SwzRdYtpCov0VwM4s5i_271508178724_sd_hq.mp4

4 year ago

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ZHOUSHAN BATTEN IMPORT AND EXPORT CO.,LTD.

11 year

Product details

This figure provides a schematic representation of a simple metering screw. It is composed of three main sections; the feed section, transition section and metering section. The feed section, which is often also referred to as the conveying zone, is responsible for conveying materials (pellets, fluff and powder) forward to the transition section. The transition section is the portion of the screw where the majority of the melting takes place. The metering section, also called melt conveying or pumping zone, delivers the melt toward the discharge end of the extruder.

Process.

*Plastic melt is extruded through an annular slit die, vertically to form thin walled tube *Air is introduced in the centre of the die to blow up the tube like a balloon(IBC) *Air ring blows onto the hot film to cool it (outside and inside the tube) *The tube passes through nip rolls where is flattened * Collapsed tube is taken back down the extrusion tower via more idler rollers *On winder the tube or film is wound into rolls

Technical Specification
Type	Single Extruder Screw Barrel
MOQ	1 set (1 pc of screw and 1 pc of barrel, including barrel flange)
Design Details	Screw I TYPE:nitirding ones II TYPE:bimetallic ones III TYPE:chrome plating ones Barrel I TYPE:nitriding ones II TYPE:bimetallic ones
Accessories	Two flanges to connecting gearbox & die head
Technical Specification	Material:High quality 38CrMoAlA Process:Advanced nitriding & bimetallic process Hardness After Hardening & Tempering:HB280-320 Nitrided Hardness:HV900-1000 Nitrided Case Depth:0.45-0.8mm Nitrided Brittleness:Less than Grade 2 Surface Roughness:Ra 0.4 Screw Straightness:0.015mm Alloy Hardness:HRC 50-65 Alloy Depth:0.8-2.0mm

Product Use

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Suppliers

ZHOUSHAN BATTEN IMPORT AND EXPORT CO.,LTD.

Audited supplier

11 year

Main Product: Screw Barrel , Conical Twin Screw Barrel, Plastic Extruder Machine, Parallel Twin Screw Barrel, Injection Screw Barrel, Bimetallic Screw Barrel

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