conical screw barrel/conical screw barrel for WPC extruder/screw barrel

Our counter rotating conical twin screw have following features :  Conical twin screw machined on CNC"WMW" Germany make thread milling machines by simulation software for better performance. Conical twin screw and barrel are specially designed for high calcium loading. compact&reliable gearbox designed for high output at low screw speed and less power consumption. Two piece barrel construction for economical replacement can be provided. Bi-metallic screw&barrel can be provided for two-three times more lifespan than nitrided screw&barrel.  Features: Easy operation Optimum performance Durable Low power consumption Corrosion/wear resistance Product Appliance:   Various high glass fiber, mineral fiber and PPA, PPS, PA6T, LCP,VO fire protection, ferrous power, magnetic powder and etc. Meanwhile, Used for PVC + 30% CaCo3, recycled plastic material.    

Conical Twin Screw Barrel/Technical parameter:
Hardness of Nitriding	HV960~1060
Deepness of Nitriding Layer	0.5~0.8mm
Nitriding Brittleness	0.045mm
Screw Alignment	0.015mm
Nitriding Brittleness	≤Grade 1
Thickness of Chrome Plating Coating	0.03~0.08mm
Quenching and Tempering Hardness	HB240~280
Hardness of Chrome Plating Coating after Nitriding	≥980HV
Deepness of Bimetallic Alloy	1.5~3.5mm
Hardness of Bimetallic Alloy	HRC55-62
Thickness of Tungsten Carbide Layer	1.0~2.5mm
Hardness of Tungsten Carbide Layer	HRC58-70
Deepness of Titanizing Layer	0.05~0.10mm

  We can make any specification of extruder screw barrel and injection screw barrel for Cincinnati, KRAUSS-MAFFEI, Battenfeld, Haitian, Demag, Engle, Nigro bossi, arburg, NPM, BOY, Husky, Fanuc, billion, Sumitomo, Nippon Steel, Toshiba, Nissei, Mitsubishi and etc. We also can supply all types of screw and barrel according to your different requirements     Welcome to contact us for details!     * Hot-line :  +86-13884319000     * Skype   :  oushengda4    * Whatsapp / Wechat:   +86-13884319000

     Lucy will be honored to answer your questions in 24 hours.