| 摘要 |
PROBLEM TO BE SOLVED: To provide a machine tool capable of increasing the speed of circulation of an endless coupling for holding a tool to be mounted on a machining spindle section for machining a workpiece.SOLUTION: A tool magazine circulates a chain section 42 formed by endlessly connecting a plurality of moving bodies 43 for holding a tool holder 11 (tool), along a predetermined path formed by a rail 41c. The tool held by one of the plurality of moving bodies 43 is mounted on a spindle head. The rail 41c is provided endlessly. The plurality of moving bodies 43 respectively have internal rollers 47 and 47 and external rollers 48 and 48 rotating along the rail 41c. Each roller rotates along the rail 41c. The plurality of moving bodies 43 move along the rail 41c. |
