Abstract
A machine tool includes a work holder, a first machiner, and a first robot. The work holder includes a table configured to support a workpiece. The first machiner includes a machining head and a plurality of linear movers. The machining head is configured to hold a first rotation tool that is configured to machine the workpiece supported by the table. The plurality of linear movers are configured to move the machining head three-dimensionally. The first robot includes a multi-joint arm that is configured to change a position and an orientation of a second rotation tool. The first robot is configured to machine the workpiece supported by the table using the second rotation tool. The work holder includes a first driver configured to turn the table about a first axis.