Conical Twin Screw&Barrel;-Zhejiang Huaye Plastics Machinery Co., Ltd.

Products

Brand-new Hys1 Patented Sintered Parts Super Resistant To Wear And Corrosion

HY1 sintered barrel HY1 sintered screw HY1 sintered small piece

HK1 Iron Base Bimetallic Barrel HK2 Iron Base Bimetallic Barrel HK3 Nickel Base +35% Cobalt Bimetallic Barrel HK5 Nickel Base +25% Tungsten Carbide Bimetallic Barrel HK6 Nickel Base +45% Tungsten Carbide Bimetallic Barrel HK7 Nickel Base +45% Spherical Tungsten Carbide Bimetallic Barrel

Screw For Injection Molding Machine

Halogen-Free Screw HPT1 HPT2 HPT3 HPT5 38CrMoALA+PTA

Single Screw For Extrusion Machine

Single-screw for extrusion machine

Twin Screw&Barrel; For Extrusion Machine

Parallel Twin Screw&Barrel; Conical Twin Screw&Barrel;

Screw & Barrel For Rubber Machine

Rubber Extruder Screw

Accessories Of Screw And Barrel

Head, Nozzle Hinge Pin Screw Tip Assembly (Alloy Spraying, Chrome Plating, Coating)

Tie Bars And Accessories

Plasma Nitrocarburizing and Post-Oxidation tie bar Nut Brake Block Tiebar of two-platen injection moulding machine Piston Rod

Special Screws And Barrels

High injection speed, high injection pressure optical series High-efficient Color Mixing Series PVC Special Series PET Special Series Packaging Products Series PTA Bimetallic screw PVD Coating Screw

Parameters：

Brief introduction：

Conical Twin Screw&Barrel

Basic parameters：

Product category: corotating bon-screw & barrel,

counter-rotating parallel twin-screw & barrel

Surface processing technology: nitriding, alloy spraying,

chrome plating, etc.

Nitriding hardness HV: 860-980

Straightness: 0.05mm Surface finish Ra ：Ra≤0.2

Scope of application：

It is suitable for extrusion of PVC pipes, profiles and sheet foam products.

It is suitable for extrusion of PE, PP bellows.

Composition and process：

Screw

Screw is made of high-quality 38CrMoALA or 1.8550 forging material, with quenching and tempering to HV290-320, flight surface made with nickel alloy plasma welding, alloy thickness≥1.7mm, hardness: HRC58, nitriding by NITREX process after finishing machine, nitriding depth: 0.5-0.7mm, hardness: HV860-980, grade 2 metallographic structure or above.

Barrel

The barrel is designed as “detachable”, 42CrMo barrel is quenched and tempered to hardness HB290-320, inlaid with German HPT1 alloy sleeve. The thickness of the alloy is more than 7 mm, the hardness is HRC58-62, the shell of the barrel can be used, and the inner alloy sleeve can be replaced after wear out.

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