A DEVICE AND A METHOD FOR DETERMINING A DISTANCE TO A SURFACE OF A WORKPIECE AND AN ARRANGEMENT AND A METHOD FOR EFFECTING A WORKPIECE.

摘要

The invention relates to a device (1) for determining a distance to a surface of a workpiece (100), wherein the device (1) comprises a means (9) for emitting an energy beam towards the surface. The device comprises a contact member (11) with a first surface (12) configured to contact the surface of the workpiece (100) and a second surface (13) facing the energy beam emitting means. The energy beam emitting means (9) is arranged for directing the energy beam to the second surface (13) of the contact member (11).