PURPOSE: To provide an eyeglass lens edge part working machine in which grooves or notches can be prepared at peripheral edges of all kinds of an eyeglass lens, a lens angular edge part can be chamfered and a working tool or a chamfering tool preparing the grooves or notches are capable of performing working in accordance with a spatial curve at the peripheral edge of the lens.

CONSTITUTION: A working tool 22 forming grooves or notches at the peripheral edge of a lens and a tool 25 chamfering an angular edge part of a lens contour 13 are arranged in a radial direction of the lens. This working machine is provided with a device controlling and guiding these tools in a radial direction and an axial direction in accordance with the lens contour 13 and the spatial curve and freely guiding the tools in an axial direction.