Control System for Wheel Dress Process

The SBS ExactDress wheel dress process control card from Schmitt Industries is designed to reduce dressing time and increase wheel life for both profiled and standard grinding wheels.

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The SBS ExactDress wheel dress process control card from Schmitt Industries is designed to reduce dressing time and increase wheel life for both profiled and standard grinding wheels. The control card uses SBS AEMS acoustic sensor technology to monitor the high frequency signals generated on the grinding machine during the dressing process. It compares the current AE process signal of a wheel dress to a stored reference waveform of a known good dress to determine when the dressing process has been successfully completed.
 
To set up the SBS process control card, the operator dresses a wheel to teach the system the AE reference waveform of a successful dressing process. The system maps the duration of the process and breaks it into time slices or zones indicated by a bar graph on screen. During operation, the system displays any of the zones in the dressing process that are not complete and informs the CNC control when the entire dress process has completed successfully.
 
The system includes gap and crash control, and can detect and report an abnormal contact within milliseconds, the company says. Initial contact between the wheel and the dressing tool can be detected so that the machine control can stop wheel in-feed without operator intervention, reducing cycle time.

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