Machine tool and method for measuring a workpiece

摘要

The present disclosure relates to a machine tool, such as a grinding machine, and to a method for measuring a workpiece in a machine tool. The machine tool may comprise a workpiece mount (14), a tool unit (28), a measuring device (48) and a control device (56) that is connectable to the measuring device (48) and the tool unit (28), wherein the measuring device (48) is received at the tool unit (28) and comprises at least one toggle measurement head (66; 68), wherein the at least one toggle measurement head (66; 68) is received at a support piece (80) that provides a plurality of defined predetermined locations for the at least one toggle measurement head (66; 68), and wherein the control device (56) is arranged to detect signals that are triggered by the at least one toggle measurement head (66; 68) when touching a workpiece (96), and to determine on the basis of an actual location of the tool unit (28) an actual position of the at least one toggle measurement head (66; 68).

主权项

1. A machine tool comprising:
a workpiece mount comprising at least one workpiece holder for receiving a workpiece, a tool unit comprising a tool spindle for receiving and for driving a tool, a modular measuring device which is received at the tool unit, and which comprises a support piece and at least one toggle measurement head, a control device which connects the measuring device and the tool unit,
wherein the tool unit is movable along at least one feed axis with respect to the workpiece,wherein the at least one toggle measurement head is arranged at the support piece,wherein the support piece provides a plurality of defined predetermined locations for the at least one toggle measurement head, andwherein the control device is further configured to;detect signals that are triggered by the at least one toggle measurement head when touching the workpiece, anddetermine, on the basis of an actual location of the tool unit, an actual position of the at least one toggle measurement head.