhancing service and after service .
2Our products:Thecompanyisspecializedinmakingscrewbarrel,
gearboxzlyjseries,tdie,filterandrecycling machine.Ithasbecome
oneofthelargestsupplierofmainpartsinRuiancitywhichis
thebasementofplasticmachines .
3Location advantage:located in -Ruian Town in Wenzhou City, near to Ningbo Port and Shanghai Port .
4Market areas:global sales network reaching South America, Eastern Europe, Southeast Asia, Africa, Oceania and the Middle East etc. welcome to visit our company .FAQ:1. Q: What are we?
A: We are factory, with license of import and export goods by ourself.2. Q; How to get to us?
A: The nearest airport is Wenzhou airport, and the nearest train station is Ruian station.3. Q: How do we control the quality of screw barrel?
A: We have professional engineer and staffs to check every detail and dimensions from the raw materail, nitrding treatment and super grinding. We do the crucial nitriding treatment by ourself, we have nitriding ovens in depth8000mm, and do nitriding treatment in 8 days and nights, which greatly ensure the hardness of screw barrel.Welcome to visit our company! Any question pls feel free to contact us. Waiting for your inquiries! !Product The best single screw barrel for extruder in ruianMaterial38 CrMoAlA(JIS SACM645); 42 CrMo(JIS SCM440)Hardness of nitrogen treatmentHV900°~1100°Tempering hardenessHB240 ° ~280°Depth of nitrogen layer:0.6~0.8mmNitrided Brittlenessabove 1 stageSurface RoughnessRa0.4 umScrew straightness0.015mmHardess of surface chromium-plating after NitridingHV≥950HVChromium plating Depth0.025-0.085mmAlloy Depth2.5mm-4mmAlloy hardnessHRC62°~72°Heating-treatmentnitrogen ,electroplated hard -chrome finish,high frequency quenching