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PLN 35/25
Single-Screw Extruders
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Single-screw extruders of the PLN series are designed for processing soft PVC and TPE and are used in the production of:
  • seals
  • harpoon profiles
  • inserts
  • irrigation hoses
  • furniture edging
  • various profile products
Thanks to the improved screw and barrel design, the extruders provide:
  • High processing efficiency
  • Stable and uniform output
  • Low noise level
  • Long service life
The equipment is equipped with a high-performance gearbox designed for long-term continuous operation.
The extruder features a modular design and consists of standardized units:
  • Frame
  • Drive
  • Gearbox
  • Thrust bearing assembly
  • Barrel
  • Feeding hopper
  • Electrical equipment
All components are made as separate replaceable modules, which simplifies maintenance and repair.
Screw and Barrel
  • Screw diameter: 35 mm
  • Screw length: 840 mm
  • Length-to-diameter ratio (L/D): 25:1
  • Screw speed: 1–75 rpm
  • Barrel material: 38CrMoAlA nitrided steel, hardness HV 950–1100, nitrided layer thickness 0.2–0.4 mm
  • Screw material: 38CrMoAlA steel with anti-corrosion coating, nitrided layer thickness 0.4–0.5 mm, nitriding depth 0.3–0.5 mm
  • Surface roughness: Ra 0.4 μm
  • Steel hardness: HRC 55–62
  • Barrel processing depth: bimetallic layer thickness 0.4 mm
  • Barrel heating power: 3.6 kW
  • Heaters: cast aluminum heaters in stainless steel housings
  • Temperature control: automatic temperature regulation
  • Barrel heating zones: 3 pcs
  • Tool heating zones: 2 pcs
  • Barrel cooling: air cooling fans, 3 pcs
  • Fan power: 0.06 kW × 3 pcs
  • Feed zone cooling: water cooling
Gearbox
  • Model: ZLYJ-112
  • Gear ratio: 16:1
  • Gearbox lubrication: forced lubrication
  • Gears and shafts made of high-strength steel, hardness HRC 54–62
  • Gearbox shaft material: 40Cr steel
Motor and Electrical Systems
  • Main motor: three-phase asynchronous motor, belt-driven to the gearbox
  • Main motor shaft speed: 5–1480 rpm
  • Motor power: 5.5 kW
  • Motor speed control: frequency inverter DELTA
  • Temperature controllers: ENDA
  • Ammeters and voltmeters: Delixi
  • AC contactors: ABB
  • Extruder center height: 1000 mm
  • Power supply: 3-phase, 380 V, 50 Hz
  • Extruder output: 5–10 kg/hour
All models:
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