Ordinary milling machine milling keyway how to knife,
And then raise the milling cutter to shake the cutter to the center of the workpiece; the distance of the rocking = the radius of the keyway cutter + the radius of the workpiece.
Turn the dial on the handle of the milling machine to zero.
Milling keyway on the first, then the first side of the workpiece with a thin piece of paper with oil, and then the milling machine spindle running up, with a keyway cutter attached to the side of the paper sheet, when the cutter just touched the paper,
