Unmanned transfer system for transferring works to machining tools

摘要

An unmanned transfer system for transferring necessary materials such as works or tools between the racks of an automatic warehouse and machining tools. The unmanned transfer system includes a plurality of machining tools which are arranged along the racks stored with the works to be supplied to the machining tools. Further included is a stacker crane which is adapted to run between the racks and the machining tools. A plurality of auto-pallet changers are interposed between the stacker crane and the machining tools for automatically transferring the works between the stacker crane and the machining tools.