SPINDLE EXTENDING DEVICE FOR BORINGGMILLING MACHINE

摘要

A spindle extension, especially for drilling and milling machines, is required when machining large size workpieces. In order to enable the automatic tool change also when there is mounted the spindle extension with the available tools, the inventive spindle extension is provided with a chucking clamp which possesses a chucking or clamping pin which can be engaged by the chucking clamp of the tool spindle.