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Bestech launches non-contact inspection for extruder bores

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article image The idiamCONTROL device detects wear in extruder bores by non-contact inspection
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Bestech Australia introduces the idiamCONTROL from Micro-Epsilon designed for non-contact inspection of extruder bores. The device allows precise planning of maintenance intervals or replacement intervals of individual extruder housing parts.

Continuous wear occurs in the bores of compound extrusion lines caused by abrasive raw materials, temperature and pressure. Exact maintenance intervals are therefore necessary to prevent expensive failure.

The idiamCONTROL available from Bestech Australia detects the wear in the bores by non-contact internal inspection. Integrated capacitive sensors arranged opposite to each other in the sensor unit measure the diameter of the bore. By turning the cross rollers 40° clockwise or counter-clockwise, the bore can be measured in six tracks altogether. For exact positioning, the sensor is centred on both ends by spring-loaded rollers. Several metal pins prevent the measuring cylinder from turning.

The new controller unit equipped with a touchscreen displays the measuring results graphically. The measuring signal is shown as a diameter over the complete bore length and any tolerance deviations are immediately displayed.

The extruder wear is calculated by comparing the individual diameter values of several test cycles. A USB interface is provided for the data output while a calibration control feature checks the functionality of the measuring system.

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