The theoretical difference between the radial measurement of the gauge cut and the MTBM shield; equal to (Gauge Cut OD – MTBM OD)/2. Actual overcut is reduced as the gauge cutter is worn and because of the differential cut.
The theoretical difference between the radial measurement of the gauge cut and the MTBM shield; equal to (Gauge Cut OD – MTBM OD)/2. Actual overcut is reduced as the gauge cutter is worn and because of the differential cut.