|BAKER bore gauges allow rapid and accurate checking
of bores for size, Ovality and taper as also wear of bores like Engine
Cylinder bores etc. in the workshop or inspection room. All bore gauges
operate on the proven principle of two diametrically opposite measuring
points, one fixed and one moving with a spring loaded centralising shoe. To
check the actual size of bore, the gauge must be set to size with a bore
master (Master Setting Ring) of known diameter which is close to the size to
be measured. Inserted into the bore, it is necessary to "rock" the gauge
slowly to locate its measuring axis to the bore shown by the point of
reversal of the indicator hand. The reading at that point is the deviation
from set normal size. A range of interchangeable extension rods allows a
single instrument to cover wide range of bore sizes.
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You can download baker gauges leaflet in PDF format here