OPERATION Blade Height Scale
OPERATION doc110819 4-32
4
4.25 Blade Height Scale
See Figure 4-24. The blade height scale is mounted on the vertical mast. It includes:
a blade height indicator,
a centimeter scale (or quarter inch scale).
Blade Height Indicator
Readings should be taken with eyes level with the indicator. This will allow to avoid the parallax error
(different scale readings depending on the angle of vision). The reading is correct when the upper
edge of the indicator is in line with a mark on the scale.
Scale
The blade height indicator shows how many centimeters the bottom of the blade is above the bed of
the mill. If you know the height of your blade at each cut, you can determine the thickness of lumber
you are sawing.
Example: You want to cut 25 mm random width boards from a log. Position the blade for the first cut.
Move the saw head to an even measurement on the scale. Make a trim cut. Return the saw head for
the second cut and lower it 27 mm below the original measurement. (The extra 2 mm allows for saw
kerf and shrinkage of the lumber.)
FIG. 4-24
Scale
Blade Height
Indicator
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