 Proximity sensors are frequently used to count
milled, forged and stamped parts coming off an automated tool.
Because these devices require precise
alignment, dimensional variations or a change in part position
can induce counting errors.
You can ensure more accurate counts by
installing a current switch on the machine tool motor. The
switch will output a change-of-state signal every time the
motor is loaded (the part is being machined) and unloaded (the
machining process is completed). This method is more exact,
and also eliminates the need for manual re-setting or tuning
of a position-sensitive sensor.
For maximum resolution, NK Technologies'
current-operated switches offer user-adjustable set-points
over three selectable ranges. The device's Smart LED also
provides a visual indication of motor status.
For more information, click here to see other
applications from our Applications Guide, or more detailed
application from our Tech
Tips pages.
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