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Equipment  NDT Technologies Inc.  Real-Time Material Properties Monitoring Powered By RheoSonic TM Technology  Ultrasonic Monitoring of Screw Status  

Ultrasonic Monitoring of Screw Status






At the pumping zone of a 30 mm twin screw extruder
Barrel wear indicator

Screw wear indicator
The varying arrival times of echo signals reflected from two flights (A and B) of a double-flighted screw during two revolutions shows clearly screw deflection during the extrusion process

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