Extruder parallel double screw barrel
1.Double screw barrel is good for PP/PVC/WPC sheet,profile,pipe,pellet...
2.Hot sale

Extruder parallel double screw barrel

twin screw & barrel/extrusion screw
Diameter	67/2mm	Min.Order	1 set
Materials	38CrMoAIA 42CrMo(JIS SCM440) 9Cr18MoV CW6Mo5Cr4V2	Discount	Available
Application	PP,PE,PS SHEET,PROFILE,PIPE	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 screw & barrel/extrusion screw :more than 2 years

Performance and specification

1)We design our brand, screw and barrel .We make sure the course of processing smoothly.

2)With more than 20 years\' experiencein 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 .

3)With suitable moulds, our screw and barrel can make high qualityPP,PE,PS SHEET,PROFILE,,

PIPE.

4)According to customer requirements, most reasonable screws and barrrels can beconfigured

to achieve optimal plasticization and logistic quality.