INDUSTRIAL MONITORING INSTRUMENTATION DIVISION
PAGE 4
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operation continued . . .
The depth of the cut is determined by the perpendicularity of the surface to the axis being
measured. Remove enough material so that the entire bottom surface of the accelerometer is
in contact with the spot face. The maximum depth of cut should not exceed .040”.
The position of the center drill in the spot face tool can also be adjusted for different drill depths
to accommodate for the wall thickness and the material of the unit to be monitored.
tool maintenance
After extended use the spot face tools may wear and become dull. The tool can be sharpened
using standard sharpening techniques. Refer to your local machine shop for sharpening.
