PLN 45/28
Single-Screw Extruders
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:
The extruder features a modular design and consists of standardized units:
- High processing efficiency
- Stable and uniform output
- Low noise level
- Long service life
The extruder features a modular design and consists of standardized units:
- Frame
- Drive
- Gearbox
- Thrust bearing assembly
- Barrel
- Feeding hopper
- Electrical equipment
Screw and Barrel
- Screw diameter: 45 mm
- Screw length: 1260 mm
- Length-to-diameter ratio (L/D): 28:1
- Screw speed: 1–90 rpm
- Screw and barrel material: 38CrMoAlA nitrided steel
- Nitriding depth: 0.2–0.5 mm
- Surface roughness: Ra 0.4 μm
- Steel hardness: HRC 55–60
- Barrel processing depth: bimetallic layer thickness 0.4–0.7 mm
- Barrel heating power: 9 kW
- Heaters: cast aluminum heaters
- Temperature control: automatic temperature regulation
- Barrel heating zones: 4 pcs
- Barrel cooling: air cooling fans, 4 pcs
- Tool heating zones: 3 pcs, automatic temperature regulation
- Feed zone cooling: water cooling
- Gearbox: ZLYJ-133
- Gear ratio: 16:1
- Main motor: three-phase asynchronous motor, belt-driven to the gearbox
- Main motor shaft speed: 5–1480 rpm
- Motor power: 11 kW, motor with forced cooling
- Motor speed control: frequency inverter
- Extruder output: 25–40 kg/h (depending on processed material and operating conditions)
- Temperature controllers: ENDA
- Frequency inverter: DELTA
- Ammeters and voltmeters: Delixi
- AC contactors: ABB
- Extruder center height: 1000 mm
- Overall dimensions (L × W × H): 1915 × 894 × 1625 mm
All models:
