Twin screw extruder

Weber DS 7.22

Condition: ready for operation (used), Year of construction: 1995, operating hours: 39,000 h, functionality: fully functional, Equipment: documentation/manual, A used and functional profile line for rigid PVC-profiles, consisting of: Twin-screw extruder (parallel) Manufacturer: WEBER Type: DS 7.22 Year of manufacture: 1995 Machine no.: DS70-043 Operating hours: 39,000 hours Screw diameter: 70 mm Effective screw length: 22 x D Screw geometry: for rigid PVC profiles Torque: 4,500 Nm per screw Screw speed: max. 40 rpm, continuously adjustable Drive motor: DC low-voltage motor, thyristor-controlled Drive power: approx. 25 kW Cylinder heating/cooling zones: 5/3 (air cooling with fan) Adapter heating zone: 1 Tool heating zones: 5 Control: conventional control with digital temperature controllers Degassing: Busch rotary vane vacuum pump (1.5 kW) Output capacity, max.: 120-150 kg/h for hard PVC, depending on material Connected load: approx. 50 kW (without tool) Special accessories: Mass temperature sensor and mass pressure sensor Adapter between extruder connection and extrusion tool Used tool set for a window profile (widening), consisting of: - Extrusion tool ‘widening’, incl. heating bands - Dry calibration - Vacuum tank approx. 2 m long, with 8 slots for calibration discs - 16 calibration discs Vacuum calibration unit Manufacturer: Uniplast / Greiner Type: CAL VAK 4P Year of manufacture: 1992 Machine number: K9209590 Total length: 6500 mm Vacuum pumps: 4 x Speck vacuum pumps (4.3 kW each) Water circulation pumps: 2 x Calpeda (1.1 kW each) Caterpillar haul-off, incl. attached saw Manufacturer: Uniplast / Greiner Type: CAT PUL 2D Year of manufacture: 1992 Machine number: R 9204546 Haul-off: Effective contact length: 2000 mm Pad width: 250 mm Haul-off force, max.: approx. 25000 N Speed range: approx. max. 10 m/min. Profile saw: HM circular saw blade: Ø 450 mm Kdodpjxu U Trjfx Ag Asw Profile cross-section, max.: approx. 300 x 100 mm Tilting table Manufacturer: Ide Type: ME N 52/2 Year of manufacture: 1994 Length: 6000 mm Support width: 270 mm Note: The complet profile line was overhauled in 2020 and has only been in operation for 325 hours since then.