Model:TWPA-032
Twin parallel screw barrel | ||||
Diameter | 75mm-90mm | Min.Order | 1 set | |
Materials | 38CrMoAIA 42CrMo(JIS SCM440) 9Cr18MoV CW6Mo5Cr4V2 SKD61 | Discount | Available | |
Application | PVC ,UPVC,PPR SHEET,PIPE,PROFILE | Payment Term | T/T, L/C | |
Technical Process | 1.Rough Machining 2.Quenching and Tempering 3.Finish Machining 4.Nitriding 5.Spraying and welding with alloy power 6.Screw polishing | Technological Parameter | Roughness | Ra 0.4um |
Hardness of Quenching and Tempering | HB 240-280 | |||
Depth of Nitride Layer | 0.5~0.8mm | |||
Hardness of Nitride | HV 900-1020 | |||
Alignment of Screw | 0.015mm | |||
Packing | Wood Case | Port Departure | Ningbo Port | |
Guarantee | twin parallel screw barrel :more than 2 years | |||
Performance and specification for bimetallic twin parallel screw barrel
1)We design our brand, screw and barrel .We make sure the course of processing
smoothly.
2)With more than 10 years' experience in plastic machinery,we have a well quality
control system.Screws are processed by high-precision special NC screw milling
machines to ensure high consistency extruding performance. We try our best to
lower the cost of your budget and supply high quality screw and barrel .The special
design of distribution cainet enlarges thrust bearing and adopts original bearings,
guaranteeing the long service life and the bearing of larger extrusion capacity.
3)With suitable moulds, our screw and barrel can make high quality PPR,PVC,
UPVC.SHEET,PIPE,PROFILE.
4)According to customer requirements , most reasonable screws and barrrels
can be configured to achieve optimal plasticization and logistic quality.




