Gumming Wheel

The shape of the teeth of a circular cordwood saw is shown in Figure 84. In gumming, the saw is held on the rests and the grinder is aimed at a point about one third of the distance from the points of the teeth to the center of the saw. The position of the gummer is shown in Figure 84. The operation is shown in Figures 82 and 83.

After the saw has been trued up and gummed, it should be set. There are several ways of setting a cordwood saw, the spring set and the hammer-and-anvil set being most commonly used. Since setting of a cut-off saw is done while the saw is on the arbor, the spring set is most extensively used.

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