mer. Bringing all points to the edge and striking them with equal blows so as to bring them down to the beveled surface, produces a uniform set.
FIG. 90. FILING A CORDWOOD SAW WHILE IT IS ON THE MANDREL, SHOWING ~~ THE POSITION OF THE FILER WORKING FROM ONE SIDE
The bevel at the front, or cutting edge, of the teeth on a cord-wood saw, as made at the factory, is about 75 deg. to the side of the saw. It is desirable to try to keep the teeth at this angle when filing. The teeth filed at this bevel, set at 75 deg., and also a method of testing the bevel by use of the T bevel, are shown in Figure 86.
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