Extruder - Twin-screw micro-compounder + Pulling system for fibres

Responsible: Rui Igreja

 

Technical Specifications:
- Abrasion resistant barrel (hardness 60 HRc), coating hardness 2000 Vickers
- Barrel and screws chemically resistant between pH 0 – 14
- Batch volume: 5 ml (Vari-BatchTM 2 or 5 ml)
- Vertical barrel, fluid-tight
- Heated by 8 thermo cartridges and controlled by 7 thermo couples (temperature gradient)
- Temperature control: in the melt and 2x3 barrel heating zones
- Detachable conical screws, fully intermeshing (Hardness 54 HRc), coating hardness: 1000 Vickers
- Maximum operating temperature: 400 °C (optionally 450 °C)
- Easy to clean with dedicated cleaning cycle
- Heating time (from 20 to 240 °C): 10 min
- Cooling time (from 240 to 80 °C): with cooling water in less than 10 min, with air in less than 35 min
- Acquisition of rheological data (screw torque in melt, melt viscosity, shear rate and shear stress)
- Maximum vertical force: 5 kN
- Screw speed: continuously variable 1 - 400 RPM
- Hopper volume: 5 ml
- Supply voltage: 208 - 240 V AC, others on request
- Main drive: DC controlled, 550 Watt
- Computer control via: USB port
- Maximum torque: 6 Nm per screw
- Overall dimensions (h x b x d): 80 x