Patent ID: 7627937
Filing Date: 2009-12-08
Classification: B23Q,Y10S,Y10T

Abstract:
1. A program-controlled milling and drilling machine comprising a machine column, a machining unit comprising a milling head and movable along at least one coordinate axis at the front of the machine column, a machine bed disposed in front of the machine column, a work carrier movable on the machine bed along another coordinate axis, and a pallet exchanger provided at a free end portion of the machine bed, having two spaced apart pallet holders and a rotating mechanism and a lifting mechanism on a joint load-bearing structure, wherein the load-bearing structure of the pallet exchanger is positioned at the side of the machine bed and has a dimensionally stable and sturdy transverse arm extending across the machine bed and supporting the rotating mechanism, and the lifting mechanism in the load-bearing structure is laterally arranged next to the machine bed and is arranged in a manner so as to protect against dirt by a splashboard.