Guide for Grinding a Plane Iron
When a plane iron has been sharpened a number of times, it often becomes so out of square that the edge cannot be made parallel with the bottom of the plane block, even by using the lateral adjustment. Where this happens, the plane iron must be reground. If an emery wheel mounted in a polishing head or lathe is at hand, this can be easily accomplished. Loosen the plane-iron cap and screw it down at right angles to the plane iron, also reverse the tool rest as shown in the sketch. In this way the work can be done better and more quickly than by the usual method.—Contributed by L. S. Uphoff, Schenectady, N. Y.
The Plane-Iron Cap Turned at Right Angles, Provides a Guide to Grind the Edge Straight