Co-rotating twin-screw extruder

COWELL EXTRUSION CWT95-Plus

4. Main Extruder Type:

CWT95-Plus co-rotating twin-screw extruder; L/D 48

Machine Description:

*IE5 AC 250 kW motor

*Gearbox:

Precise balancing principle applied to increase torque level;
High safety factor design;
Latest steel alloy material for gears, applied with special heat treatment and
manufactured to a high level of precision;
Imported NSK bearings and sealing rings;
Special lubrication system combined with immersion and forced lubrication
solutions;
Latest generation plate heat exchanger configured for optimal cooling;
Input/output rotation speed: 1480/600 rpm;
Torque: 2x1990 N.M
Oil pump: 1.5 kW
With heat exchanger, flow meter, oil pressure gauge

*Power Transmission:

Compomac safety clutch torque limiter from Italy, with speed sensor

*Extrusion Line:

Screw diameter: 93 mm, L/D: 48:1;
Maximum screw speed: 600 rpm;
Screw configuration: modular structure, torque transmission via splines;
Screw material: W6Mo5Cr4V2, surface hardness HRC58～64;
Barrel configuration: modular structure, each barrel with a length of 4L/D;
The inner surface of the linear material is made of α101, surface hardness is HRC62-64;
Barrel No.1: Feeder for all possible components, No. 4 and No. 6 with a side feed port and a venting port.
No. 8, 9, 11 with a suction port for degassing.
The screw profile will be determined based on the requirement.

*2 side feeders for lateral feeding

*1 set of degassing adapted to the needs

Liquid ring pump, 1m3 water tank, gas and vapor recovery system

*Electrical Cabinet

Enclosure: Rittal

Heat Exchanger: Apex

Variable Frequency Drives: ABB

PLC: Siemens

Components: Schneider Electric

*Spare Parts

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One set of screw and barrel elements and one set of shafts will be delivered with the machine.

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