Project of the month January 2018:Single-screw venting extruder

The task:

Single-screw extruder for processing PMMA / PC with a venting unit, screen changer and melt pump.

The solution:

Single-screw extruder ME 38/5x33D-E for processing PMMA and PC and designed for continuous operation temperatures up to 350°C.


Cylinder venting	Hopper displacement device

Single-screw extruder ME 38/5x33D-E

Asynchronous motor 4.3 kW, water-cooled, speed up to 70 rpm
Special screw, plasma-nitrided for processing PMMA
Melt pressure and melt temperature measurement; Hopper volume 12 litres
Extruder control mini ME Control /4; TFT colour screen
(10.1” touchscreen); Synchronous operation for pump, extruder and haul-off
Smooth-bore cylinder, bimetal
Energy-efficient heating / cooling combination with ceramic heaters, integrated insulation and convection flap system
Melt pump, throughput PMMA/PC approx. 20 kg/h, control, monitoring and pump pre-pressure regulation integrated in mini ME Control/4
Venting unit, vacuum pump, galvanized separating tank
Manual screen changer, discontinuous