PERFECCIONAMIENTOS EN APARATOS PARA EL CAMBIO AUTOMATICO DE HERRAMIENTAS EN MAQUINAS-HERRAMIENTAS.

摘要

In an automatic tool change apparatus, numbers of tools stored in respective tool holding devices mounted on a magazine and held in a spindle are identifiable whether the tools are large or small ones. A combination of a tool held in the spindle and a tool commanded by NC data is discriminated to selectively perform a normal or special cycle of a tool change operation.