In-spindle type AE sensors
Grinding wheel balancers and laser sensors : Schmitt Europe Ltd.
Ideal OEM-installed acoustic emission sensor inside the bore

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External AE Sensor

In-Spindle AE Sensor

Fluid AE Sensor

Mini AE Sensor

Balance Head AE Sensor



AE Grinding Results

AE Dressing Results


The in-spindle AE sensors are non-contact and come in two formats. These include a telescopic type and spiral-cable type. The telescopic type has a slide tube to facilitate installation and it sits inside a 4mm bore within a grinding machine spindle or rotary diamond dresser unit. This configuration allows the acoustic sensor to spin with the spindle and to be in close proximity to the grinding event, giving a clear uninterrupted signal. The acoustic signal is transmitted over an air gap to a non-contact receiver at the other end of the spindle.

The spiral cable type works on the same non-contact principle but the telescopic slide tube is replaced with a spiral cable.

The in-spindle sensor is useful for OEMs manufacturing internal/ external grinding spindles or rotary diamond dressers. Schmitt are also able to provide mounting kits for end-user applications where a spindle bore is available. Mounting an AE sensor in this way gives a more direct signal and increased sensitivity.

installed ae sensor inside the spindlein spindle acoustic emission sensor

In-spindle Acoustic Emission Sensor
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