Berstroff Additive Feeding Extruder

Berstroff Additive Feeding Extruder

  • Injecting liquid additives into plastic extruders .10.06.2004· A method of extruding plastic, comprising: feeding a plastic material into an extruder; driving said plastic material through an extruder barrel at a selected rate, said extruder barrel including a feeding section, a phase change section in which said plastic material undergoes a phase change from solid to liquid, and a mixing section; feeding a selected amount of liquid additive per unit of ...

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USA - Crammer feeder for extruder - .

USA US151467A USA USA US A US A US A US 151467 A US151467 A US 151467A US A US A US A US A US A US A Authority US United States Prior art keywords hopper barrel extruder auger blades Prior art date Legal status (The legal status is an assumption and is not a legal .

Buy and Sell Used Twin Screw CoRotate .

Used- Berstorff Twin Screw Extruder, Model ZE40A x 38D. Used- Berstorff Twin Screw Extruder, Model ZE40A x 38D. Co-rotating screw design, 38:1 L/D Ratio, vented barrel, electrically heated, water cooled, 400 rpm screw speed. Driven by a 50 hp dc motor 1750/2000 rpm 480 volt. Unit includes Steer Model SF-40 twin screw side feeder.

LDPE extruder / single-screw - Krauss-Maffei .Krauss Maffei Berstorff's Single-Screw Extruders are utilized as melt-fed discharge extruders, solving various functions relating to integration of standard additives for LDPE and copolymers with downstream pelletizing. These extruders are also used as pumps that build up the needed pressure levels for pelletizing applications.Used Compounding Extruder for sale - .12 x 30 mm screw extruder/compounder type RE 3 Co-rotating, 32 LD very good for technical high filled compounds incl. 2 x vacuum stuffer 1 x side feeding extruder for additives Drive 130 kW materials: PC,PA,PET,PS,ABS,PE,PP Compounds Capacity 400 kg/h Optional: lᐳ oss-in-weight blender ᐳ Strand-pelletzizing or ᐳ Waterring-pelletizing or ᐳ underwater - pelletizing equipment ex our ...

LDPE extruder / single-screw - Krauss-Maffei .Krauss Maffei Berstorff's Single-Screw Extruders are utilized as melt-fed discharge extruders, solving various functions relating to integration of standard additives for LDPE and copolymers with downstream pelletizing. These extruders are also used as pumps that build up the needed pressure levels for pelletizing applications.

Injecting liquid additives into plastic extruders - .· A method of extruding plastic, comprising: feeding a plastic material into an extruder; driving said plastic material through an extruder barrel at a selected rate, said extruder barrel including a feeding section, a phase change section in which said plastic material undergoes a phase change from solid to liquid, and a mixing section; feeding a selected amount of liquid additive per unit of ...

EXTRUDER - TWIN SCREW | Plastic Machinery | .Twin screw extruders are used for compounding, when special colors or different properties need to be added to the plastic materials. This type of plastic extrusion machinery allows the mixing of different materials in order to create a certain color or property of the plastics.

Cascade Compounding Line | Kunststoffe

Then a pump doses the melt into the second conventional compounding extruder, which besides gravimetric dosing units for the components, also has side-feeding devices and a further degassing unit. Thus, all the ancillary units are present for metering fillers and reinforcing agents, through additives and pigments, but also material, and thus to manufacturing individual compounds.Long-Fiber Thermoplastics Extend Their Reach : .The in-line process uses Berstorff's 90-mm ZE90A corotating twin-screw extruder to melt and degas the PP and then blend it with glass fibers. Mounted over the middle of the extruder is a pair of counter-rotating rolls that pull continuous rovings into the extruder while also impregnating the glass with a small amount of melt diverted from the main melt stream (PT, Aug. '01, p. 15).Screw Extruder - an overview | ScienceDirect TopicsAdditives, other resins, reinforcements, etc. can be added to the extruder melt at several downstream locations by either gravity feeding or with a side feed extruder. Liquid additives are introduced downstream with the aid of a liquid feed pump and liquid injection system.USA - Scraper blades for extruder - .Angled scraper blades provided on the end of a screw shaft of an extruder provide thrust for propelling polymer toward the die opening of the extruder. The scraper blades help prevent trapping of polymer between the shaft and the die plate of the extruder, which trapping can lead to scorching, burning or break down of the polymer.

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